Which option is a valid IPv6 address?
A.
2001:0000:130F: :099a: :12a
B.
2002:7654:A1AD:61:81AF:CCC1
C.
FEC0:ABCD:WXYZ:0067::2A4
D.
2004:1:25A4:886F::1
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A is invalid because : : cannot appear 2 times
C is in correct because WXYZ is not valid, only 1-F can be appear in IPv6 Address
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Why isn’t B a correct answer?
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B is wrong bcoz it has 6 octet , ipv6 must has 8 octet ,each octet has 16bit =====> 8*16=128bit
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