UTpaper

Free mock tests & test series

Question 6Asked in DSSSB TGT Computer Science (Technical), 12 Sep 2025, Shift 3 (5:00 PM)

What does an ICMP Destination Unreachable message indicate?

  1. AThe packet’s checksum is invalid.
  2. BThe destination host or network is unreachable.
  3. CThe packet has reached its destination.
  4. DThe destination IP address is incorrect.
Show answerHide answer

Correct answer: (B) The destination host or network is unreachable.

Explanation

ICMP Destination Unreachable (type 3) is sent by a router or host when a packet cannot be delivered to the destination network, host, protocol or port.

From DSSSB TGT Computer Science PYQ (Technical), 12 Sep 2025, Shift 3 (5:00 PM)

This is question 6 of DSSSB TGT Computer Science PYQ (Technical), 12 Sep 2025, Shift 3 (5:00 PM). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.