CAS-004 Security Operations Practice Question
A security team is implementing a threat intelligence program and wants to consume intelligence from various sources. Which TWO of the following are commonly used threat intelligence feeds or sharing mechanisms? (Select TWO.)
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
✓
ISACs
STIX/TAXII is a standard for sharing threat intelligence, and ISACs are industry-specific sharing groups.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
DNS
Why it's wrong here
DNS is a protocol, not a threat intel feed.
- ✗
SMTP
Why it's wrong here
SMTP is for email, not threat intel feeds.
- ✗
HTTP
Why it's wrong here
HTTP is a web protocol, not a threat intel feed.
- ✓
ISACs
Why this is correct
Information Sharing and Analysis Centers are industry-specific sharing communities.
- ✓
STIX/TAXII
Why this is correct
STIX is a language, TAXII is a protocol for sharing threat intel.
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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.