350-701 Security Concepts Practice Question
An organization wants to ensure that digital certificates issued by its internal CA are validated for revocation in real-time. Which protocol should be implemented to allow clients to check certificate status without downloading a full CRL?
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
✓
OCSP
OCSP (Online Certificate Status Protocol) enables real-time checking of a certificate's revocation status by querying the CA's responder, avoiding the need to download the entire CRL.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
SCEP
Why it's wrong here
SCEP is used for certificate enrollment, not revocation checking.
- ✗
EST
Why it's wrong here
EST is used for certificate enrollment over TLS, not revocation.
- ✓
OCSP
Why this is correct
OCSP provides real-time revocation status for individual certificates.
- ✗
CRL
Why it's wrong here
CRL is a list of revoked certificates that must be downloaded periodically, not real-time.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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