Which of the following is the shortest valid abbreviation for
FE80:0000:0000:0000:0010:0000:0000:0123?
A.
FE80::10::123
B.
FE8::1::123
C.
FE80:0:0:0:10::123
D.
FE80::10:0:0:123
Explanation:
Inside a quartet, any leading 0s can be omitted, and one sequence of one or more
quartets of all 0s can be replaced with “::”. The correct answer replaces the longer
three-quartet sequence of 0s with ::.