Which IPv6 address is valid?

Which IPv6 address is valid?

Which IPv6 address is valid?

A.
2001:0db8:0000:130F:0000:0000:08GC:140B

B.
2001:0db8:0:130H::87C:140B

C.
2031::130F::9C0:876A:130B

D.
2031:0:130F::9C0:876A:130B

Explanation:
An IPv6 address is represented as eight groups of four hexadecimal digits, each group
representing 16 bits (two octets). The groups are separated by colons (:). An example of an IPv6
address is 2001:0db8:85a3:0000:0000:8a2e:0370:7334. The leading 0’s in a group can be
collapsed using ::, but this can only be done once in an IP address.



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