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

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’ route
  • C、This route is not a BGP learned route
  • D、The network command is wrong
  • E、None of the other alternatives apply

相关考题:

Which set of configuration commands configures MBGP on the ERX Edge Router?() A. router bgp 100 neighbor 192.168.10.1 remote-as 200 address-family ipv4 multicast neighbor 192.168.10.1 next-hop-selfB. router bgp 100 neighbor 192.168.10.1 remote-as 200 address-family vpnv4 multicast neighbor 192.168.10.1 activateC. router bgp 100 neighbor 192.168.10.1 remote-as 200 address-family ipv4 unicast neighbor 192.168.10.1 activeD. router bgp 100 neighbor 192.168.10.1 remote-as 200 address-family ipv4 multicast neighbor 192.168.10.1 activate

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.

The following output was taken from the show ip bgp command on Router R2. In this case, which of the following commands are most likely to already be configured on R2?()BGP router identifier 11.11.11.11, local AS number 11...Neighbor V AS Ms gRcvd MsgSent TblVer InQ OutQ Up/DownState/PfxRcd1.1.1.1 4 1 87 87 0 0 0 00:00:06 Idle(Admin)2.2.2.2 4 3 173 183 41 0 0 00:58:47A. router bgp 11B. neighbor 1.1.1.1 remote- as 11C. neighbor 2.2.2.2 prefix - limit 1D. neighbor 1.1.1.1 shutdown

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

Refer to the exhibit The neighbor 10.1.1.1 weight 200 BGP configuration command has been configured on router A. What will be the result of this configuration? () A. Router A will prefer the path through router B for network 172.20.0.0B. Router A will prefer the path through router C for network 172.20.0.0C. Packets from router D will prefer the path through router B for networks advertised by router AD. Packets from r outer D will prefer the path through router C for networks advertised by router A

Refer to the exhibit. Network 10.0.0.0/8 is being advertised to autonomous system 65550 via both external links. Which statement about the preferred path to the 10.0.0.0/8 network is true? () A. Router R2 will be preferred because it has the higher neighbor IP address.B. Router R2 will be preferr ed because its neighbor has a lower autonomous system number.C. Router R1 will be preferred because it has a lower local preference.D. Router R2 will be preferred because it has a higher local preference.E. Router R1 will be preferred because its nei ghbor has the higher autonomous system number.F. Router R1 will be preferred because it has the lower neighbor IP address.

Based on the show ip bgp summary output, which two statements are true?() A. The BGP session to the 10.3.3.3 neighbor is established, but the router has not received any BGP routing updates from the 10.3.3.3 neighbor.B. The router is attempting to establish a BGP peering session with the 10.2.2.2 neighbor.C. The router is attempting to establish a BGP peering session with the 10.1.1.1 neighbor.D. The BGP session to the 10.3.3.3 neighbor is established.E. The BGP session to the 10.2.2.2 neighbor is established.F. The BGP session to the 10.1.1.1 neighbor is 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.

During BGP configuration on a router that has peered with other BGP speakers, the BGP command aggregate-a ddress 172.32.0.0 255.255.252.0 is issued. However, the peers do not receive this aggregate network in BGP advertisements. Also, the router does not have this aggregate network in its BGP table.Which option indicates a possible reason this command did not cause the router to advertise the aggregate network to its peers?()A. Interface NULL 0 is likely shutdown.B. The next hop IP address must be a loopback address.C. The BGP command no auto - summary is missing.D. The BGP command no synchronization is missing.E. Subnets of 172.32.0.0/22 do not exist in the BGP table.F. The IGP running on this router does not have network 172.32.0.0/22 installed.

Refer to the exhibit. On the basis of the configuration that is provided, how would the BGP updates that come from router R1 be replicated inside autonomous system 65200?() A. All BGP updates that are received on router R 2 will be sent to routers R3 and R4. Routers R3 and R4 will then forward those BGP updates to router R5B. None of the BGP updates that are received on router R2 will ever be received by router R5C. All BGP updates that are received on router R2 will not be sent to routers R3 and R4D. All BGP updates that are received on router R2 will be sent directly to router R5

Refer to the exhibit. EIGRP is configured on all routers in the network. On a basis of the show ip eigrp topology output provided, what conclusion can be deri ved? () A.Router R1 is waiting for a reply from the neighbor 10.1.2.1 to the hello message sent out inquiring for a second successor to network 10.6.1.0/24B.Router R1 can send traffic destined for network 10.6.1.0/24 out of interface FastEthernet0/0C.Router R1 is waiting for a reply from the neighbor 10.1.2.1 to the hello message sent out before it declares the neighbor unreachableD.Router R1 is waiting for a reply from the neighbor 10.1.2.1 in response to the query sent out about network 10 .6.1.0/24

A problem was reported that the 10.10.10.0/24 prefix was not injected into the local BGP table 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

In which two ways does the BGP graceful restart capability preserve prefix information during a restart?()A、The peer router sends an end-of RIB message to the restarting routerB、The peer router immediately removes the BGP routes that it learned from the restarting router from its BGP routing tableC、The restarting router does not remove any stale prefixes after the timer for stale entries expiresD、The router establishes BGP sessions with other routers and relearns the BGP routes from other routers that are also capable of graceful restart. The restarting router waits to receive updates from the neighboring routers. When the neighboring routers send end-of-RIB messages to indicate that they are done sending updates, the restarting router starts sending its own updatesE、The restarting router removes any stale prefixes after the timer for stale entries expires

Router R1 learns two routes with BGP for prefix 200.1.0.0/16. Comparing the two routes, route 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.

You have a router running BGP for the MPLS network and OSPF for the local LAN network at the sales office. A route is being learned from the MPLS network that also exists on the OSPF local network. It is important that the router chooses the local LAN route being learned from the downstream switch running OSPF rather than the upstream BGP neighbor. Also, if the local OSPF route goes away, the BGP route needs to be used. What should be configured to make sure that the router will choose the LAN network as the preferred path?()A、static route needs to be addedB、floating static route needs to be addedC、bgp backdoor commandD、ospf backdoor command

Router 1 is configured for BGP as dual-homed on the Cisco network. Which three BGP attributes are carried in every BGP update on this router (both IBGP and EBGP)?()A、originB、router-IDC、AS-pathD、local-preferenceE、next-hop

A BGP router is configured as shown below:  interface ethernet 0 ip address 10.10.10.1 255.255.0.0! int serial 0 ip address 172.16.1.1 255.255.255.252! router bgp 65001 neighbor 192.168.1.1 remote-as 65002   Based on the above configuration, which of the following BGP statements would inject the10.10.0.0/16 prefix into the BGP routing table?()A、network 10.0.0.0B、network 10.10.0.0 mask 255.255.0.0C、network 10.10.10.1 mask 255.255.255.255D、network 10.10.10.0 mask 255.255.255.0E、network 10.0.0.0 mask 255.255.0.0

In which two ways does the BGP graceful capability preserve prefix information during a restart?()A、The peer router immediately removes the BGP routers that it learned from the restarting router from itsBGP routing tables.B、The router establishes BGP sessions with other routers and relearns the BGP routes from others that are also capable of graceful restart. The restarting router waits to receive updates from the neighboringrouters. When the neighboring routers send end-of-RIB messages to indicate that they are donesending updates,the restarting router starts sending its own updates.C、The peer router sends an end-of-RIB message to the restarting router.D、The restarting router removes any stale prefixes after the timer for stale entries expires.E、The restarting router does not remove any stale prefixes after the timer for stale entries expires.

Router R-1 is configured for BGP routing as shown below: router bgp 65300network 27.0.0.0neighbor 192.23.1.1 remote-as 65300 From the perspective of router R-1, what kind of router is the router with IP address 192.23.1.1?()A、A peer router running IBGPB、A peer router running EBGPC、A community member running IBGPD、A peer group member running IBGPE、A peer group member running EBGP

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.

What is the first step in BGP route selection?()A、The local router prefers the route with the shortest AS Path.B、The local router verifies that it has a route to the BGP Next Hop IP address.C、The local router prefers the route from the peer with the lowest peer ID address.D、The local router prefers the route learned from an EBGP peer over a route learned from an IBGP peer.

单选题Router R-1 is configured for BGP routing as shown below: router bgp 65300network 27.0.0.0neighbor 192.23.1.1 remote-as 65300 From the perspective of router R-1, what kind of router is the router with IP address 192.23.1.1?()AA peer router running IBGPBA peer router running EBGPCA community member running IBGPDA peer group member running IBGPEA peer group member running EBGP

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.

单选题You have a router running BGP for the MPLS network and OSPF for the local LAN network at the sales office. A route is being learned from the MPLS network that also exists on the OSPF local network. It is important that the router chooses the local LAN route being learned from the downstream switch running OSPF rather than the upstream BGP neighbor. Also, if the local OSPF route goes away, the BGP route needs to be used. What should be configured to make sure that the router will choose the LAN network as the preferred path?()Astatic route needs to be addedBfloating static route needs to be addedCbgp backdoor commandDospf backdoor command

单选题A BGP router is configured as shown below:  interface ethernet 0 ip address 10.10.10.1 255.255.0.0! int serial 0 ip address 172.16.1.1 255.255.255.252! router bgp 65001 neighbor 192.168.1.1 remote-as 65002   Based on the above configuration, which of the following BGP statements would inject the10.10.0.0/16 prefix into the BGP routing table?()Anetwork 10.0.0.0Bnetwork 10.10.0.0 mask 255.255.0.0Cnetwork 10.10.10.1 mask 255.255.255.255Dnetwork 10.10.10.0 mask 255.255.255.0Enetwork 10.0.0.0 mask 255.255.0.0

多选题In which two ways does the BGP graceful capability preserve prefix information during a restart?()AThe peer router immediately removes the BGP routers that it learned from the restarting router from itsBGP routing tables.BThe router establishes BGP sessions with other routers and relearns the BGP routes from others that are also capable of graceful restart. The restarting router waits to receive updates from the neighboringrouters. When the neighboring routers send end-of-RIB messages to indicate that they are donesending updates,the restarting router starts sending its own updates.CThe peer router sends an end-of-RIB message to the restarting router.DThe restarting router removes any stale prefixes after the timer for stale entries expires.EThe restarting router does not remove any stale prefixes after the timer for stale entries expires.