Beginner
Cybersecurity & Cryptography
Q6 / 100
What is a public key certificate?
Correct! Well done.
Incorrect.
The correct answer is B) A digitally signed document binding a public key to an identity, issued and signed by a Certificate Authority (CA)
B
Correct Answer
A digitally signed document binding a public key to an identity, issued and signed by a Certificate Authority (CA)
Explanation
X.509 certificates bind a public key to a domain/entity, signed by a trusted CA. Browsers trust the CA hierarchy. Used in TLS/HTTPS for server authentication.
Progress
6/100