For which one of the following reasons does internet protocol (IP) use the time-to live(TTL) field in IP datagram header ?

GATE 2006 Previous Year Paper Solution Question 2 – Network & Transport layer

In this video you will get to know the answer of question which was asked in the exam of GATE 2006.

Question :- For which one of the following reasons does internet protocol (IP) use the time-to live(TTL) field in IP datagram header ?

1. Ensure packets reach destination within that time
2. Discard packets that reach later than that time
3. Prevent packets from looping indefinitely
4. Limit the time for which a packet gets queued in intermediate routers

Solution is given in the video.