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Instant Download CompTIA : JK0-U21 Questions & Answers as PDF & Test Engine
- Exam Code: JK0-U21
- Exam Name: CompTIA Strata Fundamentals of PC Technology Exam
- Updated: Aug 17, 2026
- No. of Questions: 241 Questions and Answers
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CompTIA JK0-U21 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Security & Green IT | 10% | - Basic physical and digital security - Energy efficiency and disposal practices |
| Topic 2: Operating Systems & Software | 20% | - OS installation and upgrades - Application software basics - Device drivers and updates |
| Topic 3: Compatibility & Installation | 25% | - Component installation and configuration - Hardware compatibility standards - Firmware/BIOS/UEFI settings |
| Topic 4: PC Hardware Components | 30% | - Peripheral devices
|
| Topic 5: Maintenance & Troubleshooting | 15% | - Safety and environmental guidelines - Preventive maintenance procedures - Common hardware problems and solutions |
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