CAS-004 Security Engineering Practice Question
A PKI administrator is deploying certificates for code signing. Which certificate type should be used to ensure that the signed code can be verified by clients without requiring a full chain validation?
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
✓
Code signing certificate
Code signing certificates are specifically designed for signing software; they are typically issued by a publicly trusted CA.
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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EV certificate
Why it's wrong here
EV is for extended validation of organizations, for code signing it is possible but not required; the question asks for the type used for code signing.
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S/MIME certificate
Why it's wrong here
S/MIME is for email signing/encryption.
- ✓
Code signing certificate
Why this is correct
Code signing certificates are specifically for signing code and are trusted by operating systems.
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DV certificate
Why it's wrong here
DV only validates domain control, not suitable for code signing.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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