单项选择题

What is the difference between the IPv6 addresses ：：/0 and ：：/128？（）

A.：：/0 is the unspecified address， and ：：/128 is the multicast address
B.：：/0 is the unicast address， and ：：/128 is the anycast address
C.：：/0 is the unicast address， and ：：/128 is the multicast address
D.：：/0 is the anycast address， and ：：/128 is the multicast address
E.：：/0 is the default route， and ：：/128 is the unspecified address
F.：：/0 is the anycast address， and ：：/128 is the default address

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多项选择题

What are two rules for compacting IPv6 addresses？（）

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？（）

A.All six routes will be installed in the routing table
B.Two routes will be installed in the routing table
C.Four routes will be installed in the routing table
D.All the routes were redistributed into BGP from an IGP
E.All the routes were originated by BGP with the network command

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 in the show ip bgp command output？（）

A.The network was originated via redistribution of an interior gateway protocol into BGP
B.The network was defined by a static route
C.The network was originated via a network or aggregate command
D.The network was learned via EBGP
E.The network was learned via IBGP