意识：物质：宗教A．空气：分子：氮气B．天气：雨水：冰雹C．树木：泥土：松树D．理论：实践：相对论

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

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.

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.

ute 1 has a longer AS_Path Length, bigger MED, bigger Weight, and smaller Loca l PreferencE.Which of the following is true about Router R1‘s choice of best path for this prefix？（）

A. Route 1 is the best route.

B. Route 2 is the best route.

C. The routes tie as best, but one will be picked to be placed in the routing table based on tiebreakers.

D. Neither route is considered best.

ute 1 has a shorter AS_Path Length, smaller MED, the same Weight, and smaller Local PreferencE.Which of the following is true about Router R1‘s choice of best path for this prefix？（）

A. Route 1 is the best route.

B. Route 2 is the best route.

C. The routes tie as best, but one will be picked to be placed in the routing table based on tiebreakers .

D. Neither route is considered best.

erial link b etween the two routers uses IP addresses 10.1.1.1 and 10.1.1.2, respectively. Both routers use their S0/0 interfaces for this link.Which of the following commands would be needed on R1 to configure eBGP？（）

A. router bgp 2

B. router bgp 1

C. neighbor 10.1 .1.2 remote - as 2

D. neighbor 10.1.1.2 Update - source 10.1.1.1

E. neighbor 10.1.1.2 Update- source S0/0

able on a PassGuide router named PG1.The following information is available from this router：PG1 Configuration：router bgp 65001network 10.0.0.0neighbor 172.16.1.1 remote-as65002no auto-summaryRouting table information：show ip route|include 10O10.10.10.0/24[110/11]via192.168.1.1，2d00h，Ethernet0/0Why is this prefix not in the local BGP table of thePG1（）

A.The 172.16.1.1 neighbor is down.

B.The prefix 10.10.10.0/24is not a’connected’route.

C.This route is not a BGP learned route.

D.The network command is wrong.

E.None of the other alternatives apply

o parallel serial links between the two rou ters. The implementation plan calls for each router to base their BGP TCP connection on their respective loopback1 interfaces, with IP addresses 1.1.1.1 and 2.2.2.2, respectively.Which of the following commands would not be part of a working eBGP confi guration on Router R1？（）

A. router bgp 1

B. neighbor 2.2.2.2 remote- as 2

C. neighbor 2.2.2.2 update - source loopback1

D. neighbor 2.2.2.2 multihop 2

ENT1 has an eBGP connection to an ISP router with address 3.3.3.3 and an iBGP connection to a router with address 4.4.4.4. Which of the following is most likely to be true？（）Network Next Hop Metric LocPrf Weight Path*> 3.3.3.3 0 0 1 1 1 1 218 i

A. The Enterprise likely uses ASN 1.

B. The neighboring ISP likely uses ASN 1.

C. The route has been advertised through ASN 1 multiple times.

D. Router Ent1 will add another ASN to the AS_Path before advertising this route to its iBGP peer (4.4.4.4).

A. The local router prefers the route with the shortest as-path.

B. The router first verifies that it has a route to thebgp Next Hop IP address.

C. The local router prefers the route from the peer with the lowest peerid address.

D. The local router prefers the route learned from anebgp peer over a route learned from anibgp peer.