Telnet is used for _______

A. Television on net
B. Network of telephones
C. Remote login
D. Teleshopping site

Explanation: Telnet is an application layer protocol that provides access to the command line interface of a remote computer that can be used to perform remote login.

Which operating mode of telnet is full duplex?

A. Default mode
B. Server mode
C. Line mode
D. Character mode

Explanation: In line mode, terminal character processing is done on the client side but editing is enabled on the server side. Line mode reduces the number of packets and is useful for long delay networks.

If we want that a character be interpreted by the client instead of server _________

A. Interpret as command (iac) escape character has to be used
B. Control functions has to be disabled
C. It is not possible
D. Cli character has to be used

Explanation: The client must look at each byte that arrives and look for IAC escape character. If IAC is found, the client moves on to look for any other code or IAC. If the next byte is IAC – a single byte is presented by the client to the terminal. If IAC is followed by any other code than IAC, the client interprets this as a command.