单项选择题X 纠错

A. 2001:0DB8:417A
B. 2001::0DB8::417A
C. 2001:::0DB8::417A
D. 2001:0D B8:0:0:417A
E. 2001::DB8:0:0:417A
F. 2001:::0DB8:0:0:417A

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多项选择题

A. An IPv6 address is 128 bits long.
B. An IPv6 header contains the header checksum field.
C. An IPv6 header is 20 bits long.
D. An IPv6 header contains the next header field.
E. IPv6 route rs send RA messages.
F. An IPv6 header contains the protocol field.

单项选择题

A. OSPFv3 for IPv6 authen tication is supported by IPv6 IPsec.
B. OSPFv3 for IPv6 authentication is supported by MD5 authentication.
C. OSPFv3 for IPv6 authentication is supported by IPv4 IPsec.
D. OSPFv3 for IPv6 authentication is supported by SHA - 1 authentication.

单项选择题

A. ::/0 is the default route, and ::/128 is the unspecified address.
B. ::/0 is the unicast address, and ::/128 is the anycast address.
C. ::/0 is the anycast address, and ::/128 is the multicast address.
D. ::/0 is the unicast address, and ::/12 8 is the multicast address.
E. ::/0 is the unspecified address, and ::/128 is the multicast address.
F. ::/0 is the anycast address, and ::/128 is the default address.

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

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 learned via IBGP.
D. The network was learned via EBGP.
E. The network was  originated via a network or aggregate command.

多项选择题

A. Within an AS, all routers must run either BGP or IBGP.
B. An AS uses exterior gatew ay protocols (EGPs) to exchange information with other autonomous systems.
C. An AS is a group of routers under the same technical administration.
D. Within an AS, routes learned through BGP can be redistributed using interior gateway protocols.
E. Wi thin an AS, routes learned through an interior protocol cannot be redistributed using BGP to other autonomous systems.

多项选择题

A. The IBGP neighbor is not directly connected.
B. BGP synchronization is enabled in a transit autonomous system with fully - meshed IBGP neighbors.
C. The EBGP neighbor ebgp - multihop option is set to the de fault value.
D. The BGP update interval is different between the two BGP neighbors.
E. The BGP neighbor is referencing an incorrect autonomous system number in its neighbor statement.
F. There is an access list blocking all TCP traffic between the two  BGP neighbors.

单项选择题

A. show ip bgp paths
B. show ip bgp peers
C. show ip bgp
D. show ip bgp summary

多项选择题

A. using aggregate routes
B. defining routes via the network statement
C. disablin g synchronization
D. forcing the next - hop address

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