CAS-004 Security Operations Practice Question
Which of the following is a key benefit of using an Extended Detection and Response (XDR) solution over traditional Endpoint Detection and Response (EDR)?
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
✓
XDR provides centralized visibility across multiple security layers including endpoints, network, and cloud
XDR extends detection beyond endpoints to include network, email, cloud, and other data sources, providing broader visibility and correlation across the entire environment.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
XDR only works with a single vendor's products
Why it's wrong here
XDR can integrate with multiple products, though some solutions are vendor-specific.
- ✗
XDR eliminates the need for SIEM and SOAR systems
Why it's wrong here
XDR complements SIEM/SOAR but does not replace them entirely.
- ✗
XDR only focuses on network traffic analysis
Why it's wrong here
XDR covers multiple sources, not just network.
- ✓
XDR provides centralized visibility across multiple security layers including endpoints, network, and cloud
Why this is correct
XDR integrates data from various sources for holistic detection and response.
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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.