SSCP Cryptography Practice Question
A PKI administrator needs to check the revocation status of a digital certificate without requiring the client to download the entire CRL. Which method is designed for online, real-time certificate status checking?
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) allows real-time checking of a certificate's revocation status without downloading the full 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.
- ✓
OCSP
Why this is correct
OCSP provides real-time status.
- ✗
OCSP stapling
Why it's wrong here
OCSP stapling is a performance optimization, but OCSP itself is the protocol.
- ✗
CRL
Why it's wrong here
CRL requires downloading the full list.
- ✗
Certificate transparency
Why it's wrong here
Certificate transparency is not for revocation.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This SSCP practice question is part of Courseiva's free ISC2 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 SSCP exam.