单选题Router R1, in ASN 11, learns a BGP route from BGP peer R22 in ASN 22. R1 and then uses BGP to advertise the route to R2, also in ASN 11. What ASNs would you see in the BGP table on R2 for this route?（）A 22B 11C 1D None

题目
单选题
Router R1, in ASN 11, learns a BGP route from BGP peer R22 in ASN 22. R1 and then uses BGP to advertise the route to R2, also in ASN 11. What ASNs would you see in the BGP table on R2 for this route?（）
A

22

B

11

C

1

D

None

相似考题

1.An Enterprise rou ter, Ent1, displays the following excerpt from the show ip bgp command. 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 iA. 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).

2.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.

3.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

4.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.

参考答案和解析
正确答案： C
解析： 暂无解析
更多“单选题Router R1, in ASN 11, learns a BGP route from BGP peer R22 in ASN 22. R1 and then uses BGP to advertise the route to R2, also in ASN 11. What ASNs would you see in the BGP table on R2 for this route?（）A 22B 11C 1D None”相关问题

  • 第1题：

    Router R1, in ASN 11, learns a BGP route from BGP peer R22 in ASN 22. R1 and then uses BGP to advertise the route to R2, also in ASN 11. What ASNs would you see in the BGP table on R2 for this route?（）

    A. 22

    B. 11

    C. 1

    D. None


    参考答案：A

  • 第2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3题：

    What best explains the BGP route-reflector function？（）

    • A、BGP route-reflector should be in forwarding path of data coming from its clients
    • B、BGP route-reflector does not have to be in the forwarding path of data coming from its clients
    • C、BGP route-reflector will stop reflecting the routes if they’re not directly-connected clients
    • D、None of the above

    正确答案:B

  • 第4题：

    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.

    正确答案:B

  • 第5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6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7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8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9题：

    单选题
    Which action occurs when the policy main-policy evaluates the BGP route 10.0.55.2/32？（） [edit policy-options]  policy-statement test { from {  route-filter10.0.0.016/orlongeraccept；  route-filter10.0.67.0/24orlangerreject；  route-filter10.0.0.0/8orlanger；  }  then {  metric10；  community add no-advertise；  accept；  }  }  policy-statement main-policy {  term only-want-certain-routes {  from {  policytest；  }  then {  communityadd harry-402；  accept；  }  }  }  communityno advertise members no-advertise；  communityharry-402 members 666：402；  [edit protocols]  bgp {  exportmain-policy； }
    A

    The route is not advertised into BGP

    B

    The route is advertised into BGP with community harry-402.

    C

    The route is advertised into BGP with community no-advertise.

    D

    The route is advertised into BGP with community harry-402 and no-advertise.


    正确答案： B
    解析： 暂无解析

  • 第10题：

    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.


    正确答案： D,C
    解析： 暂无解析

  • 第11题：

    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？（）
    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
    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：

    Which option is true regarding the synchronization rule ?()

    A. Do not use or internally advertise a route until the route is lear ned from a source other than BGP.

    B. Do not use or advertise a route until the route is learned from a BGP peer.

    C. Do not use or advertise routes marked PARTIAL.

    D. Wait until a CONFIRM message is received before using routes from BGP neighbors.


    参考答案：A

  • 第14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15题：

    Router R1, in ASN 11, learns a BGP route from BGP peer R22 in ASN 22. R1 and then uses BGP to advertise the route to R2, also in ASN 11. What ASNs would you see in the BGP table on R2 for this route?（）

    • A、22
    • B、11
    • C、1
    • D、None

    正确答案:A

  • 第16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17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 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, 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.

    正确答案:B,C

  • 第18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19题：

    单选题
    An Enterprise rou ter, Ent1, displays the following excerpt from the show ip bgp command. 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 2 18 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).


    正确答案： B
    解析： 暂无解析

  • 第20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21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22题：

    单选题
    Which option is true regarding the synchronization rule ?（）
    A

    Do not use or internally advertise a route until the route is lear ned from a source other than BGP.

    B

    Do not use or advertise a route until the route is learned from a BGP peer.

    C

    Do not use or advertise routes marked PARTIAL.

    D

    Wait until a CONFIRM message is received before using routes from BGP neighbors.


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    Which JUNOS software show command allows you to view BGP attributes for a given route？（）
    A

    show route bgp

    B

    show bgp attribute

    C

    show bgp neighbor

    D

    show route extensive

    E

    show bgp statistics


    正确答案： E
    解析： 暂无解析

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