多项选择题
A.The maximum number of times a double colon can replace a 16-bit segment that consists of all zeroes is two
B.The leading zeroes in any 16-bit segment do not have to be written.
C.Every 16-bit segment that consists of all zeroes can be represented with a single colon
D.The trailing zeroes in any 16-bit segment do not have to be written.
E.Any single， continuous string of one or more 16-bit segments that consists of all zeroes can be represented with a double colon
F.Two zeroes in the middle of any 16-bit segment do not have to be written
多项选择题 Refer to the exhibit. Which two statements are correct？（）
多项选择题 Whatarethetworeasonsfortheappearanceof0.0.0.0asthenexthopforanetworkintheshowipbgpcommandoutput？（）
单项选择题 Refer to the exhibit. EIGRP has been configured on all routers in the network. What additional configuration statement should be included on router R4 to advertise a default route to its neighbors？（）