Multiple choice technology security

Digital certificate contains which below mention feature?

  1. The certificate expiry date

  2. The principle's private key

  3. The principle's private and public key

  4. None of above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Digital certificates (X.509) contain the certificate expiry date, subject identity, issuer information, and the subject's PUBLIC KEY - but NEVER the private key. The private key must remain secret and is stored separately by the certificate holder. Option B and C are wrong because certificates don't contain private keys. Option A is correct as expiry date is a standard certificate field.

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