Which of these are true about PKI and encryption?

There is some dispute between two network administrators at your company. Your boss asks you
to come and meet with the administrators to set the record straight. Which of these are true about
PKI and encryption?
Select the best answers.

A.
PKI provides data with encryption,compression,and restorability.

B.
Public-key encryption was invented in 1976 by Whitfield Diffie and Martin Hellman.

C.
When it comes to eCommerce,as long as you have authenticity,and authenticity,you do not
need encryption.

D.
RSA is a type of encryption.

Explanation:
PKI provides confidentiality,integrity,and authenticity of the messages exchanged
between these two types of systems. The 3rd party provides the public key and the receiver
verifies the message with a combination of the private and public key. Public-key encryption WAS
invented in 1976 by Whitfield Diffie and Martin Hellman. The famous hashing algorithm DiffieHellman was named after them. The RSA Algorithm is created by the RSA Security company that
also has created other widely used encryption algorithms.