Linux+
CompTIA Linux+
CompTIA Linux+
› Quality score
Four-axis SecProve rubric, each 0–10. SecProve editorial assessment — each axis carries a written justification so you can push back on any single call without dismissing the whole score.
› Market signals
public, citable inputs to the recognition score› Exam format
Max. 90 questions (multiple-choice + performance-based), 90 minutes, proctored via Pearson VUE. Passing score: 720/900.
First retake immediate; 14-day wait before each subsequent attempt. Retake fee equals the standard exam fee.
› Recertification
Valid for 3 years. Renewal via 30 CEUs or higher CompTIA cert or re-exam.
› NICE Framework work roles
The NIST NICE work-role IDs this cert maps to. NICCS lookup.
› Core domains covered
The 1 domain this cert is centrally about. Passing the exam demonstrates working knowledge of each.
› Prerequisites
No formal prerequisites. Recommended: A+ and 12 months Linux experience.
› Study materials
Curated starting points. Not exhaustive — vet each against your learning style and the current exam version.
- CompTIA Linux+ (XK0-005) Study Guide — Sybex / Pearson IT Certification
- CompTIA CertMaster Learn + Labs
- Professor Messer (free)
- Jason Dion (Udemy)
- Boson ExSim-Max for Linux+ (XK0-005)
- Jason Dion Practice Exams (Udemy)
› Version & lifecycle
› Salary signal
Junior Linux admin / DevOps practitioner, US, 1-3 years.
Robert Half Salary Guide · 2024 · US base only · p25–p75 range
› How it compares
Linux+ is MCQ + perf items; LFCS is fully hands-on lab. LFCS carries more practical weight.
↔ Compare side-by-sideLinux+ is vendor-neutral; RHCSA is Red Hat-specific with hands-on lab exam.
↔ Compare side-by-side› Common exam traps to study
Cybersecurity cert exams reuse the same 25 distractor patterns over and over — category confusion, RTO vs RPO, IDS vs IPS, MD5 vs SHA-256, and more. Once you can name the trap, you stop falling for it. Each archetype page covers what it is, the specific pairs candidates confuse, and how to avoid it.
See this cert’s domains highlighted on the interactive map, or compare it against the rest of the catalog.