SSCP Cryptography Practice Question
In X.509 certificate format, which field is used to specify the fully qualified domain name(s) for which the certificate is valid?
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
✓
Subject Alternative Name
The Subject Alternative Name (SAN) extension allows specifying multiple hostnames.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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Key Usage
Why it's wrong here
Key Usage defines the cryptographic operations allowed.
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Issuer
Why it's wrong here
Issuer is the CA that issued the certificate.
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Subject
Why it's wrong here
Subject is the common name, but SAN is used for multiple names.
- ✓
Subject Alternative Name
Why this is correct
SAN is the correct field.
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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.