单选题What is the most likely reason that an IBGP route that has been selected as a best route is not entered into the IP routing table?（）ARoute reflectors are not passing updates properly.BBGP synchronization has been enabled.CThe next-hop address is unreachable.DNo loopback interface has been configured on a router.
单选题
What is the most likely reason that an IBGP route that has been selected as a best route is not entered into the IP routing table?（）
A
Route reflectors are not passing updates properly.
B
BGP synchronization has been enabled.
C
The next-hop address is unreachable.
D
No loopback interface has been configured on a router.
参考解析
解析：
暂无解析
相关考题：
What are two alternatives to configuring a full mesh of IBGP peers within your AS? ()(Choose two.) A.multihopB.communitiesC.confederationsD.route reflection
Refer to the exhibit. Given the output shown from this Cisco Catalyst 2950, what is the most likely reason that interface FastEthernet 0／10 is not the root port for VLAN 2?() A.This switch has more than one interface connected to the root network segment in VLAN 2.B.This switch is running RSTP while the elected designated switch is running 802.1d Spanning Tree.C.This switch interface has a higher path cost to the root bridge than another in the topology.D.This switch has a lower bridge ID for VLAN 2 than the elected designated switch.
What is the most likely reason that an IBGP route that has been selected as a best route is not entered into the IP routing table?（）A、Route reflectors are not passing updates properly.B、BGP synchronization has been enabled.C、The next-hop address is unreachable.D、No loopback interface has been configured on a router.
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.
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 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).
Which types of prefixes will a router running BGP most likely advertise to an IBGP peer， assuming it is not configured as a route reflector？（）A、prefixes received from any other BGP peer and prefixes locally originated via networkstatements or redistributedB、all prefixes in its routing tableC、prefixes received from EBGP peers and prefixes locally originated via network statements or redistributedD、prefixes received from EBGP peers and prefixes received from route reflectorsE、prefixes received from other IBGP peers， prefixes received from EBGP peers，and prefixes redistributed to BGPF、prefixes received from other IBGP peers and prefixes received from route reflectors
One of your customers has decided to deploy location-based services in addition to existingwireless services. The customer requires that the additional access points to be deployed in monitor-onlymode. The most likely reason for this requirement is that the customer has which of these existingwireless devices？（）A、Data CollectionB、802.11b/g VoIPC、802.11b and g clientsD、RFID tags
What is the BGP synchronization rule？（）A、Routing information received through an IBGP session is not forwarded to another IBGP neighbor， onlyto EBGP neighborsB、Routing information received through an EBGP session is not forwarded to another EBGP neighbor，only to IBGP neighborsC、BGP neighbor peerings are established and sychronized using the TCP 3-way handshakeD、BGP shall not advertise a route until that route has been learned via an IGP also
A remote host can be pinged from all switches except one. Which of the following is the most likely reason for this failure？（）A、VTP pruning has isolated the switch.B、IP routing is disabled on the switch.C、PoE is failing on the remote port.D、There is a loop in the topology.
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.
To examine the Exhibit， press the Exhibit button. The system administrator notices a system with routing cannot communicate with a system with an ip address 192.24.34.6. Using the information provided in the exhibit， what is the most likely reason？（）A、The named is not runningB、The default gateway is not setC、The NIS master server is downD、Ipforwarding is not turned on
What are two alternatives to configuring a full mesh of IBGP peers within your AS? （）(Choose two.)A、multihopB、communitiesC、confederationsD、route reflection
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In BGP routing，what does the rule of synchronization mean？（）AA BGP router can only advertise an EBGP learned route，provided that the route is an IGP route in the routing table.BA BGP router can only advertise an IBGP learned route，provided that the route is an IGP route in the routing table.CA BGP router can only advertise an IBGP learned route，provided that the route is an IGP route that is not in the routing table.DA BGP router can only advertise an EBGP learned route，provided that the route is a metric of 0 in the BGP table.
单选题A remote host can be pinged from all switches except one. Which of the following is the most likely reason for this failure？（）AVTP pruning has isolated the switch.BIP routing is disabled on the switch.CPoE is failing on the remote port.DThere is a loop in the topology.
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One of your customers has decided to deploy location-based services in addition to existingwireless services. The customer requires that the additional access points to be deployed in monitor-onlymode. The most likely reason for this requirement is that the customer has which of these existingwireless devices？（）AData CollectionB802.11b/g VoIPC802.11b and g clientsDRFID tags
单选题One of your customers has decided to deploy location-based services in addition to existing wireless services. The customer requires that the additional access points to be deployed in monitor-only mode. The most likely reason for this requirement is that the customer has which of these existing wireless devices？（）A802.11b/g VoIPBData CollectionC802.11b and g clientsDRFID tags
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 iAThe Enterprise likely uses ASN 1.BThe neighboring ISP likely uses ASN 1.CThe route has been advertised through ASN 1 multiple times.DRouter Ent1 will add another ASN to the AS_Path before advertising this route to its iBGP peer (4.4.4.4).
单选题One of your customers has decided to deploy location-based services in addition to existing wireless services. the customer requires that the additional access points to be deployed in monitor-only modE. The most likely reason for this requirement is that the customer has which of these existing wireless devices？（）Adata collectionB802.11b/g voipC802.11b and g clientsDrfid tags
单选题Which types of prefixes will a router running BGP most likely advertise to an IBGP peer， assuming it is not configured as a route reflector？（）Aprefixes received from any other BGP peer and prefixes locally originated via networkstatements or redistributedBall prefixes in its routing tableCprefixes received from EBGP peers and prefixes locally originated via network statements or redistributedDprefixes received from EBGP peers and prefixes received from route reflectorsEprefixes received from other IBGP peers， prefixes received from EBGP peers，and prefixes redistributed to BGPFprefixes received from other IBGP peers and prefixes received from route reflectors
单选题Which types of prefixes will a router running BGP most likely advertise to an IBGP peer， assuming it is not configured as a route reflector？ （）A prefixes received from any other BGP peer and prefixes locally originated via network statements or redistributedB all prefixes in its routing tableC prefixes received from EBGP peers and prefixes locally originated via network statements or redistributedD prefixes received from EBGP peers and prefixes received from route reflectorsE prefixes received from other IBGP peers， prefixes received from EBGP peers， and prefixes redistributed to BGPF prefixes received from other IBGP peers and prefixes received from route reflectors
单选题To examine the Exhibit， press the Exhibit button. The system administrator notices a system with routing cannot communicate with a system with an ip address 192.24.34.6. Using the information provided in the exhibit， what is the most likely reason？（）AThe named is not runningBThe default gateway is not setCThe NIS master server is downDIpforwarding is not turned on
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.
单选题What is the first step in BGP route selection?（）AThe local router prefers the route with the shortest AS Path.BThe local router verifies that it has a route to the BGP Next Hop IP address.CThe local router prefers the route from the peer with the lowest peer ID address.DThe local router prefers the route learned from an EBGP peer over a route learned from an IBGP peer.