Question: 100
Which of the following can a user utilize to share their mobile phone connection with their laptop?
A. IR
B. NFC
C. Wi-Fi Direct
D. Tethering
Answer: D
Explanation:
Tethering refers to sharing a mobile phone’s internet connection with another device, such as a laptop, either through USB, Bluetooth, or Wi-Fi. Tethering effectively turns the mobile phone into a personal hotspot for internet access.
Option A (IR): Incorrect. Infrared (IR) is used for short-range communication, such as remote controls, but it does not support internet sharing.
Option B (NFC): Incorrect. Near-field communication (NFC) is used for close-proximity data transfer, not for internet sharing.
Option C (Wi-Fi Direct): Incorrect. Wi-Fi Direct enables device-to-device communication but does not inherently provide internet sharing.
Question: 101
A technician is having issues replacing a laptop’s wireless card because the cover seems to be stuck. Which of the following should the technician do next to troubleshoot this issue?
A. Check the product manual for the procedure
B. Use a pry tool to force the cover open
C. Insert the wireless card into the M.2 slot
D. Try to move the cover by sliding it in all directions.
Answer: A
Explanation:
A . Check the product manual for the procedure:
When hardware is not easily accessible, always consult the product manual for proper disassembly procedures. Forcing the cover can damage the laptop or void the warranty.
Product manuals often provide step-by-step instructions for safely accessing internal components.
Incorrect Options:
B . Use a pry tool to force the cover open: Forcing the cover can cause physical damage to the device.
C . Insert the wireless card into the M.2 slot: This step cannot be performed until the cover is properly removed.
D . Try to move the cover by sliding it in all directions: Randomly sliding the cover can cause damage if the correct removal method is not followed.
Key Takeaway: Always refer to the product manual to ensure safe and proper disassembly of laptop components.
Question: 102
A technician needs to confirm that desktop PCs can be deployed to a global, remote workforce.
Which of the following specifications should the technician validate?
- Input voltage
- BIOS language support
- Supply chain security
- Power efficiency
Answer: A
Explanation:
Input voltage must be validated to ensure desktop PCs can operate in different regions with varying
power standards (e.g., 110V in North America vs. 220V in Europe). Failure to verify input voltage
compatibility can lead to hardware damage or operational issues.
Option B (BIOS language support): Incorrect. While language support may be helpful, it is not critical for hardware deployment across regions.
Option C (Supply chain security): Incorrect. This refers to ensuring secure sourcing of components but does not directly impact deployment.
Option D (Power efficiency): Incorrect. Power efficiency may be important for energy savings but is not relevant to regional compatibility.
Question: 103
A technician needs to troubleshoot a user’s smartphone that will not connect to its wireless provider’s service. Which of the following should the technician check first?
- SIM card
- Network settings
- Subscription plan
- Bluetooth connection
Answer: C
Question: 104
A user routinely connects and disconnects multiple devices from a laptop. Which of the following options should a technician recommend to facilitate ease of user mobility?
- Serial interfaces
- Docking station
- Network switch
- USB hub
Answer: B
Explanation:
Reasoning: A docking station is designed to provide a central connection point for multiple peripherals, such as monitors, keyboards, mice, and network cables. It allows users to quickly connect or disconnect all devices by simply docking or undocking their laptop, improving mobility and reducing wear and tear on individual ports.
Why the Other Options Are Incorrect:
A . Serial interfaces:
Serial interfaces are outdated and rarely used in modern laptops or peripherals. They are not practical for facilitating the connection of multiple devices.
C . Network switch: A network switch is used to connect multiple devices to a network, but it does not simplify the connection of peripherals to a laptop.
D . USB hub: A USB hub can extend the number of available USB ports but lacks the full functionality of a docking station, such as video output or Ethernet connectivity.
Practical Example:
A user with a laptop, external monitors, keyboard, and mouse can use a docking station to connect all devices with a single action, instead of plugging in each device manually.
Question: 105
Which of the following best characterizes the use of a virtual machine as a sandbox?
- Run an application on multiple workstations without installation.
- Explore how an application behaves in a different environment
- Migrate a currently used legacy application from physical to virtual
- Create a firewall where the sandbox acts as a perimeter network.
Answer: B
Explanation:
A sandbox in virtualization allows testing an application in an isolated environment to observe its behavior without affecting the host system.
Why Not A (Run an application on multiple workstations): This describes application virtualization, not sandboxing.
Why Not C (Migrate a legacy application): This is about virtualization for legacy support, not testing.
Why Not D (Create a firewall): A firewall does not act as a sandbox for application testing.
Question: 106
An employee who travels worldwide wants a workstation to perform the same whether the workstation is in the corporate office environment or elsewhere. Which of the following should a technician implement?
- Public cloud
- VDI
- SSH
- SaaS
Answer: B
Question: 107
When turning on a workstation, a technician observes the following message:
“Bootable device not found.”
The technician verifies the correct boot order in the BIOS. Which of the following steps should the technician take next?
- Reformat the HDD.
- Run HDD diagnostics.
- Reseat the RAM.
- Replace the HDD.
Answer: B
Explanation:
If the system reports “Bootable device not found”, and the BIOS is configured correctly, the next step is to run diagnostics on the hard drive to check for physical or logical failure. It could be a sign of a failing drive or corrupt boot sector.
Option A:Reformatting the drive would erase data not a diagnostic step.
Option C:RAM does not affect whether a drive is bootable.
Option D:Replacing the drive should only be doneafter diagnostics confirm failure.
Question: 108
Which of the following is an advantage of using a hybrid cloud instead of a public cloud?
- Ability to reduce management overhead
- Ability to use cross-platform virtualization
- Ability to meet data residency requirements
- Ability to leverage IaaS and PaaS
Answer: C
Explanation:
A hybrid cloud combines on-premises infrastructure with public cloud services. One significant advantage is that it allows organizations to keep sensitive data in a private environment to meet regulatory or data residency requirements, while still utilizing the scalability and cost-efficiency of the public cloud for other workloads. This ensures compliance with legal mandates about data location.
Question: 109
A group of friends is gathering in a room to play video games. One of the friends has a game server. Which of the following network types should the group use so they can all connect to the same server and the internet?
- SAN
- MAN
- LAN
- PAN
Answer: C
Explanation:
The appropriate network type for this scenario is a Local Area Network (LAN), which is designed for small, localized networks, such as within a single building or room. LANs are ideal for gaming because they provide high-speed, low-latency connections.
Option A (SAN): Incorrect. A Storage Area Network is used for data storage, not for gaming or general networking.
Option B (MAN): Incorrect. A Metropolitan Area Network covers a city or campus, far exceeding the scope needed for a gaming setup in a single room.
Option D (PAN): Incorrect. A Personal Area Network is designed for a single user, such as Bluetooth devices, and would not support multiple devices connecting to a game server.
Question: 110
A technician is troubleshooting a computer that has random BSOD alerts and intermittently freezes during normal use. Performance degrades as the day goes on. No new software or hardware changes have been implemented. Freezing occurs under performance-intensive operations. Which of the following hardware components is most likely at fault?
- Video card
- HDD
- RAM module
- TPM
Answer: C
Explanation:
Random BSODs (Blue Screen of Death), intermittent freezing, and degraded performance under load are common symptoms of failing or faulty RAM (Random Access Memory). Here’s the reasoning:
RAM Module (Correct Answer):
Faulty or failing RAM can cause random BSODs due to memory errors when the system attempts to read or write to corrupted memory locations.
Intermittent freezing, especially under performance-intensive operations, can occur because the CPU relies heavily on RAM for active processing tasks.
Over time, heat generated during usage can exacerbate RAM instability, leading to progressively worse performance throughout the day.
Solution: The technician should run a memory diagnostic tool, such as Windows Memory Diagnostic or MemTest86, to confirm if the RAM is at fault.
Incorrect Options:
A . Video Card: A faulty video card can cause graphical glitches, screen artifacts, or crashes, but it is unlikely to cause system-wide performance degradation and random freezing under normal operations unless the issue is specific to GPU-intensive tasks (e.g., gaming or video rendering).
B . HDD: A failing hard drive can cause system slowdowns and freezing, but it typically produces
other symptoms such as read/write errors, boot failures, or clicking sounds. HDD issues do not usually cause BSODs unless critical system files are corrupted.
D . TPM (Trusted Platform Module): A TPM is a hardware-based security module used for encryption and secure authentication. It does not affect performance or cause BSODs or freezing under normal operation.
Key Takeaway:
The symptoms described (random BSODs, intermittent freezing, and degraded performance under load) are most likely caused by faulty or failing RAM. Memory diagnostic tools should be used to confirm the issue.
Question: 111
Each floor at a new corporate facility will have four printers available for all users to print from AH of the printers will be connected with RJ45 and not joined to a domain Which of the following needs to be set up to accomplish this task? (Select two).
- Printer shares
- DHCP server
- Print server
- Printer subnet
- SMB configuration
- Printer Wi-Fi settings
Answer: A,C
Explanation:
To allow multiple users to print to networked printers:
Printer shares enable users to access printers shared on the network.
Print servers manage print jobs and provide centralized control of printing.
Why Not B (DHCP server): DHCP is unrelated to print management.
Why Not D (Printer subnet): Subnets group devices but don’t manage printing.
Why Not E (SMB configuration): SMB is for file sharing, not specifically print management.
Why Not F (Printer Wi-Fi settings): These settings are irrelevant since the printers use Ethernet.
Question: 112
Which of the forming connector types would best suit a company that experiences a large volume of internet traffic?
- USB 3.1
- Quad-shielded RG11 coax
- SATA3.0
- Unshielded plenum RJ45
Answer: B
Explanation:
RG11 coaxial cable with quad shielding is designed to handle large volumes of internet traffic, providing excellent resistance to interference and high bandwidth capacity.
Why Not A (USB 3.1): USB 3.1 is used for connecting peripherals, not for high-volume internet traffic.
Why Not C (SATA3.0): SATA is used for internal data storage connections, not for network traffic.
Why Not D (Unshielded plenum RJ45): While RJ45 cables are commonly used, unshielded cables are prone to interference and are not ideal for high-volume traffic.
Question: 113
A technician is troubleshooting stylus issues on identical, company-provided tablets. Users can purchase their own accessories. Some users have no issues, but others report that their styluses charge intermittently and die frequently. Which of the following is the most likely cause of this issue?
- Certain cases are causing charging issues.
- The tablets need to be updated.
- Some of the tablets have manufacturing defects.
- The malfunctioning styluses need firmware updates.
Answer: A
Explanation:
The most likely cause is third-party or ill-fitting cases obstructing the contact between the stylus and the tablet charging mechanism. Some cases may not be designed with stylus charging in mind, particularly if users are purchasing their own accessories.
Option B:A software update might fix OS-related issues, but would not typically affect physical charging.
Option C:If some devices had defects, the issue would likely be consistent, not isolated to some users.
Option D:Firmware issues could be a factor but are less likely than physical obstructions when users are using different accessories.
Question: 114
A technician has just installed a new SSD into a computer, but the drive is not appearing. Which of the following is most likely the reason’s?
- The SSD is faulty and should be replaced by the manufacturer
- The SSD has not been properly formatted and is not readable
- The SSD is incompatible with the motherboard
- The SSD has not boon installed properly and should be reseated
Answer: D
Explanation:
Improper seating is the most common reason an SSD isn’t recognized. Ensuring it is correctly connected resolves the issue.
Why Not A (Faulty SSD): A faulty SSD is possible but less likely than an installation issue.
Why Not B (Not formatted): Formatting affects data usability, not drive detection.
Why Not C (Incompatibility): SSD compatibility issues are rare with modern hardware.
Question: 115
A salesperson is unable to reach the internet from a home office PC A support technician wants to verify the router is receiving a valid public IP address Which of the Wowing is a valid public IP address in this scenario?
- 10.254.128.11
- 66.157.195.20
- 172.16.0.30
- 192.168 1.50
Answer: B
Explanation:
A valid public IP address must fall outside the private IP address ranges:
10.0.0.0 to 10.255.255.255
172.16.0.0 to 172.31.255.255
192.168.0.0 to 192.168.255.255
66.157.195.20 is outside these ranges, making it a public IP address.
Why Not A, C, D: These IPs fall within private IP address ranges.
Question: 116
A customer reports a problem connecting to network resources. After asking open-ended questions, the technician determines the issue likely exists on the remote server. Which of the following should the technician do next?
- Document the findings.
- Test the theory
- Gather information
- Establish a plan of action
Answer: B
Explanation:
After determining the issue is likely on the remote server, the technician should test the theory to confirm the root cause before proceeding.
Why Not A (Document the findings): Documentation comes after confirming the issue.
Why Not C (Gather information): Information gathering is already completed.
Why Not D (Establish a plan of action): This is done after confirming the issue.
Question: 117
Which of the following technologies best allows a phone to connect to a point-of-sale terminal for wireless payments?
- Bluetooth
- NFC
- Wi-Fi
- Cellular
Answer: B
Explanation:
Near-field communication (NFC) is a short-distance wireless communication method widely used in mobile payment systems like Apple Pay and Google Pay. Simply placing the device near a compatible terminal initiates the payment process.
Question: 118
A new directive mandates the use of a security component to securely allow users to authenticate to systems, access sensitive data, and enter the office. The component must provide an additional factor of authentication alongside user accounts and cannot be something the user does. Which of the Mowing components best meets these requirements?
- Fingerprint reader
- Smart card
- Secure token
- NFC scanner
Answer: B
Explanation:
A smart card provides an additional factor of authentication by storing secure credentials, such as certificates, that cannot be guessed or replicated. It complements user accounts and is “something you have”.
Why Not A (Fingerprint reader): This is “something you are”, but the scenario specifically requires a physical token.
Why Not C (Secure token): Secure tokens are also valid but may not integrate as seamlessly into multi-factor authentication for physical and system access.
Why Not D (NFC scanner): An NFC scanner is a device and not a token itself; it reads cards or other credentials.
Question: 119
A network administrator must ensure that a printer will still be assigned a specific IP address even if all addresses are depleted. Which of the following network configuration concepts is this describing?
- VLAN
- Lease
- Reservation
- Exclusion
Answer: C
Explanation:
A DHCP reservation binds a specific MAC address to an IP address so the device always receives the same IP from the DHCP server. This ensures network devices like printers maintain consistent connectivity and availability even when the IP pool is low.
Question: 120
A company needs to develop a disaster recovery solution based on virtual machines. Which of the following service models is the most suitable?
- Infrastructure as a Service
- Security as a Service
- Platform as a Service
- Software as a Service
Answer: A
Explanation:
Infrastructure as a Service (IaaS)provides virtualized computing resources over the internet such as servers, storage, and networking. It allows a business to quickly spin up virtual machines and is ideal for disaster recovery and scalable IT infrastructure needs.
Option B:SecaaS focuses on cloud-delivered security, not infrastructure.
Option C:PaaS offers development environments, not full virtual infrastructure.
Option D:SaaS delivers applications over the internet (e.g., email, CRM) not for disaster recovery.
Question: 121
Each lime a user ties to print, the paper becomes stuck at the last stage of the print job and the user has to poll me paper out of the printer. Which of the following is me most likely cause?
- Rollers
- Tray assembly
- Toner
- Printhead
Answer: A
Explanation:
If paper gets stuck at the last stage of printing, the rollers responsible for moving the paper through the printer are likely worn out or dirty.
Why Not B (Tray assembly): The tray assembly manages paper loading, not feeding during the print process.
Why Not C (Toner): Toner is unrelated to paper jams.
Why Not D (Printhead): Printheads manage ink/toner distribution, not paper movement.
Question: 122
Users working with large files back up the files to external hard drives. One user’s files take longer to back up than other users’ files. The user has tried backing up the files to other users’ drives with the same results. Which of the following steps should the technician take first to correct this issue?
- Replace the hard drive’s USB cable.
- Defragment the user’s external hard drive.
- Update the storage drivers on the user’s system.
- Instruct the user to compress the files.
Answer: B
Explanation:
If a hard drive is heavily fragmented, file read/write operations can take significantly longer, causing slow backup speeds. Defragmenting the drive organizes the data for more efficient access.
Why Not A (Replace the hard drive’s USB cable): A faulty cable would typically cause disconnections or errors, not just slower speeds.
Why Not C (Update the storage drivers): This might help if the issue is with system drivers, but the described symptoms point to a fragmentation issue.
Why Not D (Compress the files): Compression reduces file size but does not address the root cause of the slow backups.
Question: 123
Which of the following devices is used to implement ACL polices for an environment?
- Managed switch
- Gateway
- Repeater
- Firewall
Answer: D
Explanation:
A firewall implements ACLs (Access Control Lists) to filter traffic and enforce policies based on rules such as IP address, port, or protocol.
Why Not A (Managed switch): A managed switch supports VLANs and QoS but does not enforce ACLs at the network perimeter.
Why Not B (Gateway): Gateways connect networks and translate protocols but don’t typically implement ACLs.
Why Not C (Repeater): Repeaters extend signal range but don’t enforce policies.
Question: 124
A customer reports that the output from their thermal receipt printer has vertical white lines. Which of the following would most likely resolve this issue?
- Replacing the ink cartridge
- Using the correct paper type
- Installing a maintenance kit
- Cleaning the heating element
Answer: D
Explanation:
Thermal printers create images using a heated print head on specially coated thermal paper. Vertical white lines indicate that part of the heating element is dirty or blocked, preventing heat transfer to the paper. Cleaning the print head (heating element) will restore full functionality.
Option A:Thermal printers donot use ink or toner, so this is not applicable.
Option B:Wrong paper could cause blank output, but consistent vertical lines point to the print head.
Option C:Maintenance kits are typically for laser printers, not thermal printers.
Question: 125
Which of the following describes the function of an injector?
- To provide only data connectivity
- To supply power across a cable
- To improve wireless performance
- To extend a network connection
Answer: B
Explanation:
A PoE injector is used to add power to an Ethernet cable, enabling the cable to deliver both power and data. This is crucial when connecting to PoE-enabled devices like IP cameras or wireless access points that are far from power outlets.
Question: 126
Which of the following is the best to use when testing a file for potential malware?
- Multitenancy
- Test development
- Cross-platform virtualization
- Sandbox
Answer: D
Explanation:
A sandbox is a secure, isolated environment used to test potentially harmful software or code. It prevents the software from affecting the main system, allowing safe malware testing. This method is standard in cybersecurity best practices.
Question: 127
A technician wants to upgrade a computer to a new Windows version. The Windows Upgrade Advisor states that the computer is not compatible with the new Windows version due to a lack of TPM 2.0 support. Which of the following should the technician do next?
- Enable the module in the UEFI BIOS.
- Install an HSM in the computer.
- Perform a clean Install of the new Windows version.
- Implement BitLocker on the computer.
Answer: A
Explanation:
TPM 2.0 (Trusted Platform Module) is often disabled by default in the UEFI BIOS. Enabling it is necessary to meet the requirements for certain Windows installations, including Windows 11.
Why Not B (Install an HSM): A Hardware Security Module (HSM) is a separate device used for cryptographic functions and is not related to TPM on the motherboard.
Why Not C (Perform a clean install): A clean installation will not bypass the TPM 2.0 requirement.
Why Not D (Implement BitLocker): BitLocker requires TPM but does not resolve its absence or lack of activation.
Question: 128
A user reports that the printouts from a laser printer have lines and smudges on them. The printer is also intermittently misfeeding the paper. Which of the following components should a technician replace to address this issue?
- Fuser
- Maintenance kit
- Corona wire
- Toner cartridge
Answer: B
Explanation:
A maintenance kit for a laser printer often includes rollers, fuser, and other parts that wear out over time. If the printer is smudging and misfeeding, it’s a sign that multiple components are failing, which a maintenance kit is designed to resolve.
Option A (Fuser):May cause smudging if it’s not heating correctly, but it won’t resolve paper misfeeds alone.
Option C (Corona wire):Can cause poor image quality if dirty but doesn’t affect paper feeding.
Option D (Toner cartridge):Can cause streaks if defective, but not paper feed issues.
Question: 129
Which of the following services is used to allocate IP addresses in an enterprise-wide environment?
- DNS
- Syslog
- Telnet
- DHCP
Answer: D
Explanation:
Dynamic Host Configuration Protocol (DHCP) is a network service used to automatically assign IP addresses and other network configuration details (such as subnet masks and default gateways) to devices on an enterprise-wide network.
Why Not A (DNS): DNS resolves domain names to IP addresses but does not allocate IP addresses.
Why Not B (Syslog): Syslog is used for logging system events, not IP address management.
Why Not C (Telnet): Telnet is a protocol for remote access, not for IP allocation.
Question: 130
The output from a dot matrix printer has become lighter over time. Which of the following should a technician do to fix the issue?
- Clean the printhead.
- Replace the ribbon.
- Install a maintenance kit.
- Calibrate the alignment.
Answer: B
Explanation:
Dot matrix printers use an inked ribbon that physically contacts the paper through tiny pins. Over time, the ribbon wears out or dries up, resulting in faded or light print output. Replacing the ribbon restores print quality.
Option A:Cleaning helps with image clarity, not ink density.
Option C:Maintenance kits apply to laser printers, not dot matrix.
Option D:Calibration affects print position, not darkness.
Question: 131
A company needs to keep a record of tasks performed by an application. Which of the following should the company most likely implement as part of a solution?
- Fileshare
- Syslog
- Database
- SAN
Answer: B
Explanation:
Syslog is used to log system events and tasks performed by applications, providing a centralized record of activity.
Why Not A (Fileshare): Fileshares store files but are not designed for event logging.
Why Not C (Database): Databases can store logs but are not a logging mechanism themselves.
Why Not D (SAN): A SAN is a storage solution, not a logging tool.
Question: 132
A technician recently updated the firmware on a dual-BIOS motherboard. Following the update, the system has been stuck in a boot loop and cannot start an OS from any internal or external device. The technician cannot access the UEFI menu either. Which of the following should the technician do next?
- Enable the secondary configuration.
- Downgrade the firmware via USB.
- Start a warranty repair of the motherboard.
- Reapply thermal paste to the CPU.
Answer: A
Explanation:
Dual-BIOS motherboards contain two firmware chips. If the primary BIOS becomes corrupted, the system can fail over to the secondary BIOS. Most boards allow manual enabling of the secondary BIOS via a physical switch or jumper.
Option B:Downgrading firmware may not be possible if the system won’t POST or access UEFI.
Option C:Not necessary until both BIOS chips are non-functional.
Option D:Thermal paste affects heat dissipation, not BIOS/boot behavior.
Question: 133
A customer reports that a workstation has no internet connectivity. A technician confirms the port is disabled. Which of the following is most likely responsible for the issue?
- Patch panel
- Physical NIC
- Managed switch
- Stand-alone firewall
Answer: C
Explanation:
A managed switch allows an administrator to enable or disable individual ports as part of network security and management. If a port on a managed switch has been disabled, the device connected to that port will lose connectivity, which matches the scenario described.
Question: 134
A user is having issues when charging a device with a Lightning cable. The cable is not recognized when it is plugged into the device. This issue is usually resolved by flipping the cable over. This issue does not occur with other devices of the same type. Which of the following would most likely cause the issue?
- The device needs to be restarted.
- The battery may be swelling and needs inspection.
- The cable is failing and needs to be replaced
- The charging port is dirty or damaged
Answer: D
Explanation:
If flipping the cable helps but the problem is isolated to this device (not others of the same type), the most likely cause is a dirty or damaged charging port on the device itself. Dirt or debris inside the port can prevent a good electrical connection, causing the cable to work intermittently.
Question: 135
A technician is setting up a scan-to-SMB function on a multifunction printer. Which of the following connection types should the technician configure?
- Email server
- SFTP connection
- Network share
- Print services
Answer: C
Explanation:
The scan-to-SMB feature allows the printer to send scanned documents to a shared folder (SMB share) on the network. Setting up a network share enables the device to securely and conveniently save files for user access.
Question: 136
Which of the following internet connection types is the best for extremely high data transfer with symmetrical upload and download speeds?
- DSL
- Cellular
- Fiber
- Satellite
Answer: C
Explanation:
Fiber optic connections provide the highest data transfer rates and symmetrical upload and download speeds. This makes fiber the ideal choice for applications requiring high-speed connectivity, such as video conferencing, large file transfers, and cloud-based workflows.
Question: 137
Which of the following networking devices is used to create a mesh network?
- Modem
- DSL
- Access point
- ONT
Answer: C
Explanation:
Mesh networks rely on multiple access points (or mesh nodes) to create a seamless, self-healing network. Each access point communicates with others to extend coverage and improve reliability without requiring a wired backbone for each AP.
Question: 138
A user purchases a new mobile phone and tries to connect it to the corporate communications and email applications without success. Which of the following should a technician do to allow the phone to connect?
- Configure biometric security settings.
- Turn on LTE hotspot connectivity.
- Enroll the device in the MDM software.
- Complete the company’s BYOD training process.
Answer: C
Explanation:
Mobile Device Management (MDM) enrollment ensures that mobile devices meet security and access policies required by the corporate network. By enrolling the device in MDM, the technician can apply necessary configurations and enable corporate app access.
Question: 139
Which of the following is the ability to automatically increase and decrease instances based on demand?
- Availability
- Scalability
- Multitenancy
- Elasticity
Answer: D
Explanation:
Elasticity in cloud computing refers to the ability of a system to automatically allocate and release resources (such as CPU, RAM, or virtual machines) as workload demands change. This feature is key to ensuring that resources are used efficiently without manual intervention.
Question: 140
A user is having trouble with the location services on their smartphone. Location-based applications show incorrect positions when the user is traveling. This issue affects the user’s ability to navigate and use location-dependent applications. Which of the following is the best way to resolve this issue?
- Downloading a third-party mapping application
- Resetting the network settings
- Enabling Wi-Fi to assist GPS
- Restarting the smartphone
Answer: C
Explanation:
Wi-Fi assistance in mobile devices helps improve location accuracy by using nearby wireless networks to triangulate the device’s position, even when GPS signals are weak (like indoors or in dense areas).
Question: 141
Which of the following is related to the creation of a secured communication channel between workstations in different locations and is supported by credentials for authentication?
- DHCP
- CNAME
- VLAN
- VPN
Answer: D
Explanation:
A Virtual Private Network (VPN) creates an encrypted, secure tunnel across a public or untrusted network. It uses authentication credentials to ensure that only authorized users can connect, keeping data safe from interception.
Question: 142
Which of the following ports is commonly used for remote desktop connections?
- 137
- 445
- 3389
- 4443
Answer: C
Explanation:
Port 3389 is used by the Remote Desktop Protocol (RDP) for remote desktop connections in Windows environments. This port allows remote control and management of systems across the network.
Question: 143
A company is testing the latest model of a laptop. After turning on the laptop, there is a noticeable burning smell. Which of the following steps should a technician take to troubleshoot the laptop issue? (Select two).
- Turn it off and disconnect all power sources.
- Submit an emergency request to the local facilities manager.
- Check for foreign objects, liquid spills, and internal damage.
- Contact the vendor and submit a return request.
- Remove the device from the MDM.
- Try an alternate AC adapter.
Answer: A,C
Explanation:
When a technician encounters a burning smell, it is a critical safety issue. The first response must be to immediately power down and disconnect the device from all power sources to prevent electric shock, fire, or further hardware damage.
Troubleshoot common hardware problems: “Signs of electrical issues such as burning smells, smoke, or sparks require an immediate shutdown of the system and disconnection from any power source.” After ensuring safety, the technician should inspect the hardware for visible signs of damage:
“Inspect for foreign objects, liquid damage, or burnt components. These can cause short circuits or thermal events that may damage the motherboard or other internal components.” These steps are standard practice in the industry to ensure safe and accurate diagnosis of faulty devices. Trying a different adapter (Option F) may make the problem worse, and contacting vendors (Option D) comes after initial safety and inspection. Verified Source:
Question: 144
A technician needs to figure out why a laser printer is intermittently not feeding paper to print. The technician verifies the issue by running several copy-and-print tests. Which of the following should the technician do next?
- Update the printer drivers.
- Select the correct paper size.
- Clean the pickup rollers.
- Replace the toner cartridge.
Answer: C
Explanation:
When a laser printer intermittently fails to feed paper, the most common hardware cause is worn or dirty pickup rollers. These rollers grab the paper from the tray and move it into the printer. Over time, dust, paper debris, or worn rubber reduces their effectiveness, causing feeding issues.
Troubleshoot printing problems: “If the printer is not picking up paper correctly or is experiencing paper jams, check and clean or replace the pickup rollers and separation pads as these are responsible for feeding paper into the print path.”
Other options like updating drivers, selecting paper size, or replacing toner will not resolve a mechanical paper feed problem.
Question: 145
Which of the following has the best penetration through physical objects, such as walls?
- 2.4GHz
- 5GHz
- 6GHz
- NFC
Answer: A
Explanation:
2.4GHz Wi-Fi signals have better penetration through walls and other obstacles compared to 5GHz and 6GHz. Lower frequency waves (like 2.4GHz) travel farther and are less absorbed by physical barriers.
“The 2.4GHz frequency band offers greater range and better penetration through walls and obstacles than higher frequencies like 5GHz and 6GHz. Higher frequencies provide faster speeds but are more easily absorbed by walls.”
NFC (Near Field Communication) is not a Wi-Fi technology and works only over very short distances (a few centimeters).
Verified Source:
Question: 146
Which of the following can be used to logically segment networks?
- MAC
- VLAN
- NIC
- DSL
Answer: B
Explanation:
A VLAN (Virtual Local Area Network) is a network technology used to logically segment a physical network into multiple distinct broadcast domains, even if they share the same hardware.
“VLANs allow network administrators to segment a network logically, isolating broadcast traffic and improving security and management, regardless of the physical network layout.”
Other options explained:
MAC (Media Access Control) is a hardware address, not a segmentation method.
NIC (Network Interface Card) is network hardware, not for logical segmentation.
DSL (Digital Subscriber Line) is an internet connection type.
Question: 147
After troubleshooting a computer’s connectivity, the network team determines there is a port mapping issue. After plugging the patch cable into a different port, the issue persists. Which of the following troubleshooting steps should a technician take next to resolve the issue?
- Convert the patch cable to a crossover cable.
- Test the patch cable from the computer to the network closet.
- Verify the length of the patch cable meets current standards.
- Replace the patch cable from the device to the wall.
Answer: B
Explanation:
When port issues persist after moving to a different switch port, the next logical troubleshooting step is to test the patch cable. Faulty or damaged cables are a common cause of network connectivity problems. Using a cable tester between the computer and the network closet verifies the integrity of the cable and rules out a physical layer issue.
“If a device continues to experience connectivity issues after switching ports, test the cabling with a cable tester to check for continuity, shorts, or pinout issues before replacing hardware.”
Question: 148
Which of the following statements best summarize managed vs unmanaged switches? (Select two).
- Unmanaged switches are generally more expensive
- Unmanaged switches have more security capabilities
- Unmanaged switches start working as soon as they are plugged in to the network
- Managed switches have more features
- Managed switches require no configuration
- Managed switches consume less power
Answer: C,D
Explanation:
Unmanaged switches require no configuration they simply need to be plugged in and start working immediately, making them ideal for simple network setups.
Managed switches provide advanced features such as VLANs, SNMP monitoring, port security, and traffic management, but require configuration.
“Unmanaged switches operate out of the box with no configuration and are designed for simple connectivity. Managed switches allow for configuration, monitoring, and management of network traffic and security.”
Question: 149
A user is testing a new OS that is contained on a USB drive. The user wants the new OS to load automatically when the computer is turned on. Which of the following should the user configure?
- BIOS password
- Trusted Platform Module
- USB permissions
- Boot options
Answer: D
Explanation:
To boot from a USB drive, the user must configure the boot order in the system BIOS/UEFI to prioritize the USB device. This setting tells the computer to load the operating system from the USB device on startup.
“The boot order determines the sequence in which the system firmware attempts to find an OS to boot. Setting USB as the first boot device allows the computer to boot from a USB drive.”
Question: 150
A technician is setting up a locally hosted environment for internal developers who need con current access to a wide array of test OSs. Which of the following would best fulfill this requirement?
- Hypervisor
- SaaS platform
- Multiboot server computer
- Sandbox
Answer: A
Explanation:
A hypervisor allows multiple operating systems to run simultaneously on a single physical host, making it the ideal solution for providing concurrent access to different test environments.
Developers can use virtual machines (VMs) for testing and development.
“A hypervisor is software that enables multiple operating systems to run on a single host as virtual machines. This is commonly used in development and testing environments for flexibility and isolation.”
Question: 151
An employee’s screen keeps flashing. Sometimes the picture goes out and comes back. The employee checks the power cord and confirms the device is plugged in fully. Which of the following should a technician check for first?
- Loose video cable
- Failing graphics card
- Conflicting drivers
- Swollen motherboard capacitor
Answer: A
Explanation:
Intermittent display issues, such as a screen flashing on and off, are most commonly caused by a loose or faulty video cable connection. If the power cable is confirmed secure, the next logical step is to check the video (data) cable between the monitor and the computer.
“Common video issues include intermittent display or loss of picture. The most likely causes are a loose or faulty video cable or connector. Check all cable connections before troubleshooting internal components.”
Question: 152
A user reports that the print quality of their desk printer is poor. A technician replaces the ink cartridge, but this does not resolve the issue. Which of the following should the technician do next?
- Replace the pickup rollers
- Clean the printheads
- Switch the paper type
- Change the ribbon
Answer: B
Explanation:
If print quality remains poor after replacing the ink cartridge, the next step is to clean the printheads.
Printheads can become clogged with dried ink, especially in inkjet printers, causing streaks or faded output.
From the CompTIA A+ 220-1101 Official Study Guide, Objective 4.3 – Troubleshoot printing problems: “Poor print quality after replacing cartridges is commonly caused by clogged or dirty printheads. Use the printer’s cleaning cycle or manually clean the printheads as needed.”
Question: 153
An end user reports that their laptop shuts down when they undock it. Even when using a new charging cable, the issue persists. Which of the following should the technician do next?
- Flash the BIOS
- Update the drivers
- Try a different charger
- Replace the battery
Answer: D
Explanation:
If a laptop shuts down when undocked and remains powered off even with a new charging cable, the internal battery is likely faulty and cannot hold a charge. Replacing the battery is the next troubleshooting step.
“If a laptop only works when docked or connected to AC power, and a replacement cable does not resolve the issue, the internal battery may need to be replaced.”
Question: 154
A company provides cell phones to employees who travel internationally. An employee brings their phone to the help desk so the necessary equipment can be installed. However, the technician cannot install any new hardware on the phone. Which of the following will the technician require so the phone can connect to a different provider?
- USB-C
- SD card
- eSIM
- MDM
Answer: C
Explanation:
An eSIM (embedded SIM) allows users to change carriers and provision new cellular service without installing any physical hardware. It is managed via software and is ideal for international travelers who need to switch providers quickly.
“eSIMs provide carrier flexibility by enabling remote provisioning and profile switching, making it possible to connect to different networks without a physical SIM card.”
Question: 155
Which of the following internet connection types provides the fastest speeds and greatest coverage in less populated areas with minimal infrastructure?
- Fiber
- Cable
- DSL
- Cellular
Answer: D
Explanation:
Cellular networks offer broad coverage in rural or less populated areas where laying fiber, cable, or DSL lines may not be feasible or cost-effective. Cellular broadband (4G LTE/5G) provides fast speeds using existing mobile network infrastructure.
“Cellular connections offer high speed and extensive coverage, especially in areas where other wired infrastructure may not exist or be practical.”
Question: 156
Which of the following ports should a technician disable to increase the security of remote connectivity?
- 22
- 23
- 25
- 53
Answer: B
Explanation:
Port 23 is used by Telnet, an unencrypted remote connection protocol that poses significant security risks. Disabling Telnet and using secure alternatives like SSH (port 22) is best practice.
Common ports and protocols: “Port 23 (Telnet) provides unencrypted remote access and should be disabled to increase security. Use SSH (port 22) for secure remote connections.”
Question: 157
A network operations analyst receives an automated alert regarding a server with an array. The analyst walks over to the server and sees a blinking orange light at the hard disk bay. The server is configured for RAID 1. Which of the following should the analyst do to resolve this issue?
- Change the array to RAID 0.
- Undo the array and create a new one.
- Update RAID card firmware.
- Replace the hard disk and rebuild the array.
Answer: D
Explanation:
A blinking orange light typically indicates a failed hard drive in the RAID array. In RAID 1 (mirroring), you can replace the failed drive and rebuild the array without data loss.
“In the event of a hard drive failure in RAID 1, replace the failed disk and allow the array to rebuild using the remaining mirrored disk.”
Question: 158
A technician upgrades a PC with two DIMMs, for a total of 32GB. After installing the two DIMMs, the user notices the OS is reporting only 16GB. Which of the following tasks should the technician perform to resolve the issue in the most rapid, cost-effective way possible?
- Roll back recent system updates
- Reinstall RAM in different slots.
- Update the OS to the latest version
- Replace the faulty motherboard
Answer: B
Explanation:
If newly installed RAM is not fully recognized, the most likely cause is incorrect installation or incompatible slots. Reseating or reinstalling the RAM modules in the correct slots can quickly resolve the issue without extra cost.
“If memory is not detected, check installation and reseat modules. Ensure they are placed in the correct, matched slots for dual-channel operation.”
Question: 159
A company wants to have fast read speeds for its locally stored data. Which of the following configurations has the lowest cost to fulfill this requirement?
- RAID 0
- RAID 1
- RAID 5
- RAID 10
Answer: A
Explanation:
RAID 0 (striping) provides the fastest read (and write) speeds at the lowest cost, as all disk capacity is used for storage and performance. However, it offers no redundancy.
“RAID 0 stripes data across multiple disks, offering the best performance and lowest cost but no fault tolerance.”
Question: 160
Which of the following devices has ACL capabilities?
- PoE injector
- DSL
- Firewall
- Unmanaged switch
Answer: C
Explanation:
Firewalls are specifically designed to monitor, filter, and control network traffic using Access Control Lists (ACLs). ACLs define which traffic is allowed or denied based on parameters like IP address, protocol, or port.
“Firewalls use access control lists (ACLs) to allow or deny traffic based on rules. Unmanaged switches and PoE injectors do not support ACLs.”
Question: 161
A user would like to connect a laptop to a monitor, keyboard, and mouse when in the office. The user prefers to use as few cables as possible. Which of the following would best achieve that goal?
- Bluetooth
- Managed switch
- Docking station
- Near-field communication
Answer: C
Explanation:
A docking station allows users to connect multiple peripherals (monitor, keyboard, mouse, etc.) to a laptop with a single connection, reducing cable clutter and improving convenience.
“A docking station enables the use of multiple external devices with a laptop using only one or two connections, making it ideal for office environments.”
Question: 162
A user keeps getting an error message when trying to print a letter. The printer is normally used to print cards and invitations. The user tries printing from a different computer, but the issue persists.
Which of the following should the user do to resolve the issue?
- Print fewer pages.
- Print on card stock
- Replace the rollers.
- Change the paper tray setting.
Answer: D
Explanation:
If a printer is set to use a special tray (for cards/invitations) but a different type of print job is attempted (like a letter), a paper tray setting mismatch can cause errors. Changing the tray setting to match the print media resolves the issue.
“If print jobs fail when media type changes, verify and adjust the paper tray settings to match the required output.”
Question: 163
Which of the following should a company use to implement automatic time synchronization?
- DHCP
- UTM
- NTP
- AAA
Answer: C
Explanation:
NTP (Network Time Protocol) is specifically designed to synchronize the clocks of networked computers and devices automatically.
“NTP is used to automatically synchronize system clocks on network devices, ensuring all systems have accurate time.”
Question: 164
An end user reports that their laptop has a blank screen. A technician observes the keyboard lights are on, and the fan is running. Which of the following should the technician do next?
- Check the display ribbon cable.
- Contact vendor support
- Replace the inverter
- Connect to an external monitor
Answer: D
Explanation:
When a laptop powers on but the screen is blank, the quickest way to isolate the problem is to connect to an external monitor. This helps determine if the issue is with the laptop display or with the graphics subsystem.
“A blank screen on a laptop with power indicators lit should be tested with an external display first to rule out a faulty screen or ribbon cable.”
Question: 165
Which of the following minimizes the time it takes to connect a display, keyboard, mouse, and network cable to a laptop?
- Lightning interface
- Port replicator
- USB hub
- Bluetooth
Answer: B
Explanation:
A port replicator is designed to allow a user to quickly connect a laptop to multiple peripherals (display, keyboard, mouse, network, etc.) using a single interface, reducing setup time.
“Port replicators offer quick connections for multiple peripherals, streamlining the process of docking and undocking a laptop.”
Question: 166
A multifunction printer in a small office recently had issues with scan-to-email functionality. The manufacturer has an update ready to fix the printer issues. Which of the following would a technician most likely deploy to remediate the issue?
- Firmware
- Driver
- OS update
- HSM
Answer: A
Explanation:
Firmware is the embedded software on a device such as a printer. Manufacturers often release firmware updates to resolve hardware-specific functionality issues, such as scan-to-email or security vulnerabilities.
“Firmware updates provide bug fixes and add new features for multifunction printers. Apply firmware updates to resolve device-specific issues.”
Question: 167
A technician is setting up a new SOHO wireless router. According to security best practices, which of the following should the technician do first?
- Enable encryption.
- Assign a static IP.
- Change the default password.
- Reset the router.
Answer: C
Explanation:
The first security step after deploying a new router is to change the default administrative password. Default credentials are well known and pose a security risk if left unchanged.
“Always change default administrative credentials before further configuration to prevent unauthorized access.”
Question: 168
Which of the following can carry data and electricity to network devices? (Select two).
- Router
- Injector
- Cable modem
- Access point
- PoE
- Unmanaged switch
Answer: B,E
Explanation:
PoE (Power over Ethernet) allows both data and electrical power to be delivered over the same Ethernet cable. A PoE injector adds power to Ethernet cables for devices that need it.
Networking hardware: “Power over Ethernet (PoE) technology and PoE injectors enable both power and data transmission to compatible network devices like access points and IP cameras.”
Question: 169
A company deploys its infrastructure in self-operated data centers. The company recently migrated some of its applications to a public cloud. Which of the following most accurately describes the cloud model the company is following?
- Public
- Hybrid
- Community
- Private
Answer: B
Explanation:
A hybrid cloud combines private infrastructure (on-premises, self-operated data centers) with public cloud services, providing flexibility and scalability.
Cloud concepts: “A hybrid cloud model integrates private and public cloud infrastructure to allow applications and data to be shared between them.”
Question: 170
A technician is setting up a new multifunction device to be used over a shared network connection. Copier functions need to be restricted to only office employees. Which of the following should the technician perform after configuring the device to use a print server that exists on the domain?
- SMTP implementation
- Firmware update
- User authentication
- SMB configuration
Answer: C
Explanation:
User authentication allows access to device functions (like printing and copying) to be restricted to authorized personnel. This is typically implemented on networked multifunction devices for security and auditing.
Printer and device security: “Enable user authentication on shared multifunction devices to restrict access to specific features for authorized users only.”
Question: 171
A technician observes slow startup times on a laptop. Which of the following is most likely causing
the issue?
- HDD
- RAM
- NIC
- BIOS
Answer: A
Explanation:
A hard disk drive (HDD), especially if it’s older or nearly full, is the most common cause of slow startup times in laptops. HDDs are much slower than SSDs and can significantly bottleneck the boot process.
Troubleshoot common hardware problems: “A slow startup or sluggish system performance is commonly due to a failing or fragmented hard disk drive (HDD). Replacing with an SSD can greatly improve boot times and overall system responsiveness.”
Question: 172
Which of the following display technologies typically provides the highest contrast?
- IPS
- OLED
- TN
- VA
Answer: B
Explanation:
OLED (Organic Light-Emitting Diode) technology can turn off individual pixels completely, producing “true black” and resulting in the highest contrast ratios compared to other display types.
Display types and features: “OLED displays provide superior contrast by emitting light per pixel, allowing perfect black and extremely high contrast ratios.”
Question: 173
Which of the following types of RAM would most likely be used in a server?
- SODIMM
- ECC
- Unbuffered
- DDR3
Answer: B
Explanation:
ECC (Error-Correcting Code) RAM is commonly used in servers because it can detect and correct memory errors, providing greater stability and reliability for mission-critical environments.
Types of RAM: “Servers often require ECC memory, which can detect and correct single-bit errors, preventing data corruption and increasing system reliability.”
Question: 174
A company migrates a local application to an internal cloud platform. Which of the following best describes this cloud platform?
- Private
- Public
- Community
- Hybrid
Answer: A
Explanation:
An internal cloud platform operated exclusively for a single organization is a private cloud, providing dedicated resources and enhanced control.
Cloud models: “A private cloud is provisioned for exclusive use by a single organization, typically managed internally or by a third party, and may be hosted on-premises.”
Question: 175
A technician sets up secure print and configures an NFC device that will authenticate users for access.
Which of the following will the NFC device most likely use to authenticate?
- Badging
- Password
- Passcode
- Biometrics
Answer: A
Explanation:
Badging refers to the use of NFC-enabled ID badges or cards that authenticate users when tapped against a reader for secure print or access control.
Secure printing and authentication: “NFC authentication is commonly implemented using employee badges, allowing secure and convenient access to devices and functions.”
Question: 176
A customer recently lost data due to several unexpected shutdowns. Data integrity is important to the customer. Which of the following features should the technician choose to prevent data loss?
- Redundant power supply
- Uninterruptible power supply
- Modular power supply
- High-efficiency power supply
Answer: B
Explanation:
An uninterruptible power supply (UPS) protects systems against power outages by providing temporary backup power, giving users time to save data and safely shut down.
Power protection: “A UPS supplies backup power to prevent data loss and hardware damage during outages or surges, ensuring system integrity.”
Question: 177
Which of the following allows a physical server to host multiple virtual machines?
- Cross-platform virtualization
- Hypervisor
- Sandbox
- SaaS
Answer: B
Explanation:
A hypervisor is software or firmware that allows multiple operating systems (virtual machines) to run on a single physical host. It manages the allocation of resources and isolation of each VM.
From CompTIA A+ 220-1101 Official Study Guide, Objective 3.7 – Virtualization concepts: “A hypervisor is the key component of virtualization, enabling a physical server to host multiple virtual machines (VMs), each with its own OS and resources.”
Question: 178
Which of the following virtualization technologies is best suited for running microservices?
- Containers
- VDI
- Type 2 hypervisors
- Type 1 hypervisors
Answer: A
Explanation:
Containers provide lightweight virtualization, ideal for deploying microservices because they are isolated, portable, and require fewer resources than traditional VMs.
Virtualization and cloud computing: “Containers package applications and their dependencies, making them ideal for running microservices efficiently and independently.”
Question: 179
An IT specialist sets up a new computer for a user who requires a high-end video card and the fastest hard drive possible. Which of the following connectors should the specialist verify are available on the motherboard? (Select two).
- Molex
- NVMe
- SATA
- FireWire
- USB-C
- PCIe
Answer: B,F
Explanation:
PCIe (Peripheral Component Interconnect Express) is required for high-end video cards.
NVMe (Non-Volatile Memory Express) utilizes the M.2 or PCIe interface for the fastest SSD performance.
Motherboard expansion slots and storage interfaces: “High-end video cards require a PCIe slot, while NVMe drives use M.2 (PCIe) slots for the highest data transfer rates.”
Question: 180
A user’s phone does not respond to touch. A technician inspects the phone but does not see any evidence of physical damage. The technician restarts the device, which does not fix the issue. Which of the following components should the technician examine next?
- Battery
- Screen
- Stylus
- Digitizer
Answer: D
Explanation:
The digitizer is the component responsible for detecting touch input on a screen. If touch is not registering and there’s no physical damage, the digitizer may be faulty.
Mobile device hardware: “If a touchscreen device does not respond to input and the screen is intact, the digitizer (touch sensor) may be defective.”
Question: 181
A user can connect their laptop to the internet in the main office. However, when the user places the laptop on top of a motor on the factory floor, there is no internet connectivity. Which of the following is the most likely cause of this issue?
- Jitter
- Insufficient power levels
- External interference
- High latency
Answer: C
Explanation:
Large electrical motors can emit electromagnetic interference (EMI), which can disrupt wireless signals and prevent connectivity.
Wireless troubleshooting:
“Sources of external interference such as motors or other electrical equipment can disrupt wireless network connectivity.”
Question: 182
Which of the following is a characteristic of an NVMe drive?
- M.2 interface
- 3.5in (8.9cm) external
- 7,200rpm
- Molex connector
Answer: A
Explanation:
NVMe (Non-Volatile Memory Express) drives commonly use the M.2 interface and provide the
highest performance for SSDs.
Storage devices: “NVMe drives connect via the M.2 slot and provide the fastest data transfer rates available for storage devices.”
Question: 183
Which of the following connector types is associated with coaxial terminations serving cable internet deployments?
- DB9
- ST
- F-type
- RJ45
Answer: C
Explanation:
F-type connectors are commonly used to terminate coaxial cables in cable internet, cable TV, and satellite connections.
Network cables and connectors:
“F-type connectors are used for coaxial cable terminations in cable modem and TV installations.”
Question: 184
A technician receives several complaints from the same office about VoIP calls sounding broken up, being difficult to hear, and having lagging audio. The technician arrives on-site and runs an internet speed test on several wired and wireless computers. Internet speed seems normal throughout the office. Which of the following should the technician do to fix the call issues?
- Enable QoS in the router
- Configure PoE on the switch
- Change the encryption from WPA3 to WPA2
- Turn on MAC address filtering
Answer: A
Explanation:
Quality of Service (QoS) prioritizes VoIP traffic on the network, reducing jitter, latency, and packet loss to improve call quality.
Network troubleshooting:
“Enabling QoS in the router ensures time-sensitive traffic, like VoIP, receives network priority, reducing dropped or lagging calls.”
Question: 185
A technician needs to update a web server’s IPv4 address in a DNS server. Which of the following records should the technician update?
- AAAA
- MX
- CNAME
- A
Answer: D
Explanation:
An A record maps a domain name to an IPv4 address in a DNS server.
DNS records: “A records map hostnames to IPv4 addresses, while AAAA records map to IPv6 addresses.”
Question: 186
A technician needs to prepare a conference room for a meeting. The technician connects the laptop to the LCD projector and audio system, and then verifies the connectivity of each device. The meeting begins, but the visual presentation suddenly cuts off 30 minutes later. The audio continues to play without interruption. The technician brings in a backup laptop and connects it to the projector. The meeting continues without issue for 15 minutes until the presentation suddenly cuts off again. Which of the following should the technician do to resolve this issue?
- Check the laptop’s audio output
- Verify the input source
- Examine the display for burn-in
- Inspect the cables for damage
- Clean or replace the filter
Answer: E
Explanation:
Overheating is a common cause of projectors shutting down after extended use. A clogged air filter can cause overheating, resulting in intermittent shutdowns.
Troubleshooting displays:
“If a projector shuts down after running for a period, clean or replace the filter to prevent overheating and automatic shutdown.”
Question: 187
A technician installs an upgraded wireless access point. The technician then notices the activity light comes on briefly and turns off. The access point continues to exhibit this behavior repeatedly and does not come online. Which of the following is the most likely cause of this issue?
- High latency
- Port flapping
- External interference
- Channel conflict
Answer: B
Explanation:
Port flapping refers to a network port continuously going up and down, which can prevent the access point from fully coming online.
Wired and wireless troubleshooting:
“Repeated loss and restoration of network link is called port flapping and may result in network devices, such as access points, not coming online.”
Question: 188
A technician is setting up a workstation. Which of the following settings should the technician configure to ensure that users can connect to the network? (Select three).
- APIPA
- Gateway
- IP address
- Subnet mask
- Static routes
- UPnP settings
- NAT rules
- MAC filters
Answer: B,C,D
Explanation:
For a device to communicate on a network, it must have a valid IP address, subnet mask, and default gateway configured.
“A valid IP address, subnet mask, and gateway are required for network connectivity and communication outside the local network.”
Question: 189
A major retailer is moving its online shopping website to the cloud and wants to expand its server resources as needed during busier shopping days. Which of the following should the retailer consider?
- Location
- Elasticity
- Availability
- Multitenancy
Answer: B
Explanation:
Elasticity in cloud computing refers to the ability to automatically scale resources up or down based on demand, making it ideal for businesses with fluctuating workloads.
“Elasticity allows cloud customers to quickly and automatically scale computing resources in response to changing demand.”
Question: 190
A network printer does not release a user’s final print job from the queue, but the user’s other print jobs successfully printed a few moments before. Other users can print without issues. Which of the following should the user check first to solve the issue?
- If the print job is configured to a tray or manual feed
- If the computer and printer are connected to the same network
- If the print queue is full and will not allow additional jobs
- If the printer has stopped due to empty trays
Answer: A
Explanation:
If only one print job fails and others succeed, it is often due to a paper type or tray selection mismatch for that specific job. If a print job is configured to use a tray that is empty or set to manual feed, it will not be released until resolved.
“If a specific print job stalls while others succeed, check the job settings for specific tray or paper type configurations that do not match the printer’s current setup.”
Question: 191
A technician is troubleshooting a workstation that repeatedly shuts down within ten minutes of being turned on. The technician notices a loud clicking sound coming from inside the case. Which of the following components should the technician check first?
- Exhaust fan
- Capacitors
- CPU fan
- Intake fan
Answer: C
Explanation:
A failing CPU fan may make unusual noises (including clicking) and, if it is not cooling the CPU, the system will quickly overheat and shut down to prevent damage.
“Overheating due to a failed or obstructed CPU fan can cause frequent shutdowns. Loud noises are a sign the fan should be checked first.”
Question: 192
Which of the following allows for a beam of light to transmit data through a flexible cable?
- Coaxial
- HDMI
- Thunderbolt
- Single-mode fiber
Answer: D
Explanation:
Single-mode fiber (as well as multi-mode fiber) transmits data using beams of light, allowing for high-speed data transfer over flexible fiber-optic cables.
Networking media: “Fiber optic cables transmit data using light. Single-mode fiber is used for long-distance, high-speed communication.”
Question: 193
An IT specialist is setting up a new, custom computer. The specialist wants to minimize the number of power cables to keep the internal components organized and uncluttered. Which of the following power supply types should the specialist use?
- Modular
- Redundant
- Linear
- External
Answer: A
Explanation:
A modular power supply allows the user to connect only the cables needed, reducing clutter and improving organization inside the case.
Power supplies: “Modular power supplies provide detachable cables, allowing users to use only the required connections for a neater build.”
Question: 194
A company policy change requires all computers to be encrypted. Which of the following technologies should a technician configure to meet this new requirement?
- NVMe
- RISC
- ARM
- TPM
Answer: D
Explanation:
A Trusted Platform Module (TPM) is a hardware chip used to enable encryption technologies such as BitLocker, providing secure key storage for system-wide encryption.
Security features: “A TPM chip is required for system encryption, storing encryption keys securely on the hardware.”
Question: 195
A company wants to use cloud services with the requirement that data will reside on physical hardware that will not be shared with other companies. Which of the following meets this requirement?
- Dedicated resources
- Elasticity
- Hybrid cloud
- SaaS
Answer: A
Explanation:
Dedicated resources (sometimes called single-tenant or bare metal) guarantee that physical hardware is allocated exclusively to one customer and not shared.
Cloud deployment models: “Dedicated resources ensure data isolation at the hardware level for compliance and security.”
Question: 196
A user connects a company-issued laptop to a 4K TV but can only get 1080p resolution on the TV. The technician confirms that the laptop is capable of producing a 4K output. Which of the following is the most likely cause of the issue?
- The TV firmware is out of date
- The HDMI cable version is incorrect
- The laptop firmware is not current
- The CPU cannot keep up with the transcoding
Answer: B
Explanation:
An older HDMI cable version may not support 4K resolution. For 4K output, both the device and the cable must support HDMI 2.0 or higher.
Display troubleshooting: “Ensure the correct version of HDMI cable is used for high-resolution outputs like 4K. Older cables may be limited to 1080p.”
Question: 197
Which of the following is an isolated virtual machine?
- Sandbox
- Hypervisor
- Container
- VDI
Answer: A
Explanation:
A sandbox is an isolated virtual environment, often used for testing code or software safely without affecting the host system.
“A sandbox provides an isolated environment, often implemented as a virtual machine, to safely test applications or code.”
Question: 198
A user cannot see the office multifunction printer in their laptop’s print options. They have printed to the device in the past successfully. The user’s laptop is connected to the guest wireless network.
Other users on both wireless and wired computers can see and print to the printer. Which of the following will fix the issue?
- Power cycle the printer to refresh connectivity.
- Reset the closest wireless AP.
- Download the printer driver from the manufacturer’s website.
- Connect the laptop to the corporate Wi-Fi.
Answer: D
Explanation:
If the user is on a guest network and cannot access internal resources like printers, connecting to the corporate Wi-Fi will place the device on the correct subnet to access the printer.
“Guest networks are isolated from internal resources for security. Connect to the main corporate WiFi to access shared devices.”
Question: 199
A technician receives a notification after a network outage that indicates the printer is not reachable.
Which of the following printer settings should the technician implement to prevent this issue in the future?
- Gateway
- Static IP
- APIPA
- DHCP
Answer: B
Explanation:
Assigning a static IP to network printers ensures the printer’s address does not change after outages or DHCP lease expirations, preventing connectivity issues.
Printer network configuration:
“Printers should use static IPs to ensure they remain reachable and do not change addresses after network events.”
Question: 200
Which of the following cloud models allows customers to connect to company resources from their laptops with the least amount of infrastructure?
- PaaS
- IaaS
- SaaS
- FaaS
Answer: C
Explanation:
Comprehensive and Detailed Explanation From Exact Extract: SaaS (Software as a Service) is a cloud model that allows users to access applications over the Internet without managing the infrastructure or platform. Users can log in via a browser or app on any device, such as a laptop, with minimal configuration required.
Computing Concepts SaaS provides “ready-to-use” applications and is ideal for organizations looking to minimize local infrastructure needs.