PART 1: CORE 1 (220-1201)

Chapter 1: Mobile Devices
Focus: Installation, configuration, troubleshooting

Key Concepts:

• Laptop hardware

  • Replaceable components: RAM, storage, battery, keyboard

  • Docking stations & port replicators

• Mobile device types

  • Smartphones, tablets, wearables

• Connectivity

  • Wi-Fi, Bluetooth, NFC, cellular (4G/5G)

• Mobile OS features

  • Android vs iOS differences

  • App management and permissions

• Email & synchronization

  • IMAP vs POP3 vs Exchange

• Security

  • Screen locks, biometrics, remote wipe

Troubleshooting:

• No connectivity → check Airplane mode, Wi-Fi settings

• Battery drain → background apps, screen brightness

Chapter 2: Networking

Focus: Networking fundamentals & configuration

Key Concepts:

• IP addressing

  • IPv4 vs IPv6

  • Public vs private IP

• Ports & Protocols

  • HTTP (80), HTTPS (443), FTP (21), SSH (22), RDP (3389)

• Network devices

  • Router, switch, modem, access point

• Wireless standards

  • Wi-Fi 5, Wi-Fi 6

• Cabling

  • Fiber, coaxial, twisted pair

Networking Tools:

• ping, ipconfig, tracert, nslookup

Troubleshooting:

• No internet → check IP config, DNS, gateway

• Slow network → interference, bandwidth issues

Chapter 3: Hardware

Focus: PC components and peripherals

Core Components:

• CPU (cores, threads, clock speed)

• RAM (DDR4/DDR5)

• Storage:

  • HDD vs SSD vs NVMe

• Motherboard (chipsets, sockets)

• Power Supply (wattage)

Peripherals:

• Printers (laser, inkjet, thermal)

• Displays (LCD, LED, OLED)

Installation:

• BIOS/UEFI configuration

• Expansion cards (GPU, NIC)

Chapter 4: Virtualization & Cloud Computing

Focus: Modern infrastructure

Virtualization:

• Hypervisors (Type 1 vs Type 2)

• Virtual machines (VMs)

Cloud Models:

• SaaS (Software as a Service)

• PaaS (Platform as a Service)

• IaaS (Infrastructure as a Service)

Cloud Concepts:

• Scalability

• High availability

• Resource pooling

Chapter 5: Hardware & Network Troubleshooting

Focus: Problem-solving skills

Troubleshooting Steps:

1. Identify problem

2. Establish theory

3. Test theory

4. Plan solution

5. Verify functionality

6. Document findings

Common Issues:

• No POST → RAM or motherboard issue

• Overheating → cooling failure

• Network drop → cable or interference

PART 2: CORE 2 (220-1202)

Chapter 6: Operating Systems

Focus: Installation and management

Windows:

• Versions: Windows 10/11

• Tools:

  • Task Manager

  • Device Manager

  • Disk Management

• File systems:

  • NTFS, FAT32, exFAT

Command Line:

• Windows: ipconfig, sfc, chkdsk

• Linux: ls, cd, chmod, sudo

Other OS:

• macOS basics

• Linux distributions

Chapter 7: Security

Focus: Protecting systems and data

Threats:

• Malware (virus, ransomware, spyware)

• Phishing & social engineering

Security Measures:

• Firewalls

• Antivirus

• Encryption

• MFA (Multi-Factor Authentication)

Physical Security:

• Locks, badges, biometrics

Chapter 8: Software Troubleshooting

Focus: Diagnosing software issues

OS Issues:

• Boot failures

• Blue screen errors

• Slow performance

Malware Removal Process:

1. Identify malware

2. Quarantine system

3. Remove malware

4. Update system

5. Educate user

Chapter 9: Operational Procedures

Focus: IT professionalism & processes

Documentation:

• Ticketing systems

• Change management

Safety:

• ESD protection

• Proper disposal (e-waste)

Communication:

• Professional behavior

• Customer service skills

Scripting Basics:

• Basic automation (PowerShell, Bash)