Download CompTIA : JK0-U21 Questions & Answers as PDF & Test Software
Updated: Sep 12, 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 Number: | JK0-U21 |
| Exam Duration: | 60 minutes |
| Exam Price: | $119 USD |
| Passing Score: | 70% |
| Related Certifications: | CompTIA A+ CompTIA Security+ CompTIA Network+ |
| Certificate Validity Period: | Valid for life (no expiration) |
| Exam Format: | Multiple Choice |
| Real Exam Qty: | 35–70 |
| Available Languages: | English |
| Recommended Training: | CompTIA e-Learning CompTIA Official Study Guide |
| Exam Registration: | Pearson VUE Scheduling CompTIA Official Registration |
| Sample Questions: | CompTIA JK0-U21 Sample Questions |
| Exam Way: | In-person at Pearson VUE centers / Online proctored |
| Pre Condition: | No formal prerequisites; basic computer knowledge recommended |
| Official Syllabus URL: | https://www.comptia.org/certifications/retired-certifications/strata |
CompTIA JK0-U21 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: PC Hardware Components | 30% | - Internal components
|
| Topic 2: Operating Systems & Software | 20% | - Device drivers and updates - OS installation and upgrades - Application software basics |
| Topic 3: Compatibility & Installation | 25% | - Component installation and configuration - Hardware compatibility standards - Firmware/BIOS/UEFI settings |
| Topic 4: Security & Green IT | 10% | - Basic physical and digital security - Energy efficiency and disposal practices |
| Topic 5: Maintenance & Troubleshooting | 15% | - Common hardware problems and solutions - Preventive maintenance procedures - Safety and environmental guidelines |
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