鸡尾酒会效应：在鸡尾酒会上，很多人在同时进行着各种交谈，但一个人同一个时刻只能注意和参与其中

Router R1. Which of the following can be determined from this output？（）Network Next Hop Metric LocPrf Weight Path* 130.1.1.0/28 1.1.1.1 0 1 2 3 4 i

A. The route is learne d from an eBGP peer

B. The route has no more than three ASNs in the AS_PatH

C. The route is the best route for this prefix

D. None of these facts can be positively determined by this output

In what BGP neighbor state is neighbor 1.1.1.1？（）Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/DownState/PfxRcd1.1.1.1 4 1 60 61 26 0 0 00:45:0102.2.2.2 4 3 153 159 26 0 0 00:38:131

A. Idle

B. Opensent

C. Active

D. Established

the following is true based on this output？（）R1 show ip bgp 19 0.1.0.0/16BGP routing table entry for 190.1.0.0/16, version 121Paths: (1 available, best 1, table Default - IP - Routing - Table)Advertised to update - groups:11 2 3 41.1.1.1 from 2.2.2.2 (3.3.3.3)Origin IGP, metric 0, localpref 100, valid, internal, best

A. R1 has a neighbor 1.1.1.1 command configured.

B. R1 has a neighbor 2.2.2.2 command configured.

C. The show ip bgp command lists a line for 190.1.0.0/16 with both an ">" and an "i" on the left.

D. R1 is in ASN 1.

the following is true based on this output？（）R1 show ip bgp 190.1.0.0/16BGP routing table entry for 190.1.0.0/16, version 121Paths: (1 available, best 1, table Default - IP - Routing - Table)Advertised to update - groups:11 2 3 41.1.1.1 from 2.2.2.2 (3.3.3.3)Origin IGP, metric 0, localpref 100, valid, internal, best

A. R1 has a neighbor 1.1.1.1 command configured.

B. R1 has a neighbor 2.2.2.2 command configured.

C. The show ip bgp command lists a line for 190.1.0.0/16 with both a n > and an i on the left.

D. R1 is in ASN 1.

m this output？（）R1 show ip route 180.1.1.0 255.255.255.240Routing entry for 180.1.1.0/28Known via "bgp 2", distance 20, metric 0Tag 3, type externalLast update from 192.168.1.2 00:10:27 agoRouting Descriptor Blocks:* 192.168.1.2, from 19 2.168.1.2, 00:10:27 agoRoute metric is 0, traffic share count is 1AS Hops 2Route tag 3

A. The type of BGP peer (iBGP or eBGP) that advertised this route to R1

B. R1‘s ASN

C. The next - hop router‘s ASN

D. The AS_Path length

A. show ip route bgp

B. show ip bgp

C. show ip bgp neighbors

D. show ip bgp summary

A. The LSA was created by an ABR due to an area range command.

B. The LSA was created by an ASBR due to a summary - address command.

C. If cr eated by an area range command, the best metric for a subordinate subnet on that ABR must have been 11.

D. None of the other answers is correct.

enter subnets.Which one of the following commands is most likely to show you all the possible next - hop IP addresses for these four possible routes？（）

A. show ip eigrp topology

B. show ip eigrp topology all - links

C. show ip route eigrp

D. show ip route eigrp all - links

E. show ip eigrp topology all - learned

A. The next routing update can be expected in 35 seconds.

B. The IP address 10.10.10.6 is configured on S0/1.

C. The IP address 10.10.10.8 is configured on S0/1.

D. This route is using the default administrative distance.

E. The 10.10.10.8 network is two hops away from this router.

A.The next routing update can be expected in 35 seconds.

B.The IP address 10.10.10.6 is configured on S0/1.

C.The IP address 10.10.10.8 is configured on S0/1.

D.This route is using the default administrative distance.

E.The 10.10.10.8 network is two hops away from this router.