What are two rules for compacting IPv6 addresses? (Choose two.)

A.
Every 16-bit segment segment that consists of all zeroes can be represented with a single
colon.

B.
The trailing zeroes in any 16-bit segment do not have to be written.

C.
The leading zeroes in any 16-bit segment do not have to be written.

D.
Any single, continuous string of one or more 16-bit segments that consists of all zeroes
can be represented with a double colon.

E.
The maximum number of times a double colon can replace a 16-bit segment that consists
of all zeroes is two.

F.
Two zeroes in the middle of any 16-bit segment do not have to be written.