CAS-004 Security Architecture Practice Question
An organization is implementing a software-defined perimeter (SDP) for zero trust network access. Which THREE characteristics are typical of an SDP architecture? (Choose three.)
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Applications are invisible to unauthorized users
SDP hides infrastructure, requires authentication before connectivity, and creates per-session encrypted tunnels.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Relies on IP-based allowlists
Why it's wrong here
Incorrect; SDP is identity-centric, not IP-based.
- ✓
Applications are invisible to unauthorized users
Why this is correct
Correct; SDP hides applications until authenticated.
- ✓
Creates encrypted tunnels per session
Why this is correct
Correct; SDP establishes dynamic, encrypted connections.
- ✗
Uses a single shared firewall for all traffic
Why it's wrong here
Incorrect; SDP uses distributed gateways.
- ✓
Requires device authentication before granting network access
Why this is correct
Correct; SDP authenticates both user and device.
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JA
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.