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Password recovery
Because the telnet session is in clear text and programs can capture the passwords to log in to telnet sessions.
Show sessions command
The correct answer is VTY.
The user needs an account and password and responds appropriately when ftp or telnet asks for the credentials.
Telnet
The entries specify four Telnet lines for remote access. Access will be permitted for Telnet using "c13c0" as the password
On user exec mode type enable.When you are on the privilege mode type configure terminal.Upon reaching global config mode you have to type line vty 0 4.Inside the vty line mode type password Please see below example:Router>enableRouter#configure terminalEnter configuration commands, one per line. End with CNTL/Z.Router(config)#line vty 0 4Router(config-line)#password secretRouter(config-line)#exitRouter(config)#exit
Telnet
sets the password to be used for connecting to this router via Telnet
It is a good idea to change the information associated with Telnet. You should change your password, username and any accounts associated with the company.