多项选择题
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.
多项选择题 What are the two reasons for the appearance of 0.0.0.0 as the next hop for a network when using the "show ip bgp" c ommand?（）
多项选择题 Which three of the statements below correctly describe the characteristics of Autonomous Systems in routed networks?（）
多项选择题 Which three conditions can cause BGP n eighbor establishment to fail?（）