Question

What is a public key infrastructure? select one:

a. a structure that provides all of the components needed for entities to communicate securely and in a predictable manner
b. a structure that enables secure communications in chat rooms, instant messaging, and text messaging
c. is a method of securing communications through the use of a single shared key
d. a structure that enables parties to use communications such as email?

Answer 1

Answer: c. a method of securing communications through the use of a single shared key

A typical PKI includes 4 key elements:

1) A trusted party called a CA (certificate authority);

2) A registration authority to issue certificate;

3) A certificate database, and

4) A certificate store,