GATE 2021 CS-Set-1
October 11, 2023Digital-Logic-Design
October 11, 2023Computer-Networks
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Question 47
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For which one of the following reasons does Internet Protocol (IP) use the time-to- live (TTL) field in the IP datagram header?
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Ensure packets reach destination within that time
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Discard packets that reach later than that time
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Prevent packets from looping indefinitely
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Limit the time for which a packet gets queued in intermediate routers
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Question 47 Explanation:
It prevent infinite looping over network . Because each router decrease its value by one and when this (TTL) value become zero , then it is discarded by router silently.
Correct Answer: C
Question 47 Explanation:
It prevent infinite looping over network . Because each router decrease its value by one and when this (TTL) value become zero , then it is discarded by router silently.
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