多选题The following output on Router R1 lists details of a BGP route for 190.1.0.0/16. Which of the following is true based on this output?（） R1# show ip bgp 19 0.1.0.0/16 BGP routing table entry for 190.1.0.0/16, version 121 Paths: (1 available, best #1, table Default - IP - Routing - Table) Advertised to update - groups: 1 1 2 3 4 1.1.1.1 from 2.2.2.2 (3.3.3.3) Origin IGP, metric 0, localpref 100, valid, internal, bestAR1 has a neighbor 1.1.1.1 command configured.BR1 has a neighbor 2.2.2.2 command configured.CThe show ip bgp command lists a line for 190.1.0.0/16 with both an and an i on the left.DR1 is in ASN 1.
多选题
The following output on Router R1 lists details of a BGP route for 190.1.0.0/16. Which of the following is true based on this output?（） R1# show ip bgp 19 0.1.0.0/16 BGP routing table entry for 190.1.0.0/16, version 121 Paths: (1 available, best #1, table Default - IP - Routing - Table) Advertised to update - groups: 1 1 2 3 4 1.1.1.1 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.
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The following output on Router R1 lists details of a BGP route for 190.1.0.0/16. Which of 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, bestA. 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.
Router R1 has eBGP connections to I1 and I 2, routers at the same ISP. The company that owns R1 can use public address range 130.1.16.0/20. The following output lists all the IP routes in R1‘s routing table within this rangE. Which of the following answers would cause R1 to advertise the 130.1.1 6.0/20 prefix to its eBGP peers?（）R1 show ip route 130.1.16.0 255.255.240.0 longer - prefixes! lines omitteD...O 130.1.16.0/24 [110/3] via 10.5.1.1, 00:14:36, FastE thernet0/1O 130.1.17.0/24 [110/3] via 10.5.1.1, 00:14:36, FastEthernet0/1O 130.1.18.0/24 [110/3] via 10.5.1.1, 00:14:36, FastEthernet0/1A. Configure R1 with the network 130.1.16.0 mask 255.255.240.0 command.B. Configure R1 with the network 130.1.16 .0 mask 255.255.240.0 summaryonly command.C. Redistribute from OSPF into BGP, filtering so that only routes in the 130.1.16.0/20 range are redistributed.D. Redistribute from OSPF into BGP, filtering so that only routes in the 130.1.16.0/20 range are redistributed, and create a BGP summary for 130.1.16.0/20.
The following output occurs on Router R1. Which of the following cannot be determine d from 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 3A. The type of BGP peer (iBGP or eBGP) that advertised this route to R1B. R1‘s ASNC. The next - hop router‘s ASND. The AS_Path length
The following output, taken from a show ip bgp command on Router R1, lists two neighbors. 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 00:38:131A. IdleB. OpensentC. ActiveD. Established
For the accompanying router output, which of the following statements describes the stat e that neighbor 172.16.254.3 is in?() A. The router will not accept connections from the peer.B. BGP can exchange routing information in this state.C. The router is listening on its server port for connection requests from the peer.D. The router ha s sent out an active TCP connection request to the peer.
Refer to the exhibit. Router R1 is connected to networks 172.1 6.1.0 ／26 and 172.16.1.64 ／27. On the basis of the partial output in the exhibit, which statement is true? () A. Router R1 will deny the 172.16.1.0/26 route while permitting the 172.16.1.64/27 route to be advertised.B. Router R1 will advertise both rou tes.C. Router R1 should be reconfigured with an ACL instead of an ip prefix - list command.D. Router R1 will deny the 172.16.1.0/27 route while permitting the 172.16.1.0/26 route to be advertised.
Enterprise Router R1, in ASN 1, connects to ISP Router I1, ASN 2, using eBGP. The single serial 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 2B、router bgp 1C、neighbor 10.1 .1.2 remote - as 2D、neighbor 10.1.1.2 Update - source 10.1.1.1E、neighbor 10.1.1.2 Update- source S0/0
Enterprise Router R1, in ASN 1, connects to ISP Router I1, ASN 2, using eBGP. There are two 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 1B、neighbor 2.2.2.2 remote- as 2C、neighbor 2.2.2.2 update - source loopback1D、neighbor 2.2.2.2 multihop 2
Examine the following excerpt from the show ip ospf database asbr -summary command on router R1 (RID 1.1.1.1). Which answer can be verified as definitely true based on this output?（） LS Type: Summary Links (AS Boundary Router) Link State ID: 9.9.9.9 (AS Boundary Router address) Advertising Router: 3.3.3.3 LS Seq Number: 8000000D Checksum: 0xE43A Length: 28 Network Mask: /0 TOS: 0 Metric: 100A、The output describes the contents of a Type 5 LSAB、3.3.3.3 identifies a ro uter as being the router performing redistributionC、R1's metric for its best route to reach the router with RID 9.9.9.9 is 100D、The router with RID 3.3.3.3's metric for its best route to reach the router with RID 9.9.9.9 is 100
The following output occurs on Router R1. Which of the following cannot be determine d from this output?（） R1# show ip route 180.1.1.0 255.255.255.240 Routing entry for 180.1.1.0/28 Known via "bgp 2", distance 20, metric 0 Tag 3, type external Last update from 192.168.1.2 00:10:27 ago Routing Descriptor Blocks: * 192.168.1.2, from 19 2.168.1.2, 00:10:27 ago Route metric is 0, traffic share count is 1 AS Hops 2 Route tag 3A、The type of BGP peer (iBGP or eBGP) that advertised this route to R1B、R1's ASNC、The next - hop router's ASND、The AS_Path length
Examine the following excerpt from the show ip eigrp topology 10.2.2.0/24 command on router R1.Which answer can be verified as definitely true based on this output?（） External data: Originating router is 10.1.1.1 AS number of route is 1 External protocol is OSPF, external metric is 64 Administrator tag is 0 (0x00000000)A、R1 is the router that redistributed the routeB、R1's metric to reach subnet 10.2.2.0/24 is 64C、The route was redistributed on a router that has a router ospf 1 command configuredD、R1 is redistributing a route to prefix 1 0.2.2.0/24 into OSPF
A verification plan shows a network diagram with branch office Routers B1 through B100, plus two ABRs, ABR1, and ABR2, all in area 100. The branches connect to the ABRs using Frame Relay point - to - point subinterfaces. The verification plan lists the output of the show i p ospf database summary 10.100.0.0 command on a router B1, one of the branches. Which of the following is true regarding the output that could be listed for this command?（）A、The output lists nothing unless 10.100.0.0 has been configured as a summary rou te using the area range command.B、If 10.100.0.0 is a subnet in area 0, the output lists one Type 3 LSA, specifically the LSA with the lower metric when comparing ABR1's and ABR2's LSA for 10.100.0.0.C、If 10.100.0.0 is a subnet in area 0, the output lists two Type 3 LSAs, one each created by BR1 and ABR2.D、None, because the Type 3 LSAs would exist only in the ABR's LSDBs.
The following output on Router R1 lists details of a BGP route for 190.1.0.0/16. Which of the following is true based on this output?（） R1# show ip bgp 190.1.0.0/16 BGP routing table entry for 190.1.0.0/16, version 121 Paths: (1 available, best #1, table Default - IP - Routing - Table) Advertised to update - groups: 1 1 2 3 4 1.1.1.1 from 2.2.2.2 (3.3.3.3) Origin IGP, metric 0, localpref 100, valid, internal, bestA、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 line of output was gathered on Enterprise Router Ent1 using the command show ip route. Which of the following answers is most likely to be true, based on thi s output？（） B 128.107.0.0 [20/10] via 11.11.11.11, 00:02:18A、This router has set the Weight of this route to 10.B、This router's BGP table lists this route as an iBGP route.C、This router's MED has been set to 10.D、This router's BGP table lists an AS_Path length of 10 for this route.
Router R1 exists in an Enterprise that uses EIGRP as its routing protocol. The show ip route command output on router R1 lists the following phrase: "Gateway of last resort is 1.1.1.1 to network 2.0.0.0". Whic h of the following is most likely to have caused this output to occur on R1?（）A、R1 has been configured with an ip default- network 2.0.0.0 command.B、R1 has been configured with an ip route 0.0.0.0 0.0.0.0 1.1.1.1 command.C、R1 has been configured with an ip route 2.0.0.0 255.0.0.0 1.1.1.1 command.D、Another router has been configured with an ip default - network 2.0.0.0 command.E、Another router has been configured with an ip route 2.0.0.0 255.0.0.0 1.1.1.1 command.
A problem was reported that the 10.10.10.0/24 prefix was not injected into the local BGP table ona Company router named R1. The following information is available from this router： R1 Configuration： router bgp 65001 network 10.0.0.0 neighbor 172.16.1.1 remote-as 65002 no auto-summary Routing table information： show ip route | include 10 O 10.10.10.0/24 [110/11] via 192.168.1.1， 2d00h， Ethernet0/0 Why is this prefix not in the local BGP table of the R1？（）A、The 172.16.1.1 neighbor is down.B、The prefix 10.10.10.0/24 is not a ’connected’ routeC、This route is not a BGP learned routeD、The network command is wrongE、None of the other alternatives apply
R1 is currently advertising prefixes 1.0.0.0/8, 2.0.0.0/8, and 3.0.0.0/8 over its eBGP connection to neighbor 2.2.2.2 (R2). An engineer configures a prefix list (fred) on R1 that permits only 2.0.0.0/8 and then enables the filter with the neighbor R2 prefix- list fred out command. Upon exiting configuration mode, the engineer uses some show commands on R1, but no other commands. Which of the following is true in this case?（）A、The show ip bgp neighbor 2 .2.2.2 received -routes command lists the three original prefixes.B、The show ip bgp neighbor 2.2.2.2 advertised - routes command lists the three original prefixes.C、The show ip bgp neighbor 2.2.2.2 routes command lists the three original prefixes.D、T he show ip bgp neighbor 2.2.2.2 routes command lists only 2.0.0.0/8.E、The show ip bgp neighbor 2.2.2.2 advertised - routes command lists only 2.0.0.0/8.
单选题Enterprise Router R1, in ASN 1, connects to ISP Router I1, ASN 2, using eBGP. There are two 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?（）Arouter bgp 1Bneighbor 2.2.2.2 remote- as 2Cneighbor 2.2.2.2 update - source loopback1Dneighbor 2.2.2.2 multihop 2
单选题Which BGP command provides the router ID, local preference, next hop, and BGP path in its output?（）Ashow ip route bgpBshow ip bgpCshow ip bgp neighborsDshow ip bgp summary
单选题The following line of output was gathered on Enterprise Router Ent1 using the command show ip route. Which of the following answers is most likely to be true, based on thi s output？（） B 128.107.0.0 [20/10] via 11.11.11.11, 00:02:18AThis router has set the Weight of this route to 10.BThis router's BGP table lists this route as an iBGP route.CThis router's MED has been set to 10.DThis router's BGP table lists an AS_Path length of 10 for this route.
单选题Router R1 has eBGP connections to I1 and I 2, routers at the same ISP. The company that owns R1 can use public address range 130.1.16.0/20. The following output lists all the IP routes in R1's routing table within this rangE. Which of the following answers would cause R1 to advertise the 130.1.1 6.0/20 prefix to its eBGP peers?（） R1# show ip route 130.1.16.0 255.255.240.0 longer - prefixes ! lines omitteD... O 130.1.16.0/24 [110/3] via 10.5.1.1, 00:14:36, FastE thernet0/1 O 130.1.17.0/24 [110/3] via 10.5.1.1, 00:14:36, FastEthernet0/1 O 130.1.18.0/24 [110/3] via 10.5.1.1, 00:14:36, FastEthernet0/1AConfigure R1 with the network 130.1.16.0 mask 255.255.240.0 command.BConfigure R1 with the network 130.1.16 .0 mask 255.255.240.0 summaryonly command.CRedistribute from OSPF into BGP, filtering so that only routes in the 130.1.16.0/20 range are redistributed.DRedistribute from OSPF into BGP, filtering so that only routes in the 130.1.16.0/20 range are redistributed, and create a BGP summary for 130.1.16.0/20.
单选题A verification plan shows a network diagram with branch office Routers B1 through B100, plus two ABRs, ABR1, and ABR2, all in area 100. The branches connect to the ABRs using Frame Relay point - to - point subinterfaces. The verification plan lists the output of the show i p ospf database summary 10.100.0.0 command on a router B1, one of the branches. Which of the following is true regarding the output that could be listed for this command?（）AThe output lists nothing unless 10.100.0.0 has been configured as a summary rou te using the area range command.BIf 10.100.0.0 is a subnet in area 0, the output lists one Type 3 LSA, specifically the LSA with the lower metric when comparing ABR1's and ABR2's LSA for 10.100.0.0.CIf 10.100.0.0 is a subnet in area 0, the output lists two Type 3 LSAs, one each created by BR1 and ABR2.DNone, because the Type 3 LSAs would exist only in the ABR's LSDBs.
单选题R1 is currently advertising prefixes 1.0.0.0/8, 2.0.0.0/8, and 3.0.0.0/8 over its eBGP connection to neighbor 2.2.2.2 (R2). An engineer configures a prefix list (fred) on R1 that permits only 2.0.0.0/8 and then enables the filter with the neighbor R2 prefix- list fred out command. Upon exiting configuration mode, the engineer uses some show commands on R1, but no other commands. Which of the following is true in this case?（）AThe show ip bgp neighbor 2 .2.2.2 received -routes command lists the three original prefixes.BThe show ip bgp neighbor 2.2.2.2 advertised - routes command lists the three original prefixes.CThe show ip bgp neighbor 2.2.2.2 routes command lists the three original prefixes.DT he show ip bgp neighbor 2.2.2.2 routes command lists only 2.0.0.0/8.EThe show ip bgp neighbor 2.2.2.2 advertised - routes command lists only 2.0.0.0/8.
单选题The following output, taken from a show ip bgp command on Router R1, lists two neighbors. In what BGP neighbor state is neighbor 1.1.1.1?（） Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd 1.1.1.1 4 1 60 61 26 0 0 00:45:01 0 2.2.2.2 4 3 153 159 26 0 0 00:38:13 1AIdleBOpensentCActiveDEstablished
单选题A problem was reported that the 10.10.10.0/24 prefix was not injected into the local BGP table ona Company router named R1. The following information is available from this router： R1 Configuration： router bgp 65001 network 10.0.0.0 neighbor 172.16.1.1 remote-as 65002 no auto-summary Routing table information： show ip route | include 10 O 10.10.10.0/24 [110/11] via 192.168.1.1， 2d00h， Ethernet0/0 Why is this prefix not in the local BGP table of the R1？（）AThe 172.16.1.1 neighbor is down.BThe prefix 10.10.10.0/24 is not a ’connected’ routeCThis route is not a BGP learned routeDThe network command is wrongENone of the other alternatives apply
多选题A router is running BGP and receives more than one route for a particular prefix. Assume all the routes for this prefix have the same attributes. Which three path features would be reasons be for the rou ter to ignore some of the routes and not consider them as candidates for the best path?（）Apaths from an internal BGP (iBGP) neighbor if the local autonomous system (AS) appears in the AS_PATHBpaths for which the NEXT_HOP is inaccess ibleCpaths from an external BGP (eBGP) neighbor if the local autonomous system (AS) appears in the AS_PATHDpaths for which the NEXT_HOP is accessibleEpaths that are marked as synchronized in the show ip bgp outputFpaths that are marked as not synchronized in the show ip bgp output
单选题Router R1 exists in an Enterprise that uses EIGRP as its routing protocol. The show ip route command output on router R1 lists the following phrase: "Gateway of last resort is 1.1.1.1 to network 2.0.0.0". Whic h of the following is most likely to have caused this output to occur on R1?（）AR1 has been configured with an ip default- network 2.0.0.0 command.BR1 has been configured with an ip route 0.0.0.0 0.0.0.0 1.1.1.1 command.CR1 has been configured with an ip route 2.0.0.0 255.0.0.0 1.1.1.1 command.DAnother router has been configured with an ip default - network 2.0.0.0 command.EAnother router has been configured with an ip route 2.0.0.0 255.0.0.0 1.1.1.1 command.