The following commands are entered on the router:
Burbank(config)# enable secret fortress
Burbank(config)# line con 0
Burbank(config-line)# login
Burbank(config-line)# password n0way1n
Burbank(config-line)# exit
Burbank(config)# service password-encryption
What is the purpose of the last command entered?
A.
to require the user to enter an encrypted password during the login process
B.
to prevent the vty, console, and enable passwords from being displayed in plain text in the
configuration files
C.
to encrypt the enable secret password
D.
to provide login encryption services between hosts attached to the router
Virtual Teletype (VTY)
Definition – What does Virtual Teletype (VTY) mean?
Virtual teletype (VTY) is a command line interface (CLI) created in a router and used to facilitate a connection to the daemon via Telnet, a network protocol used in local area networks. To connect to a VTY, users must present a valid password.
Techopedia explains Virtual Teletype (VTY)
The VTY interface has three restricted mode commands:
VTY View: Enables read-only interface access
VTY Enable: Enables read-write access to the CLI
VTY Other: Includes modes like Trivial File Transfer Protocol (TFTP)
VTY uses a set of CLI command actions, which depend on the three types of actions CLI can perform
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switch slot sub-slot & port.
0/0/0 or a/b/c
a is main slot on motherboard
b (optional) sub-slot on that main slot
c its the port no. on the card in that slot.
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