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CompTIA JK0-U21 Exam Syllabus Topics:
| Section | Objectives |
| Topic 1: Troubleshooting and Support | - Basic troubleshooting methodology
- 1. Identifying common PC issues
- 2. Basic diagnostic steps
|
| Topic 2: Networking Fundamentals | - Basic networking concepts
- 1. LAN, WAN, and internet fundamentals
- 2. Network devices (router, switch, modem)
- Connectivity basics
- 1. Wired and wireless connections
- 2. Basic troubleshooting connectivity issues
|
| Topic 3: Security Fundamentals | - Basic security concepts
- 1. Malware awareness
- 2. Passwords and authentication basics
- Safe computing practices
- 1. Safe browsing and email usage
- 2. Data protection fundamentals
|
| Topic 4: Operating Systems and Software Basics | - Operating system concepts
- 1. File systems and basic OS functions
- 2. User interface concepts
- Software types
- 1. Basic software installation concepts
- 2. Application vs system software
|
| Topic 5: Computer Hardware Fundamentals | - Peripheral devices
- 1. Input/output devices and connectivity
- 2. Common hardware interfaces
- System components (CPU, RAM, storage devices)
- 1. Basic CPU architecture and function
- 2. Memory types and storage devices overview
|