System Administrator 2026
Which amongst the following statements is correct for “character at a time” mode?
  • A. Character processing is done on the local system under the control of the remote system
  • B. Most text typed is immediately sent to the remote host for processing
  • C. All text is echoed locally, only completed lines are sent to the remote host
  • D. All text is processed locally, and only confirmed lines are sent to the remote host
What is the correct syntax to be written in the web browser to initiate a Telnet connection to www.sanfoundry.com?
  • A. Telnet//www.sanfoundry.com
  • B. Telnet:www.sanfoundry.com
  • C. Telnet://www.sanfoundry.com
  • D. Telnet www.sanfoundry.com
Telnet is used for _______
  • A. Television on net
  • B. Network of telephones
  • C. Remote login
  • D. Teleshopping site
Which operating mode of telnet is full duplex?
  • A. Default mode
  • B. Server mode
  • C. Line mode
  • D. Character mode
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
Which of the following is false with respect to UDP?
  • A. Connection-oriented
  • B. Unreliable
  • C. Transport layer protocol
  • D. Low overhead
Return value of the UDP port “Chargen” is _______
  • A. String of characters
  • B. String of integers
  • C. Array of characters with integers
  • D. Array of zero’s and one’s
Beyond IP, UDP provides additional services such as _______
  • A. Routing and switching
  • B. Sending and receiving of packets
  • C. Multiplexing and demultiplexing
  • D. Demultiplexing and error checking