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The TTL field has value 10. How many routers (max) can process this datagram?

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The TTL field has value 10. How many routers (max) can process this datagram?

(a) 11

(b) 5

(c) 10

(d) 1

I had been asked this question in a job interview.

Question is from IPv4 topic in chapter TCP/IP Protocol Suite of Computer Network

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Correct choice is (c) 10

The explanation: TTL stands for Time to Live. This field specifies the life of the IP packet based on the number of hops it makes (Number of routers it goes through). TTL field is decremented by one each time the datagram is processed by a router. When the value is 0, the packet is automatically destroyed.

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