CompTIA JK0-U21 Q&A - in .pdf

  • Exam Code: JK0-U21
  • Exam Name: CompTIA Strata Fundamentals of PC Technology Exam
  • Updated: Aug 01, 2026
  • Q & A: 241 Questions and Answers
  • PDF Price: $59.98
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CompTIA JK0-U21 Q&A - Testing Engine

  • Exam Code: JK0-U21
  • Exam Name: CompTIA Strata Fundamentals of PC Technology Exam
  • Updated: Aug 01, 2026
  • Q & A: 241 Questions and Answers
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CompTIA JK0-U21 Exam Syllabus Topics:
SectionObjectives
Topic 1: Networking Fundamentals- Basic networking concepts
  • 1. LAN, WAN, and internet fundamentals
    • 2. Network devices (router, switch, modem)
      - Connectivity basics
      • 1. Basic troubleshooting connectivity issues
        • 2. Wired and wireless connections
          Topic 2: Operating Systems and Software Basics- Operating system concepts
          • 1. File systems and basic OS functions
            • 2. User interface concepts
              - Software types
              • 1. Application vs system software
                • 2. Basic software installation concepts
                  Topic 3: 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
                          Topic 4: Security Fundamentals- Safe computing practices
                          • 1. Data protection fundamentals
                            • 2. Safe browsing and email usage
                              - Basic security concepts
                              • 1. Passwords and authentication basics
                                • 2. Malware awareness
                                  Topic 5: Troubleshooting and Support- Basic troubleshooting methodology
                                  • 1. Basic diagnostic steps
                                    • 2. Identifying common PC issues

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