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Updated: Sep 18, 2026
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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 Format: | Multiple-choice |
| Exam Duration: | 60 minutes |
| 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 |
| Available Languages: | English |
| Passing Score: | Approximately 70% |
| Exam Price: | Varies (retired exam; historically around $70–$100 USD) |
| 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:
| Section | Objectives |
|---|---|
| Topic 1: Computer Hardware Fundamentals | - System components (CPU, RAM, storage devices)
|
| Topic 2: Operating Systems and Software Basics | - Software types
|
| Topic 3: Troubleshooting and Support | - Basic troubleshooting methodology
|
| Topic 4: Security Fundamentals | - Safe computing practices
|
| Topic 5: Networking Fundamentals | - Connectivity basics
|
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