Question

question 13
which statement regarding the service password - encryption command is true?
it is configured in privileged exec mode.
as soon as the service password - encryption command is entered, all currently set passwords formerly displayed in plain text are encrypted.
it encrypts only line mode passwords.
to see the passwords encrypted by the service password - encryption command in plain text, issue the no service password - encryption command.

Explanation:

The service password - encryption command in Cisco IOS is configured in global configuration mode. Once entered, it encrypts all currently set passwords that were previously displayed in plain - text, including line mode and enable passwords. Disabling the encryption with no service password - encryption does not decrypt the passwords back to plain - text.

Answer:

As soon as the service password - encryption command is entered, all currently set passwords formerly displayed in plain text are encrypted.