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An IP packet has arrived with the first 8 bits as 01000010. What is the version?(a) 3(b) 4(c) 5(d) 6This question was addressed to me at a job interview.This intriguing question originated from IP Datagram Packet in section Internet Protocol, Network Addressing and Transport Level Security of Cryptograph & Network Security

Answer»

Right answer is (b) 4

Easy explanation: The first 4-bits SHOW the VERSION i.e. 0100 -> version 4.



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