单项选择题

A. AS pathB. Split horizonC. Poison reverseD. Unicast R……

Which mechanism does External BGP use to prevent the formation of routing loops?（）

A. AS path
B. Split horizon
C. Poison reverse
D. Unicast RPF check

<上一题目录下一题>

热门试题

单项选择题By default, which JUNOS software routing table contains IPv6 unicast routes?（）

A.inet.6
B.ipv6.0
C.inet0
D.inet6.0

单项选择题What is the purpose of IS-IS level boundaries?（）

A. Restrain the formation of adjacencies.
B. Control the flooding scope of link-state PDUs.
C. Partition the L2 backbone into multiple domains.
D. Aggregate L1 domains into a contiguous backbone.

单项选择题Which mechanism accommodates the use of overlapping addresses in 2547bis VPNs?（）

A. policies
B. route origins
C. route targets
D. route distinguishers

多项选择题In which two ways can the router ID selection be controlled?（）

A. Manually assign rid.
B. configure local-address.
C. enable the fxp0 interface.
D. Assign nonmartian address to lo0.

单项选择题Why does IS-IS use the SPF algorithm?（）

A. to determine the pseudonode ID
B. to determine the next hop to a given destination
C. to determine the complete path to a given destination
D. to determine the number of routers present in a given area