Which of the following statements about a certification authority (CA) is true?

A.
It is a non-profit organization that sets security standards for e-commerce.

B.
It is a business-to-consumer (B2C) commerce model that is used for high-volume transactions.

C.
It is a trusted third-party organization that issues digital certificates to create digital
signatures and public key pairs.

D.
It issues physical certificates that confirm the identity of entities.

Explanation: