Using the rules for IPv6 addressing, how can the address 2031:0000:240F:0000:0000:09C0:123A:121B be rewritten? Select the best response.
A.
2031:0:240F::09C0:123A:121B
B.
2031::240F::09C0:123A:121B
C.
2031::240F:9C0::123A:121B
D.
2031::240F:::09C0:123A:121B
Answer: A
Explanation:
Incorrect answers:
B. 2031: :240F ::09C0:123A:121B is incorrect because once, and only once, in an address,
sequential zeros can be replaced with a pair of colons (::)
C. 2031: :240F:9C0 ::123A:121B is incorrect because there is no zero between 9C0 and
123A.
D. 2031: :240F :::09C0:123A:121B is incorrect because triple : is not acceptable.