单选题A BGP router is configured with bgp dampening 8 300 1500 20 route-map 1 .What does the value of 20 represent?（）A reuseB suppressC half-lifeD max-suppress-time

考题 A BGP router is configured with bgp dampening 8 300 1500 20 route－map 1 .What does the value of 20 represent?() A. reuseB. suppressC. half-lifeD. max-suppress-time

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考题 BGP route dampening is configured on a BGP router.Whose routing behavior is affected by this configuration?() A. upstream EBGP neighborsB. downstream EBGP neighborsC. upstream IBGP neighbors learned by IBGP peersD. downstream IBGP neighbors learned by IBGP peers

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考题 A BGP connection is being established.What happens if the local router and the peer router do NOT have the same hold－time value configured?() A. The BGP session does not establish.B. The hold time is assumed to be infinite.C. The larger of the two hold-time values is used.D. The smaller of the two hold-time values is used.

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考题 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.

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考题 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.

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考题 You issue the command show process memory ∣ include BGP and notice that BGP is consuming alarge percentage of the router’s memory. Which of the following steps would result in lowering theamount of memory being consumed by BGP？（Choose all that apply.）（）A、Filter unneeded BGP routesB、Run BGP on a different platform that already has more memoryC、Upgrade the router memoryD、Increase the BGP update timerE、Compress the BGP tableF、Use a default route instead of maintaining a full BGP table

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考题 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 addedB、floating static route needs to be addedC、bgp backdoor commandD、ospf backdoor command

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考题 When BGP is used as the PE-CE routing protocol, which of these statements is correct?（）A、On the CE router, PE neighbors must be configured in the VRF context on the CE routerB、On PE routers, the CE IBGP neighbors are configured in the global BGP configurationC、On PE routers, the CE EBGP neighbors are configured in the VRF contextD、A separate BGP process must be used on the PE routers for CE routers so that they do not use the same BGP routing process as that used for the PE router's other provider neighbors

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考题 SR7750调测BGP邻居状态变化的命令是（）A、debug router bgp openB、debug router bgp eventsC、debug router bgp updateD、debug router bgp packets

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考题 Two routers configured to run BGP have been connected to a firewall， one on the inside interface and one on the outside interface. BGP has been configured so the two routers should peer， including the correct BGP session endpoint addresses and the correct BGP session hop-count limit （EBGP multihop）. What is a good first test to see if BGP will work across the firewall？（）A、Attempt to TELNET from the router connected to the inside of the firewall to the router connected to the outside of the firewall. If telnet works， BGP will work， since telnet and BGP both use TCP to transport data.B、Ping from the router connected to the inside interface of the firewall to the router connected to the outside interface of the firewall. If you can ping between them， BGP should work， since BGP uses IP to transport packets.C、There is no way to make BGP work across a firewall without special configuration， so there is no simple test that will show you if BGP will work or not， other than trying to start the peering session.D、There is no way to make BGP work across a firewall.

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考题 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、originB、router-IDC、AS-pathD、local-preferenceE、next-hop

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考题 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 10.0.0.0B、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

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考题 Select the two answers that best describe the IP Event Dampening feature（）A、The IP Event Dampening uses exponential decay mechanism to suppress the effects of excessive interface flappingB、BGP Operators use IP Event Dampening to suppress the effect of unstable internet RoutesC、The IP Event Dampening works with routing protocols by stopping the announcement of dampened interface subnets in their updatesD、When IP Event Dampened internet routes resch their re-use limit BGP installs them in the Routing Table and announces them to other BGP speakers

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考题 Which of the following events would not explain excessive CPU utilization？（）A、A large number of BGP sessionsB、A large BGP tableC、A router is configured with the following command： ip route 0.0.0.0 0.0.0.0 fa 0/1D、All interface buffers are continually in useE、A flapping interfaceF、The router sends a large number of ARP requests

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考题 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？（）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

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考题 A BGP router is configured with bgp dampening 8 300 1500 20 route-map 1 .What does the value of 20 represent?（）A、reuseB、suppressC、half-lifeD、max-suppress-time

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考题单选题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.

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考题单选题Two routers configured to run BGP have been connected to a firewall， one on the inside interface and one on the outside interface. BGP has been configured so the two routers should peer， including the correctBGP session endpoint addresses and the correct BGP session hop-count limit EBGP multihop. What is agood first test to see if BGP will work across the firewall？（）A Attempt to TELNET from the router connected to the inside of the firewall to the router connected to theoutside of the firewall. If telnet works， BGP will work， since telnet and BGP both use TCP to transportdata.B Ping from the router connected to the inside interface of the firewall to the router connected to theoutside interface of the firewall. If you can ping between them， BGP should work， since BGP uses IP totransport packets.C There is no way to make BGP work across a firewall without special configuration， so there is no simpletest that will show you if BGP will work or not， other than trying to start the peering session.D There is no way to make BGP work across a firewall.

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考题多选题Which of the following commands causes a router to bring down BGP neighbor relationships?（）Aclear ip bgp *Bclear ip bgp 1.1.1.1Cclear ip bgp * softDclear ip bgp 1.1.1.1 out

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考题单选题When BGP is used as the PE-CE routing protocol, which of these statements is correct?（）A On the CE router, PE neighbors must be configured in the VRF context on the CE routerB On PE routers, the CE IBGP neighbors are configured in the global BGP configurationC On PE routers, the CE EBGP neighbors are configured in the VRF contextD A separate BGP process must be used on the PE routers for CE routers so that they do not use the same BGP routing process as that used for the PE router's other provider neighbors

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考题单选题Which of the following events would not explain excessive CPU utilization？（）A A large number of BGP sessionsB A large BGP tableC A router is configured with the following command： ip route 0.0.0.0 0.0.0.0 fa 0/1D All interface buffers are continually in useE A flapping interfaceF The router sends a large number of ARP requests

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考题单选题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 10.0.0.0B 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

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考题单选题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？（）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

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考题多选题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）？（）AoriginBrouter-IDCAS-pathDlocal-preferenceEnext-hop

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考题单选题BGP route dampening is configured on a BGP router. Whose routing behavior is affected by this configuration?（）A upstream EBGP neighborsB downstream EBGP neighborsC upstream IBGP neighbors learned by IBGP peersD downstream IBGP neighbors learned by IBGP peers

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考题单选题Two routers configured to run BGP have been connected to a firewall， one on the inside interface and one on the outside interface. BGP has been configured so the two routers should peer， including the correct BGP session endpoint addresses and the correct BGP session hop-count limit （EBGP multihop）. What is a good first test to see if BGP will work across the firewall？（）A Attempt to TELNET from the router connected to the inside of the firewall to the router connected to the outside of the firewall. If telnet works， BGP will work， since telnet and BGP both use TCP to transport data.B Ping from the router connected to the inside interface of the firewall to the router connected to the outside interface of the firewall. If you can ping between them， BGP should work， since BGP uses IP to transport packets.C There is no way to make BGP work across a firewall without special configuration， so there is no simple test that will show you if BGP will work or not， other than trying to start the peering session.D There is no way to make BGP work across a firewall.

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考题多选题Select the two answers that best describe the IP Event Dampening feature（）AThe IP Event Dampening uses exponential decay mechanism to suppress the effects of excessive interface flappingBBGP Operators use IP Event Dampening to suppress the effect of unstable internet RoutesCThe IP Event Dampening works with routing protocols by stopping the announcement of dampened interface subnets in their updatesDWhen IP Event Dampened internet routes resch their re-use limit BGP installs them in the Routing Table and announces them to other BGP speakers

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