Match each security tier or model to its description.
Drag a concept onto its matching description — or click a concept then click the description.
Highest privilege assets like domain controllers
Server and application administration
User workstations and devices
Separates admin accounts by sensitivity
Never trust, always verify
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Tier 0: Direct control of enterprise identity and security
Tier 0 is the highest privilege tier controlling identity and security; Tier 1 controls servers and applications; Tier 2 controls user devices. Zero Trust is a model that eliminates implicit trust.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Tier 0: Direct control of enterprise identity and security
Why this is correct
Tier 0 includes accounts, groups, and systems with direct control over the identity and security infrastructure.
Tier 1: Control of servers and applications
Why this is correct
Tier 1 consists of servers, applications, and services that support enterprise operations.
Tier 2: Control of user workstations and devices
Why this is correct
Tier 2 includes user endpoints such as desktops, laptops, and mobile devices.
Zero Trust: Never trust, always verify
Why this is correct
Zero Trust is a security model that requires continuous verification of every request regardless of source.
Tier 0: Control of servers and applications
Why it's wrong here
This definition belongs to Tier 1, not Tier 0.
Zero Trust: Trust but verify
Why it's wrong here
Zero Trust explicitly rejects 'trust but verify'; it requires never trusting by default.
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About these practice questions
One of 968 original CAS-005 practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. Learn why practice questions differ from exam dumps →
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CAS-005 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CAS-005 exam.