What are two valid IPv6 addresses? (Choose two.)
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A. B. C. D.AD
IPv6 addresses are 128-bit addresses, which are used to identify devices on a network. IPv6 addresses consist of 8 groups of 16-bit hexadecimal values separated by colons (:). In this question, we are asked to identify two valid IPv6 addresses out of the four options provided.
Let's go through each option one by one and check if they are valid IPv6 addresses:
A. 2bfc::02:0:0:fec:5c This address is valid as it contains 8 groups of 16-bit hexadecimal values, separated by colons. The double colons represent consecutive groups of zeros and can only appear once in an address.
B. 2bfc::2::fec:5c This address is not valid because it contains consecutive colons (::) followed by another colon (:), which is not allowed in an IPv6 address.
C. 2bfc:2:0:0:fec:5c This address is valid as it contains 8 groups of 16-bit hexadecimal values, separated by colons.
D. 2bfc:0:0:2::fec:5c This address is valid as it contains 8 groups of 16-bit hexadecimal values, separated by colons. The double colons represent consecutive groups of zeros and can only appear once in an address.
Therefore, the two valid IPv6 addresses from the given options are: