155. When a communication link is subject to monitoring, what is the advantage for using an end-to-end encryption solution over link encryption solution?

Вариант ответа 1 - A. Cleartext is only available to the sending and receiving entities.

Вариант ответа 2 - B. Routing information is included in the message transmission protocol.

Вариант ответа 3 - C. Routing information is encrypted by the originator.

Вариант ответа 4 - D. Each message has a unique encryption key.