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SSCP · Question #619
SSCP Question #619: Real Exam Question with Answer & Explanation
The correct answer is C: X.509. X.509 is used in digital certificates. X.400 is used in e-mail as a message handling protocol. X.25 is a standard for the network and data link levels of a communication network and X.75 is a standard defining ways of connecting two X.25 networks.
Submitted by chiamaka_o· Apr 18, 2026Cryptography
Question
Which of the following standards concerns digital certificates?
Options
- AX.400
- BX.25
- CX.509
- DX.75
Explanation
X.509 is used in digital certificates. X.400 is used in e-mail as a message handling protocol. X.25 is a standard for the network and data link levels of a communication network and X.75 is a standard defining ways of connecting two X.25 networks.
Topics
#Digital Certificates#X.509 Standard#PKI#Standards
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