Equivalent Forms of IPv6 Address 2011:0000:0000:0000:2010:0000:0000:000F
Question
Which three are equivalent forms of the IPv6 address 2011:0000:0000:0000:2010:0000:0000:000F? (Choose three.)
Answers
Explanations
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A. B. C. D. E. F.ACD.
IPv6 addresses are 128-bit addresses represented in hexadecimal format. The address 2011:0000:0000:0000:2010:0000:0000:000F is a valid IPv6 address. However, there are different ways to represent the same IPv6 address, as long as the rules of IPv6 addressing are followed.
The following three are equivalent forms of the IPv6 address 2011:0000:0000:0000:2010:0000:0000:000F:
A. 2011:0:0:0:2010:0:0:F This representation omits the leading zeros in each 16-bit field. The result is the same 128-bit address with a shorter notation.
C. 2011:0:0000:0000:2010::000F This representation uses the "::" notation, which represents one or more groups of consecutive zeros. The "::" can only be used once in an IPv6 address, and it must represent one or more groups of consecutive zeros. In this case, the "::" represents two consecutive groups of zeros.
D. 2011::2010:0:0:F This representation also uses the "::" notation. Here, the "::" represents three consecutive groups of zeros.
Answers B, E, and F are not equivalent forms of the given IPv6 address.
B. 2011::2010::000F This representation has two "::" notations, which is not allowed in an IPv6 address.
E. 2011::201:0000:0000:000F This representation has an extra "0" in the third group, which changes the meaning of the address.
F. 2011::201:0010:0010:000F This representation has an extra "0" in the fourth group, which changes the meaning of the address.
In summary, the three equivalent forms of the IPv6 address 2011:0000:0000:0000:2010:0000:0000:000F are A. 2011:0:0:0:2010:0:0:F, C. 2011:0:0000:0000:2010::000F, and D. 2011::2010:0:0:F.
