Router R1 connects to Router R2 over an Ethernet LAN with both routers using their F0/0 interfaces. R1 learns a route from R2 using EIGRP f or IPv6. That route lists F0/0 as the outgoing interface with R2 as the next hop. The configuration excerpt shows all relevant configuration on R2's F0/0 interface. Which of the following is true about R1's route?（） interface f0/0 mac - address 1111.1111.1 111 ipv6 address 2000::/64 eui - 64 ipv6 address 2001::1/64A、The next hop is 2000::1311:11FF:FE11:1111B、The next hop is FE80::1311:11FF:FE11:1111C、The next hop is FE80::5111:11FF:FE11:1111D、The next hop is 2001::1
Router R1 connects to Router R2 over an Ethernet LAN with both routers using their F0/0 interfaces. R1 learns a route from R2 using EIGRP f or IPv6. That route lists F0/0 as the outgoing interface with R2 as the next hop. The configuration excerpt shows all relevant configuration on R2's F0/0 interface. Which of the following is true about R1's route?（） interface f0/0 mac - address 1111.1111.1 111 ipv6 address 2000::/64 eui - 64 ipv6 address 2001::1/64
- A、The next hop is 2000::1311:11FF:FE11:1111
- B、The next hop is FE80::1311:11FF:FE11:1111
- C、The next hop is FE80::5111:11FF:FE11:1111
- D、The next hop is 2001::1
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某局域网通过两个路由器划分为三个子网，拓扑结构和地址分配如图1所示。1．以下是路由器R1的部分配置命令列表：Router＞enRouter＞conf termRouter (config) hostname R1Router (config) int e0R1 Router (config-if) (1)R1 Router (config-if) no shutdownR1 Router (config-if) (2)R1 Router (config) ip routingR1 Router (config) (3)请为空缺处(1)、(2)、(3)添加合适的命令/参数，实现R1的正确配置。2．以下是路由器R2的配置命令列表：Router＞enRouterconf termRouter (config) hostname R2R2 (config) int e0R2 (config-if) ip address 192.168.3.1 255.255.255.0R2 (config-if) no shutdownR2 (config-if) int s0R2 (config-if) ip address l92.168.2.2 255.255.255.0R2 (config-if) no shutdownR2 (config-if) (4)R2 (config) ip routingR2 (config) ip route 0.0.0.00.0.0.0 (5)R2 (config) ip classlessR2 (config) exitR2copy run start请为空缺处(4)、(5)添加合适的命令/参数，实现R2的正确配置。
以下是路由器R1的部分配置，请完成其配置，或解释配置命令含义。!R1 (Config) interface fastethernet0R1(Config-if) ip address (6) (7)R1(Config-if) (8) (开启端口)!R1 (Config) interface serial 0R1(Config-if) ip address (9) (10)!R1 (Config) ip routingR1 (Config) router rip (11)R1 (Config-router) (12) (声明网络)R1 (Config-router) (13) (声明网络)R1 (Config-router) (14) (声明网络)R1 (Config-router) version 2 (15)!
一台Cisc0路由器R1的第3模块第1端口通过DDN的E1专线与一台远程路由器R2的第4模块第2端口相连，在R1的端口上封装PPP协议。为R1和R2端口分配的IP地址分别为193．42．91．201/30和193．42．91．202/30。下列R2的端口配置，正确的是（ ）。A.Router（cortfig）#interface s4/2Router（config-if）#bandwidth 2048Router（config-if）#ip address 193．42．91．202 255．255．255．252Router（config-if）#encapsulation PPPRouter（config-if）#exitB.Router（config）#interface a4/2Router（config-if）#bandwidth 2048Router（config-if）#ip address 193．42．91．202 255．255．255．252Router（config-if）#encapsulation PPPRouter（config-if）#exitC.Router（config）#interface s4/2Router（config-if）#bandwidth 2048Router（config-if）#ip address 193．42．91．201 255．255．255．252Router（config-if）#encapsulation hdleRouter（config-if）#exitD.Router（config）#interface a4/2Router（config-if）#bandwidth 2048Router（config-if）#ip address 193．42．91．202 255．255．255．252Router（config-if）#encapsulation hdlcRouter（config-if）#exit
Router R1 connects to a Frame Relay cloud using a multipoint subinterface, with ten PVCs associated with the subinterface.What command would make this router not use a DR, and dynamically discover OSPF neighbors?（）A. ip ospf network broadcastB. ip ospf network non - broadcastC. ip ospf network point - to - multipointD. ip ospf network point - to - multipoint non - broadcast
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. EIGRP had converged in AS 1 when the link between router R1 and R2 went down. The console on router R2 generated the following messages:*Mar 20 12:12:06: %DUAL - 5NBRCHANG E: IP - EIGRP 1: Neighbor 10.1.4.3 (Serial0) is down: stuck in active*Mar 20 12:15:23: %DUAL -3- SIA: Route 10.1.1.0/24 stuck - in - active state in IP - EIGRP 1.Cleaning up The network administrator issued the show ip eigrp topology active command on R2 to check the status of the EIGRP network.Which statement best describes the reason for the error messages?（）A. Incorrect bandwidth configuration on router R3 prevents R2 from establishing neighbor adjacency.B. Incorrect bandwidth configuration on router R 5 prevents R2 from establishing neighbor adjacency.C. Router R3 did not reply to the query about network 10.1.1.0/24 sent by router R2 .D. Router R5 did not reply to the query about network 10.1.1.0/24 sent by router R2 .
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 and the partial configuration on router R2. On router R4 all RIP routes are redistributed into the OSPF domain. A second redistribu tion is configured on router R2 using a route map. Based on the configuration on router R2, which EIGRP external routes will be present in the routing table of R1?（）A. the routes originating from the RIP routing domainB. the routes originating from the OSPF stub areaC. all OSPF inter and intra - area routesD. all routes originating from RIP and OSPF routing domains
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. Network 10.0.0.0／8 is being advertised to autonomous system 65550 via both external links. Which statement about the preferred path to the 10.0.0.0／8 network is true? () A. Router R2 will be preferred because it has the higher neighbor IP address.B. Router R2 will be preferr ed because its neighbor has a lower autonomous system number.C. Router R1 will be preferred because it has a lower local preference.D. Router R2 will be preferred because it has a higher local preference.E. Router R1 will be preferred because its nei ghbor has the higher autonomous system number.F. Router R1 will be preferred because it has the lower neighbor IP address.
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 R5B. None of the BGP updates that are received on router R2 will ever be received by router R5C. All BGP updates that are received on router R2 will not be sent to routers R3 and R4D. All BGP updates that are received on router R2 will be sent directly to router R5
Refer to the exhibit. Router R1 is connected to networks 172.1 6.1.0 ／26 and 172.16.1.64 ／27. On the basis of the partial output in the exhibit, which statement is true? () A. Router R1 will deny the 172.16.1.0/26 route while permitting the 172.16.1.64/27 route to be advertised.B. Router R1 will advertise both rou tes.C. Router R1 should be reconfigured with an ACL instead of an ip prefix - list command.D. Router R1 will deny the 172.16.1.0/27 route while permitting the 172.16.1.0/26 route to be advertised.
You administer a network that uses two routers， R1 and R2， configured as an HSRP group to provide redundancy for the gateway. Router R1 is the active router and has been configured as follows： R1#configure terminal R1（config）#interface fa0/0 R1（config-if）#ip address 10.10.0.5 255.255.255.0 R1（config-if）#standby 1 priority 150 R1（config-if）#standby preempt delay minimum 50 R1（config-if）#standby 1 track interface fa0/2 15 R1（config-if）#standby 1 ip 10.10.0.20 Which of the following describes the effect the standby preempt delay minimum 50 command will have on router R1？（）A、 The HSRP priority for router R1 will increase to 200.B、 Router R1 will become the standby router if the priority drops below 50.C、 The HSRP priority for router R1 will decrease to 50 points when Fa0/2 goes down. D、 Router R1 will wait 50 seconds before attempting to preempt the active router.
Enterprise Router R1, in ASN 1, connects to ISP Router I1, ASN 2, using eBGP. There are two parallel serial links between the two rou ters. The implementation plan calls for each router to base their BGP TCP connection on their respective loopback1 interfaces, with IP addresses 1.1.1.1 and 2.2.2.2, respectively. Which of the following commands would not be part of a working eBGP confi guration on Router R1?（）A、router bgp 1B、neighbor 2.2.2.2 remote- as 2C、neighbor 2.2.2.2 update - source loopback1D、neighbor 2.2.2.2 multihop 2
Router R1 and R2 are both configured for HSRP. Which two statements about the HSRP priorities of these two routers are true？（）A、 To assign the HSRP router priority in a standby group， the standby group-number priority priority-value global configuration command must be used.B、 The default priority of a router is zero （0）.C、 The no standby priority command assigns a priority of 100 to the router.D、 Assuming that preempting has also been configured， the router with the lowest priority in an HSRP group would become the active router.E、 When two routers in an HSRP standby group are configured with identical priorities， the router with the highest configured IP address will become the active router.
A router has learned three possible routes that could be used to reach a destination network. One route is from EIGRP and has a composite metric of 20514560. Another route is from OSPF with a metric of 782.The last is from RIPv2 and has a metric of 4. Which route or routes will the router install in the routing table?（）A、Router R2 will not form a neighbor relationship with R1.B、Router R2 will obtain a full routing table, including a default route, from R1.C、R2 will obtain OSPF updates from R1, but will not obtain a default route from R1.D、R2 will not have a route for the directly connected serial network, but all other directly connected
Router R1 connects to a Frame Relay cloud using a multipoint subinterface, with ten PVCs associated with the subinterface. What command would make this router not use a DR, and dynamically discover OSPF neighbors?（）A、ip ospf network broadcastB、ip ospf network non - broadcastC、ip ospf network point - to - multipointD、ip ospf network point - to - multipoint non - broadcast
What must be configured on the network in order for users on the Internet to view web pages located on Web Server 2?（）A、On router R2， configure a default static route to the 192.168.1.0 network.B、On router R2， configure DNS to resolve the URL assigned to Web Server 2 to the 192.168.1.10 address.C、On router R1， configure NAT to translate an address on the 209.165.100.0/24 network to 192.168.1.10.D、On router R1， configure DHCP to assign a registered IP address on the 209.165.100.0/24 network to Web Server 2.
Router R1 sits inside OSPF area 1. Router R2 redistributes an E1 route into OSPF for prefix 2.2.2.0/24, with external metric 20. Router R22 redistributes an E2 route for the same prefix/length, external metric 10. Under what conditions will R1 choose as it s best route the route through R22?（）A、R1 will always choose the route through R22.B、As long as R1's best internal OSPF cost to reach R22 is less than 10.C、As long as R1's best internal OSPF cost to reach R22 is less than 20.D、R1 will never choo se the route through R22 if the E1 route through R2 is available.
Which of the following is the MOST accurate description of a L2/L3 switch?（）A、Performs switching and routing dutiesB、A router that directly connects to a switchC、A multi-purpose switch fabric used in full mesh environmentsD、A switch that directly connects to a router
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Enterprise Router R1, in ASN 1, connects to ISP Router I1, ASN 2, using eBGP. There are two parallel serial links between the two rou ters. The implementation plan calls for each router to base their BGP TCP connection on their respective loopback1 interfaces, with IP addresses 1.1.1.1 and 2.2.2.2, respectively. Which of the following commands would not be part of a working eBGP confi guration on Router R1?（）Arouter bgp 1Bneighbor 2.2.2.2 remote- as 2Cneighbor 2.2.2.2 update - source loopback1Dneighbor 2.2.2.2 multihop 2
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
单选题Router R1, a branch router, connects to the Internet using DSL. The engineer plans to use a configuration with a dialer interface. The answers list a feature and interface on which the feature could be configured. Which combinations accurately describe the interface under which a feature will be configured?（）APPP on the ATM interfaceBVPI/VCI on the dialer interfaceCIP address on the ATM interfaceDCHAP on the dialer interface
单选题What must be configured on the network in order for users on the Internet to view web pages located on Web Server 2?（）AOn router R2， configure a default static route to the 192.168.1.0 network.BOn router R2， configure DNS to resolve the URL assigned to Web Server 2 to the 192.168.1.10 address.COn router R1， configure NAT to translate an address on the 209.165.100.0/24 network to 192.168.1.10.DOn router R1， configure DHCP to assign a registered IP address on the 209.165.100.0/24 network to Web Server 2.
多选题In a lab, R1 connects to R2, which connects to R3. R1 and R2 each have several working interfaces, all assigned addresses in class A network 10.0.0.0. Router R3 has some working interfaces in class A net work 10.0.0.0, and others in class B network 172.16.0.0. The engineer experiments with the auto -summary command on R2 and R3, enabling and disabling the command in various combinations. Which of the following combinations will result in R1 seeing a rout e for 172.16.0.0/16, instead of the individual subnets of class B network 172.16.0.0?（）Aauto - summary on R2 and no auto - summary on R3Bauto - summary on R2 and auto - summary on R3Cno auto -summary on R2 and no auto- summary on R3Dno auto - summary on R2 and auto - summary on R3