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The size of an IP address in IPv6 is _________

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The size of an IP address in IPv6 is _________

(a) 32 bits

(b) 64 bits

(c) 128 bits

(d) 265 bits

I have been asked this question in semester exam.

The question is from Internet topic in section Wireless LAN’s, Electronic Mail and File Transfer of Computer Network

1 Answer

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Best answer
Right answer is (c) 128 bits

Explanation: An IPv6 address is 128 bits long. Therefore, 2128 i.e. 340 undecillion addresses are possible in IPv6. IPv4 has only 4 billion possible addresses and IPv6 would be a brilliant alternative in case IPv4 runs out of possible new addresses.

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