Prepare with CompTIA JK0-U21 exam torrent, pass for sure

Updated: Sep 08, 2026

No. of Questions: 241 Questions & Answers with Testing Engine

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CompTIA JK0-U21 Exam Overview:

Certification Vendor:CompTIA
Exam Name:CompTIA Strata Fundamentals of PC Technology Exam
Exam Number:JK0-U21
Exam Price:Varies (retired exam; historically around $70–$100 USD)
Certificate Validity Period:Lifetime (no renewal; certification is retired)
Related Certifications:CompTIA A+
CompTIA IT Fundamentals (ITF+)
Real Exam Qty:Approximately 60 multiple-choice questions
Passing Score:Approximately 70%
Available Languages:English
Exam Format:Multiple-choice
Exam Duration:60 minutes
Sample Questions:CompTIA JK0-U21 Sample Questions
Exam Way:Computer-based testing (onsite at authorized test centers or online proctoring where available at the time of availability)
Pre Condition:No formal prerequisites; basic computer literacy recommended

CompTIA JK0-U21 Exam Syllabus Topics:

SectionObjectives
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
          Operating Systems and Software Basics- Software types
          • 1. Application vs system software
            • 2. Basic software installation concepts
              - Operating system concepts
              • 1. User interface concepts
                • 2. File systems and basic OS functions
                  Troubleshooting and Support- Basic troubleshooting methodology
                  • 1. Identifying common PC issues
                    • 2. Basic diagnostic steps
                      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
                              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

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