Chapter 6 IP RoutingWord文件下载.docx

1、If OSPF is the routing protocol, the path will be from R1 to R2 to R5.If OSPF is the routing protocol, the path will be from R1 to R5.If RIPv2 is the routing protocol, the path will be from R1 to R3 to R4 to R5.If RIPv2 is the routing protocol, the path will be from R1 to R5.QUESTION 19Refer to the

2、exhibit. The networks connected to router R2 have been summarized as a 192.168.176.0/21 route and sent to R1. Which two packet destination addresses will R1 forward to R2?192.168.194.160192.168.183.41192.168.159.2192.168.183.255192.168.179.4192.168.184.45 BEQUESTION 21Refer to the exhibit. Which thr

3、ee statements are true about how router JAX will choose a path to the 10.1.3.0/24 network when different routing protocols are configured? （Choose three.）By default, if RIPv2 is the routing protocol, only the path JAX-ORL will be installed into the routing table.The equal cost paths JAX-CHI-ORL and

4、JAX- NY-ORL will be installed in the routing table if RIPv2 is the routing protocol.When EIGRP is the routing protocol, only the path JAX-ORL will be installed in the routing table by default.When EIGRP is the routing protocol, the equal cost paths JAX-CHI-ORL, and JAX-NY-ORL will be installed in th

5、e routing table by default.With EIGRP and OSPF both running on the network with their default configurations, the EIGRP paths will be installed in the routing table.The OSPF paths will be installed in the routing table, if EIGRP and OSPF are both running on the network with their default configurati

6、ons. ADEQUESTION 25Refer to the exhibit. The network administrator must establish a route by which London workstations can forward traffic to the Manchester workstations. What is the simplest way to accomplish this?Configure a dynamic routing protocol on London to advertise all routes to Manchester.

7、Configure a dynamic routing protocol on London to advertise summarized routes to Manchester.Configure a dynamic routing protocol on Manchester to advertise a default route to the London router.Configure a static default route on London with a next hop of 10.1.1.1.Configure a static route on London t

8、o direct all traffic destined for 172.16.0.0/22 to 10.1.1.2.Configure Manchester to advertise a static default route to London. EQUESTION 73Refer to the exhibit. What is the most appropriate summarization for these routes?10.0.0.0 /2110.0.0.0 /2210.0.0.0 /2310.0.0.0 /24 BQUESTION 107ip route 172.16.

9、1.0 255.255.255.0 0.0.0.0ip route 172.16.1.0 255.255.255.0 172.16.2.1ip route 0.0.0.0 255.255.255.0 172.16.2.1ip route 0.0.0.0 0.0.0.0 172.16.2.1 DQUESTION 108If IP routing is enabled, which two commands set the gateway of last resort to the default gateway?ip default-gateway 0.0.0.0ip route 172.16.

10、2.1 0.0.0.0 0.0.0.0ip default-network 0.0.0.0ip default-route 0.0.0.0 0.0.0.0 172.16.2.1 CEQUESTION 114What must be set correctly when configuring a serial interface so that higher-level protocols calculate the best route?bandwidthdelayloadreliability AQUESTION 131What are two characteristics of RIP

11、v2?classful routing protocolvariable-length subnet masksbroadcast addressingmanual route summarizationuses SPF algorithm to compute path BDSection: Chapter 6: IP RoutingRIPv1A classful distance vector routing protocolDoes not support VLSMRouting updates are broadcastSupport auto-summarization.RIPv2A

12、 classless distance vector routing protocolSupport VLSM Routing updates are multicastSupport manual route summarization.QUESTION 133What two things will a router do when running a distance vector routing protocol?Send periodic updates regardless of topology changes.Send entire routing table to all r

13、outers in the routing domain.Use the shortest-path algorithm to the determine best path.Update the routing table based on updates from their neighbors.Maintain the topology of the entire network in its database. ADQUESTION 134Refer to the exhibit. According to the routing table, where will the route

14、r send a packet destined for 10.1.5.65?10.1.1.210.1.2.210.1.3.310.1.4.4 CQUESTION 137Refer to the exhibit. You are connected to the router as user Mike. Which command allows you to see output from the OSPF debug command?terminal monitorshow debuggingshow sessionsshow ip ospf interfaceQUESTION 139Ref

15、er to the exhibit. Which （config-router） command will allow the network represented on the interface to be advertised by RIP?redistribute ethernet0network ethernet0redistribute 10.12.0.0network 10.12.0.0QUESTION 140Refer to the exhibit. What information can be gathered from the output?One router is

16、running RIPv1.RIP neighbor is 224.0.0.9.The network contains a loop.Network 10.10.1.0 is reachable.QUESTION 148Refer to the exhibit. The user at Workstation B reports that Server A cannot be reached. What is preventing Workstation B from reaching Server A?The IP address for Server A is a broadcast a

17、ddress.The IP address for Workstation B is a subnet address.The gateway for Workstation B is not on the same subnet.The gateway for Server A is not on the same subnet.QUESTION 158Which router IOS commands can be used to troubleshoot LAN connectivity problems?pingtracertipconfigshow ip routewinipcfgs

18、how interfaces ADFQUESTION 164Which characteristics are representative of a link-state routing protocol?provides common view of entire topologyexchanges routing tables with neighborscalculates shortest pathutilizes event-triggered updatesutilizes frequent periodic updates ACDQUESTION 166Use the outp

19、ut from the router shown in the graphic above to determine which of the following are correct. （Choose two.）Router John uses a link-state routing protocol.Router John will receive routing updates on the Serial0/0 interface.Router John will receive routing updates on the Serial0/1 interface.Router Jo

20、hn will send routing updates out the Serial0/0 interface.Router John will send routing updates out the FastEthernet0/0 interface.Router John will send routing updates out the Serial0/1 interface.QUESTION 171OSPF routing uses the concept of areas. What are the characteristics of OSPF areas?Each OSPF

21、area requires a loopback interface to be configured.Areas may be assigned any number from 0 to 65535.Area 0 is called the backbone area.Hierarchical OSPF networks do not require multiple areas.Multiple OSPF areas must connect to area 0.Single area OSPF networks must be configured in area 1. BCEQUEST

22、ION 172What information does a router running a link-state protocol use to build and maintain its topological database?hello packetsSAP messages sent by other routersLSAs from other routersbeacons received on point-to-point linksrouting tables received from other link-state routersTTL packets from d

23、esignated routers ACExplanation/Reference:QUESTION 173Which statements describe the routing protocol OSPF?It supports VLSM.It is used to route between autonomous systems.It confines network instability to one area of the network.It increases routing overhead on the network.It allows extensive contro

24、l of routing updates.It is simpler to configure than RIP v2. ACEQUESTION 178Which destination addresses will be used by Host A to send data to Host C?the IP address of Switch 1the MAC address of Switch 1the IP address of Host Cthe MAC address of Host Cthe IP address of the routers E0 interfacethe MAC address of the router CFQUESTION 179Host 1 is trying to communicate with Host 2. The e0 interface on Router C is down. Which of the following are true?Router C will use ICMP to inform Host 1 that Host 2 cannot be reached.Router C will use ICMP to inform Router B that Host 2 ca