单选题A company uses Routers R1 and R2 to connect to ISP1 and ISP2, respectively, with Routers I1 and I2 used at the ISPs. R1 peers with I1 and R2; R2 peers with I2 and R1. Assuming as many default s ettings as possible are used on all four routers, which of the following is true about the next - hop IP address for routes R1 learns over its iBGP connection to R2?（）AThe next hop is I2's BGP RIDBThe next hop is I2's IP address used on the R2 - I2 neigh bor relationshipCThe next hop is R2's BGP RIDDThe next hop is R2's IP address used on the R1 - R2 neighbor relationship
单选题
A company uses Routers R1 and R2 to connect to ISP1 and ISP2, respectively, with Routers I1 and I2 used at the ISPs. R1 peers with I1 and R2; R2 peers with I2 and R1. Assuming as many default s ettings as possible are used on all four routers, which of the following is true about the next - hop IP address for routes R1 learns over its iBGP connection to R2?（）
A
The next hop is I2's BGP RID
B
The next hop is I2's IP address used on the R2 - I2 neigh bor relationship
C
The next hop is R2's BGP RID
D
The next hop is R2's IP address used on the R1 - R2 neighbor relationship
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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
Refer to the exhibit. Routers R1 and R2 have established a neighbor relationship and are exchanging routing information. The network design requires that R1 r eceive routing updates from R2, but not advertise any routes to R2. Which configuration command sequence will successfully accomplish this task? （）A. R1(config)# router eigrp 1 R1(config - router)# passive - interface serial 0B. R1(config)# access - list 2 0 deny any R1(config)# router eigrp 1 R1(config - router)# distribute - list 20 out serial 0C. R2(config)# access - list 20 permit any R2(config)# router eigrp 1 R2(config - router)# distribute - list 20 in serial 0D. R1(config)# access - list 20 permit any R 1(config)# router eigrp 1 R1(config - router)# distribute - list 20 in serial 0E. R2(config)# access - list 20 deny any R2(config)# router eigrp 1 R2(config - router)# distribute - list 20 out serial 0F. R2(config)# router eigrp 1 R2(config - router)# passive - interface serial 0
Refer to the exhibit. OSPF has been configured on all routers in the network. However, router R1 does not receive a default route to router R2 as in tended. Which configuration change would ensure that R1 would receive a default route from R2? （）A. Add the area 1 stub command on routers R1.B. Add the always keyword to the default - information originate configuration command on router R2.C. Remov e the default information originate configuration command from router R2 and place it on router R1.D. Add the ip route 5.0.0.0 255.255.255.0 0.0.0.0 command to router R2.
Refer to the exhibit. OSPF is configured on all routers in the network. On the basis of the show ip ospf n eighbor output, what prevents R1 from establishing a full adjacency with R2? () A. Router R1 will only establish full adjacency with the DR and BDR on broadcast multi- access networks.B. Router R2 has been elected as a DR for the broadcast multiaccess network in OSPF area 1.C. Routers R1 and R2 are configured as stub routers for OSPF area 1 and OSPF area 2.D. Router R1 and R2 are configured for a virtual link between OSPF area 1 and OSPF area 2.E. The Hello parameters on routers R1 and R2 do not m atch.
Refer to the exhibit. All routers have Protocol Independent Multicast (PIM) enabled interfaces. On the basis of the configuration provided on routers R1 and R2, which router will take on the func tion of rendezvous point (RP) for the multicast network? （）A. both routers R1 and R2B. router R1C. router R2D. none of the routers since they are not configured with static RP
Refer to the exhibit. Autonomous systems 200 and 300 have EBGP sessions established with their directly connected routers in au tonomous system 100. IGP has been configured on all routers in autonomous system 100 and they successfully exchange routing updates. Traffic originated in autonomous system 200 cannot reach the destination autonomous system 300. What configuration shoul d be done on the routers in autonomous system 100 in order for the traffic coming from autonomous system 200 to be forwarded to autonomous system 300?（）A. IBGP session must be established between routers R1 R2 and R2 R3, and the synchronization must be turned off.B. IBGP speakers within autonomous 100 must be fully meshed, and the synchronization must be turned on.C. IBGP session must be established between routers R1 R2 and R2 R3, and the synchronization must be turned on.D. IBGP session mu st be established between routers R1 and R3, and the synchronization must be turned off.E. IBGP speakers within autonomous 100 must be fully meshed, and the synchronization must be turned off.F. IBGP session must be established between routers R1 and R3, and the synchronization must be turned on.
Refer to the exhibit. The company uses EIGRP as the routing protocol. What path will packets take from a host on 192.168.10.192／26 network to a host on the LAN attached to router R1?() A.The path of the packets will be R3 to R2 to R1.B.The path of the packets will be R3 to R1 to R2.C.The path of the packets will be both R3 to R2 to R1 and R3 to R1.D.The path of the packets will be R3 to R1
Routers R1 and R2 are EIGRP neighbors. R1 has been configured with the eigrp stub connected command. Which of the following is true as a result？（）A、R1 can learn EIGRP routes from R2, but R2 cannot learn EIGRP routes from R1B、R1 can send IP packets to R2, but R2 cannot send IP packets to R1C、R2 no longer learns EIGRP routes from R1 for routes not connected to R1D、R1 no longer replies to R2's Query messagesE、R2n o longer sends to R1 Query messages
Two directly connected routers， R1 and R2， are both configured for OSPF graceful restart. R2 is able to switch packets in hardware， but R1 is not. If a network administrator logs on to R2 and performs a system reload， which will be the result？（）A、Traffic forwarded from R2 to or through R1 will continue to be forwarded based on the forwarding table state at the time of the reload.B、R2 will continue to forward traffic to R1， but R1 will drop the traffic because its neighbor adjacency with R2 has failed.C、R2 will continue forwarding traffic to and through R1， but R1 will drop this traffic because it is not capable of maintaining its forwarding state.D、All the traffic R2 is forwarding to or through R1 will be dropped while OSPF rebuilds its neighbor adjacency and forwarding tables.
Ten routers, R1 through R10, connect in a partial mesh over Frame Relay. For the mesh, R1 and R2 have PVCs connected to all other routers, but Routers R3 through R10 act as branch routers, with only two PVCs - one to R1 and one to R2. The routers u se IP subnet 10.1.1.0/24, with addresses 10.1.1.1, 10.1.1.2, and so on, through 10.1.1.10, respectively. The routers all use Inverse ARP to learn Frame Relay mapping information. All routers use a multipoint subinterface with network type point - tomultip oint nonbroadcast. A co - worker's implementation plan lists lots of configuration commands related to this design. The design states that all hosts should be able to ping all other hosts. Which commands are required for proper functioning of OSPF in this case?（）A、frame - relay map commands on R3 - R10 referencing the other routers in this groupB、Nine OSPF neighbor commands on each routerC、Nine OSPF neighbor commands on R1 and R2, with only two such commands on R3 - R10D、R1 and R2 with ip ospf prio rity 1 commands to ensure they become DR and BDRE、R3 - R10 with ip ospf priority 0 commands to ensure they do not become DR or BDR
Routers R1 and R2 are EIGRP neighbors using their Fa0/0 interfaces, respectively. An engineer adds the ip hello - interval eigrp 9 6 command to R1's Fa0/0 configuration. Which of the following is true regarding the results from this c hange？（）A、The show ip eigrp neighbors command on R1 lists the revised Hello timerB、The show ip eigrp interfaces command on R1 lists the revised Hello timerC、The R1 - R2 neighborship fails due to Hello timer mismatcHD、The show ip eigrp interfaces detail command on R1 lists the revised Hello timer
Assume two routers on the same subnet， R1 and R2， both configured for HSRP. R1 has a priority of 120.Which of the following HSRP interface configurations will always result in the R2 becoming the primary？（）A、standby 1 priority 110B、standby 1 priority 120C、standby 1 priority 130D、standby 1 priority 110 preemptE、standby 1 priority 120 preemptF、standby 1 priority 130 preempt
R1 and R2 exchange HSRP between each other in the Company network. In which three HSRP states do routers send hello messages？（）A、 LearnB、 SpeakC、 StandbyD、 ListenE、 ActiveF、 Remove
Your company has an IPv4 Ethernet network. A router named R1 connects your segment to the Internet. A router named R2 joins your subnet with a segment named Private1. The Private1 segment has a network address of 10.128.4.0/26. Your computer named WKS1 requires access to servers on the Private1 network.The WKS1 computer configuration is as shown in the following table. Network Addresses IPv4 Address 10.128.64.113 Subnet mask 255.255.252.0 Default Gateway 10.128.64.1 The routers are configured as shown in the following table. Router ID Addresses R1 interface 1 R1 interface 2 (To Internet) 10.128.64.1 131.107.108.37 R2 interface 1 R2 interface 2 10.128.64.10 10.128.4.1 WKS1 is unable to connect to the Private1 network by using the current configuration.You need to add a persistent route for the Private1 network to the routing table on WKS1.Which command should you run on WKS1？（）A、Route add -p 10.128.4.0/22 10.128.4.1B、Route add p 10.128.4.0/26 10.128.64.10C、Route add p 10.128.4.0 mask 255.255.255.192 10.128.64.1D、Route add p 10.128.64.10 mask 255.255.255.192 10.128.4.0
单选题Routers R1 and R2 are configured for HSRP as shown below： Router R1： interface ethernet 0 ip address 20.6.2.1 255.255.255.0 standby 35 ip 20.6.2.21 standby 35 priority 100 interface ethernet 1 ip address 20.6.1.1.2 255.255.255.0 standby 34 ip 20.6.1.21 Router R2： interface ethernet 0 ip address 20.6.2.2 255.255.255.0 standby 35 ip 20.6.2.21 interface ethernet 1 ip address 20.6.1.1.1 255.255.255.0 standby 34 ip 20.6.1.21 standby 34 priority 100 You have configured the routers R1 R2 with HSRP. While debugging router R2 you notice very frequent HSRP group state transitions. What is the most likely cause of this？ （）A physical layer issuesB no spanning tree loopsC use of non-default HSRP timersD failure to set the command standby 35 preempt
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?（）A22B11C1DNone
单选题Two directly connected routers， R1 and R2， are both configured for OSPF graceful restart. R2 is able to switch packets in hardware， but R1 is not. If a network administrator logs on to R2 and performs a system reload， which will be the result？（）ATraffic forwarded from R2 to or through R1 will continue to be forwarded based on the forwarding table state at the time of the reload.BR2 will continue to forward traffic to R1， but R1 will drop the traffic because its neighbor adjacency with R2 has failed.CR2 will continue forwarding traffic to and through R1， but R1 will drop this traffic because it is not capable of maintaining its forwarding state.DAll the traffic R2 is forwarding to or through R1 will be dropped while OSPF rebuilds its neighbor adjacency and forwarding tables.
多选题Ten routers, R1 through R10, connect in a partial mesh over Frame Relay. For the mesh, R1 and R2 have PVCs connected to all other routers, but Routers R3 through R10 act as branch routers, with only two PVCs - one to R1 and one to R2. The routers u se IP subnet 10.1.1.0/24, with addresses 10.1.1.1, 10.1.1.2, and so on, through 10.1.1.10, respectively. The routers all use Inverse ARP to learn Frame Relay mapping information. All routers use a multipoint subinterface with network type point - tomultip oint nonbroadcast. A co - worker's implementation plan lists lots of configuration commands related to this design. The design states that all hosts should be able to ping all other hosts. Which commands are required for proper functioning of OSPF in this case?（）Aframe - relay map commands on R3 - R10 referencing the other routers in this groupBNine OSPF neighbor commands on each routerCNine OSPF neighbor commands on R1 and R2, with only two such commands on R3 - R10DR1 and R2 with ip ospf prio rity 1 commands to ensure they become DR and BDRER3 - R10 with ip ospf priority 0 commands to ensure they do not become DR or BDR
多选题Routers R1 and R2 are EIGRP neighbors. R1 has been configured with the eigrp stub connected command. Which of the following is true as a result？（）AR1 can learn EIGRP routes from R2, but R2 cannot learn EIGRP routes from R1BR1 can send IP packets to R2, but R2 cannot send IP packets to R1CR2 no longer learns EIGRP routes from R1 for routes not connected to R1DR1 no longer replies to R2's Query messagesER2n o longer sends to R1 Query messages
单选题Routers R1 and R2 are configured for HSRP as shown below： Router R1： interface ethernet 0 ip address 20.6.2.1 255.255.255.0 standby 35 ip 20.6.2.21 standby 35 priority 100 interface ethernet 1 ip address 20.6.1.1.2 255.255.255.0 standby 34 ip 20.6.1.21 Router R2： interface ethernet 0 ip address 20.6.2.2 255.255.255.0 standby 35 ip 20.6.2.21 interface ethernet 1 ip address 20.6.1.1.1 255.255.255.0 standby 34 ip 20.6.1.21 standby 34 priority 100 You have configured the routers R1 R2 with HSRP. While debugging router R2 you notice veryfrequent HSRP group state transitions. What is the most likely cause of this？（）Aphysical layer issuesBno spanning tree loopsCuse of non-default HSRP timersDfailure to set the command standby 35 preempt
多选题A company uses Routers R1 and R2 to connect to ISP1 and ISP2, respectively, with Routers I1 and I2 used at th e ISPs. R1 peers with I1 and R2; R2 peers with I2 and R1. R1 and R2 do not share a common subnet, relying on other routers internal to the Enterprise for IP connectivity between the two routers. Which of the following could be used to prevent potential routing loops in this design?（）AUsing an iBGP mesh inside the Enterprise coreBConfiguring default routes in the Enterprise pointing to both R1 and R2CRedistributing BGP routes into the Enterprise IGPDTunneling the packets for the i BGP connection between R1 and R2
多选题An engineer has been told to create an implementation plan to influence the choice of best BGP route on a single router using the Weight featurE. The sole Enterprise Internet - connected router, Ent 1, has neighbor relationships with Routers ISP1 and ISP2, which reside inside two different ISPs. The goal is to prefer all routes learned from ISP1 over ISP2 using Weight. Which of the following answers lists a configuration step that would not be usefu l for achieving these goals?（）AConfiguring the neighbor weight command on Ent1.BHaving the ISPs configure the neighbor route - map out command on ISP1 and ISP2, with the route map setting weight.CConfiguring the set weight command inside a route map on Router Ent1.DConfiguring a prefix list to match all class C networks.
多选题R1 and R2 exchange HSRP between each other in the Company network. In which three HSRP states do routers send hello messages？（）ALearnBSpeakCStandbyDListenEActiveFRemove
单选题Routers R1 and R2 are EIGRP neighbors using their Fa0/0 interfaces, respectively. An engineer adds the ip hello - interval eigrp 9 6 command to R1's Fa0/0 configuration. Which of the following is true regarding the results from this c hange？（）AThe show ip eigrp neighbors command on R1 lists the revised Hello timerBThe show ip eigrp interfaces command on R1 lists the revised Hello timerCThe R1 - R2 neighborship fails due to Hello timer mismatcHDThe show ip eigrp interfaces detail command on R1 lists the revised Hello timer