CompTIA JK0-U21 Exam Information and Actual Questions

JK0-U21
FREE EXAM DUMPS QUESTIONS & ANSWERS

Certification Vendor:	CompTIA
Exam Name:	CompTIA Strata Fundamentals of PC Technology Exam
Exam Number:	JK0-U21
Available Languages:	English
Exam Duration:	60 minutes
Passing Score:	Approximately 70%
Certificate Validity Period:	Lifetime (no renewal; certification is retired)
Exam Price:	Varies (retired exam; historically around $70–$100 USD)
Exam Format:	Multiple-choice
Related Certifications:	CompTIA A+ CompTIA IT Fundamentals (ITF+)
Real Exam Qty:	Approximately 60 multiple-choice questions
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

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