The item marked 1 in the accompanying figure is the ____ layer.

The security administrator wants each user to individually decript a message but allow anybody to encrypt it. Which of the following MUST be implemented to allow this type of authorization?

A. Use of CA certificate B. Use of public keys only C. Use of private keys only D. Use of public and private keys

In the accompanying figure, click the item marked ____ to switch to the remote site files.

A. 2 B. 3 C. 4 D. 5