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 re

题目

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
相似考题

1.What are two examples of RE exception traffic?()A. BGP updates that travel through the local router and are destined for a remote router.B. OSPF hello packets that are sent from a remote router and are destined for the local router.C. Telnet traffic that is sent from a remote host and is destined for the local router.D. Telnet traffic that travels through the local router and is destined for a remote end host.

2.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

3.Refer to the exhibit. AS 65500 is not advertising the prefix 192.168.12.0/22 to its provider. AS 65500 is running OSPF as its IGP. Whi ch of the following additions to the configuration is most likely to solve the problem?（）A. RouterA(config)#ip cefB. RouterA(config)#ip route 192.168.12.0 255.255.255.252 null 0C. RouterA(config - router)#ebgp multihop 1D. RouterA(config - router)#re distribute ospf 1E. RouterA(config - router)#neighbor 192.168.14.253 next - hop - selfF. RouterA(config - router)#neighbor 192.168.14.253 local - as 65500

4.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.

更多“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 re”相关问题

  • 第1题：

    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 172.20.0.0

    B. Router A will prefer the path through router C for network 172.20.0.0

    C. Packets from router D will prefer the path through router B for networks advertised by router A

    D. Packets from r outer D will prefer the path through router C for networks advertised by router A


    参考答案：A

  • 第2题：

    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.


    参考答案：E

  • 第3题：

    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


    参考答案：D

  • 第4题：

    In BGP routing，what does the rule of synchronization mean？（）

    • A、A BGP router can only advertise an EBGP learned route，provided that the route is an IGP route in the routing table.
    • B、A BGP router can only advertise an IBGP learned route，provided that the route is an IGP route in the routing table.
    • C、A BGP router can only advertise an IBGP learned route，provided that the route is an IGP route that is not in the routing table.
    • D、A BGP router can only advertise an EBGP learned route，provided that the route is a metric of 0 in the BGP table.

    正确答案:B

  • 第5题：

    SR7750调测BGP邻居状态变化的命令是（）

    • A、debug router bgp open
    • B、debug router bgp events
    • C、debug router bgp update
    • D、debug router bgp packets

    正确答案:B

  • 第6题：

    Which three statements about the route target （RT） are true？ （）

    • A、The RT is a BGP extended community.
    • B、The RT is an 8-byte field that is prefixed to an IPv4 address to make it a unique VPNv4 address.
    • C、When a VPN route that is learned from a CE router is injected into BGP， one or more RTs are associated with it
    • D、The distribution of VPN routing information is controlled through the use of VPN RTs
    • E、When a VPN route that is learned from a CE router is injected into BGP， there is always one RT that is associated with it.

    正确答案:A,C,D

  • 第7题：

    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.

    正确答案:B,D

  • 第8题：

    What are two examples of RE exception traffic?（）

    • A、BGP updates that travel through the local router and are destined for a remote router.
    • B、OSPF hello packets that are sent from a remote router and are destined for the local router.
    • C、Telnet traffic that is sent from a remote host and is destined for the local router.
    • D、Telnet traffic that travels through the local router and is destined for a remote end host.

    正确答案:B,C

  • 第9题：

    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.

    正确答案:B

  • 第10题：

    单选题
    What is the first step in BGP route selection?（）
    A

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

    B

    The router first 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.


    正确答案： A
    解析： 暂无解析

  • 第11题：

    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？（）
    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


    正确答案： D
    解析： 暂无解析

  • 第12题：

    单选题
    In BGP routing， what does the rule of synchronization mean？（）
    A

    A BGP router can only advertise an EBGP learned route， provided that the route is an IGP route in the routing table.

    B

    A BGP router can only advertise an IBGP learned route， provided that the route is an IGP route in the routing table.

    C

    A BGP router can only advertise an IBGP learned route， provided that the route is an IGP route that is not in the routing table.

    D

    A BGP router can only advertise an EBGP learned route， provided that the route is a metric of 0 in the BGP table.


    正确答案： B
    解析： 暂无解析

  • 第13题：

    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.


    参考答案：C

  • 第14题：

    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 R5

    B. None of the BGP updates that are received on router R2 will ever be received by router R5

    C. All BGP updates that are received on router R2 will not be sent to routers R3 and R4

    D. All BGP updates that are received on router R2 will be sent directly to router R5


    参考答案：B

  • 第15题：

    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 router
    • B、The peer router immediately removes the BGP routes that it learned from the restarting router from its BGP routing table
    • C、The restarting router does not remove any stale prefixes after the timer for stale entries expires
    • D、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 updates
    • E、The restarting router removes any stale prefixes after the timer for stale entries expires

    正确答案:D,E

  • 第16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？（）

    • A、static route needs to be added
    • B、floating static route needs to be added
    • C、bgp backdoor command
    • D、ospf backdoor command

    正确答案:C

  • 第17题：

    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、origin
    • B、router-ID
    • C、AS-path
    • D、local-preference
    • E、next-hop

    正确答案:A,C,E

  • 第18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？（）

    • A、network 10.0.0.0
    • B、network 10.10.0.0 mask 255.255.0.0
    • C、network 10.10.10.1 mask 255.255.255.255
    • D、network 10.10.10.0 mask 255.255.255.0
    • E、network 10.0.0.0 mask 255.255.0.0

    正确答案:B

  • 第19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？（）

    • 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

    正确答案:D

  • 第20题：

    What is the first step in BGP route selection?（）

    • A、The local router prefers the route with the shortest as-path.
    • B、The router first 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.

    正确答案:B

  • 第21题：

    单选题
    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.


    正确答案： B
    解析： 暂无解析

  • 第22题：

    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, 00:02:18
    A

    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.


    正确答案： C
    解析： 暂无解析

  • 第23题：

    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？（）
    A

    network 10.0.0.0

    B

    network 10.10.0.0 mask 255.255.0.0

    C

    network 10.10.10.1 mask 255.255.255.255

    D

    network 10.10.10.0 mask 255.255.255.0

    E

    network 10.0.0.0 mask 255.255.0.0


    正确答案： B
    解析： 暂无解析

  • 第24题：

    多选题
    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.


    正确答案： B,D
    解析： 暂无解析

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