CAS-004 Security Operations Practice Question
Which of the following best describes the purpose of the STIX and TAXII standards in threat intelligence sharing?
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
✓
They standardize the format and exchange of cyber threat intelligence
STIX (Structured Threat Information Expression) is a language for describing threat intelligence, and TAXII (Trusted Automated Exchange of Intelligence Information) is a protocol for exchanging that intelligence. Together they enable automated sharing of threat data.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
They are tools for analyzing malware behavior in a sandbox environment
Why it's wrong here
STIX/TAXII are not analysis tools; they are for data sharing.
- ✗
They are used to automatically patch vulnerabilities based on threat feeds
Why it's wrong here
STIX/TAXII do not perform patching; they share threat information.
- ✗
They provide a framework for conducting incident response exercises
Why it's wrong here
STIX/TAXII are not for exercises; they are for threat intelligence sharing.
- ✓
They standardize the format and exchange of cyber threat intelligence
Why this is correct
STIX defines the data model, TAXII defines the transport mechanism for sharing threat intelligence.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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