Q. 22 For which one of the following reason: does Internet Protocol (IP) use the timeto- live (TTL) field in the IP datagram header?
(A) Ensure packets reach destination within that time
(B) Discard packets that reach later than that time
(C) Prevent packets from looping indefinitely
(D) Limit the time for which a packet gets queued in intermediate routers
Answer: (C)
Explanation: