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CompTIA Strata Fundamentals of PC Technology : JK0-U21 Exam

JK0-U21 actual test
  • Exam Code: JK0-U21
  • Exam Name: CompTIA Strata Fundamentals of PC Technology Exam
  • Updated: Sep 05, 2026
  • Q & A: 241 Questions and Answers
  • PDF Demo
  • PC Test Engine
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  • Total Price: $59.99  

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CompTIA JK0-U21 Exam Syllabus Topics:

SectionObjectives
Troubleshooting and Support- Basic troubleshooting methodology
  • 1. Basic diagnostic steps
    • 2. Identifying common PC issues
      Computer Hardware Fundamentals- System components (CPU, RAM, storage devices)
      • 1. Basic CPU architecture and function
        • 2. Memory types and storage devices overview
          - Peripheral devices
          • 1. Input/output devices and connectivity
            • 2. Common hardware interfaces
              Operating Systems and Software Basics- Operating system concepts
              • 1. User interface concepts
                • 2. File systems and basic OS functions
                  - Software types
                  • 1. Application vs system software
                    • 2. Basic software installation concepts
                      Networking Fundamentals- Basic networking concepts
                      • 1. Network devices (router, switch, modem)
                        • 2. LAN, WAN, and internet fundamentals
                          - Connectivity basics
                          • 1. Wired and wireless connections
                            • 2. Basic troubleshooting connectivity issues
                              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

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