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1、1窗体顶端Refer to the routing table shown in the exhibit. What is the meaning of the highlighted value 192? It is the value assigned by the Dijkstra algorithm that designates the number of hops in the network. It is the value used by the DUAL algorithm to determine the bandwidth for the link. It is the
2、metric, which is cost. It is the administrative distance. 窗体底端ObservableDescriptionMax Value1correctness of response2 points for Option 30 points for any other option 2This item references content from the following areas: CCNA Exploration: Routing Protocols and Concepts 3.5.1 Identifying Elements o
3、f the Routing Table 2窗体顶端What is the purpose of the TTL field within an IP packet header? clears an unreachable route from the routing table after the invalid timer expires prevents regular update messages from inappropriately reinstating a route that may have gone bad removes an unreachable route f
4、rom the routing table after the flush timer expires limits the period of time or number of hops a packet can traverse through the network before it should be discarded used to mark the route as unreachable in a routing update that is sent to other routers 窗体底端ObservableDescriptionMax Value1correctne
5、ss of response2 points for Option 40 points for any other option 2This item references content from the following areas: CCNA Exploration: Routing Protocols and Concepts 4.4.7 IP and TTL 3窗体顶端When would the network administrator use the ip bandwidth-percent eigrp as-number percent command? when ther
6、e is a low bandwidth connection when the connection is on a shared medium when the connection is serial instead of Ethernet when the link is always busy 窗体底端ObservableDescriptionMax Value1correctness of response2 points for Option 10 points for any other option 2This item references content from the
7、 following areas: CCNA Exploration: Routing Protocols and Concepts 9.5.5 Fine-tuning EIGRP 4窗体顶端What is the function of the OSPF LSU packet? used to confirm receipt of certain types of OSPF packets used to establish and maintain adjacency with other OSPF routers used to request more information abou
8、t any entry in the BDR used to announce new OSPF information and to reply to certain types of requests 窗体底端ObservableDescriptionMax Value1correctness of response2 points for Option 40 points for any other option 2This item references content from the following areas: CCNA Exploration: Routing Protoc
9、ols and Concepts 11.1.3 OSPF Packet Types 5窗体顶端Two routers need to be configured within a single OSPF area. Which two components need to be configured on both routers to achieve this? (Choose two.) the same process ID the same area ID network addresses and wildcard masks the same router ID the same
10、loop back address 窗体底端ObservableDescriptionMax Value1correctness of responseOption 2 and Option 3 are correct.1 point for each correct option.0 points if more options are selected than required. 2This item references content from the following areas: CCNA Exploration: Routing Protocols and Concepts
11、11.2.3 The network Command 6窗体顶端Which routing protocol maintains a topology table separate from the routing table? IGRP RIPv1 RIPv2 EIGRP 窗体底端ObservableDescriptionMax Value1correctness of response2 points for Option 40 points for any other option 2This item references content from the following area
12、s: CCNA Exploration: Routing Protocols and Concepts 9.1.1 EIGRP: An Enhanced Distance Vector Routing Protocol 7窗体顶端A router has learned two equal cost paths to a remote network via the EIGRP and RIP protocols. Both protocols are using their default configurations. Which path to the remote network wi
13、ll be installed in the routing table? the path learned via EIGRP the path learned via RIP the path with the highest metric value both paths with load balancing 窗体底端ObservableDescriptionMax Value1correctness of response2 points for Option 10 points for any other option 2This item references content f
14、rom the following areas: CCNA Exploration: Routing Protocols and Concepts 9.1.8 Administrative Distance 8窗体顶端Refer to the exhibit. Host A is unable to access the Internet. What is the reason for this? The IP address of host A is incorrect. The default gateway of host A is incorrect. The Fa0/1 interf
15、aces of the two routers are configured for different subnets. The subnet mask for the Fa0/0 interface of R1 is incorrect. 窗体底端ObservableDescriptionMax Value1correctness of response2 points for Option 30 points for any other option 2This item references content from the following areas: CCNA Explorat
16、ion: Routing Protocols and Concepts 1.2.1 Implementing Basic Addressing Schemes 9窗体顶端Which two locations can be the source of the Cisco IOS that is used by a router during the bootup process? (Choose two.) flash memory RAM NVRAM TFTP server configuration register 窗体底端ObservableDescriptionMax Value1c
17、orrectness of responseOption 1 and Option 4 are correct.1 point for each correct option.0 points if more options are selected than required. 2This item references content from the following areas: CCNA Exploration: Routing Protocols and Concepts 1.1.4 Router Boot-up Process 10窗体顶端Refer to the exhibi
18、t. R1 is configured properly for a single area OSPF, and R2 has been recently installed in the network. Which set of commands is required to configure a single area OSPF for the networks that are connected to R2? R2(config)# router ospf 1 R2(config-router)# network 192.168.2.0 0.0.0.255 area 0 R2(co
19、nfig-router)# network 10.1.1.0 0.0.0.3 area 0 R2(config)# router ospf 1 R2(config-router)# network 192.168.2.0 0.0.0.255 area 0 R2(config)# router ospf 2 R2(config-router)# network 10.1.1.0 0.0.0.3 area 0 R2(config)# router ospf 1 R2(config-router)# network 192.168.2.0 0.0.0.255 area 0 R2(config-rou
20、ter)# network 10.1.1.0 0.0.0.3 area 1 R2(config)# router ospf 1 R2(config-router)# network 192.168.2.0 0.0.0.255 area 0 R2(config-router)# network 10.0.0.0 0.0.0.3 area 1 窗体底端ObservableDescriptionMax Value1correctness of response2 points for Option 10 points for any other option 2This item reference
21、s content from the following areas: CCNA Exploration: Routing Protocols and Concepts 11.2.3 The network Command 11窗体顶端Refer to the exhibit. Routers R1 and R2 are directly connected via their serial interfaces and are both running the EIGRP routing protocol. R1 and R2 can ping the directly connected
22、serial interface of their neighbor, but they cannot form an EIGRP neighbor adjacency. What action should be taken to solve this problem? Enable the serial interfaces of both routers. Configure EIGRP to send periodic updates. Configure the same hello interval between the routers. Configure both route
23、rs with the same EIGRP process ID. 窗体底端ObservableDescriptionMax Value1correctness of response2 points for Option 40 points for any other option 2This item references content from the following areas: CCNA Exploration: Routing Protocols and Concepts 9.2.2 Autonomous Systems and Process IDs 12窗体顶端Refe
24、r to the exhibit. The interfaces of all routers are configured for OSPF area 0. R3 can ping R1, but the two routers are unable to establish a neighbor adjacency. What should the network administrator do to troubleshoot this problem? Check if the interfaces of the routers are enabled. Check the hello
25、 and dead intervals between the routers. Check the process ID of both routers. Check if CDP is enabled on all the routers. 窗体底端ObservableDescriptionMax Value1correctness of response2 points for Option 20 points for any other option 2This item references content from the following areas: CCNA Explora
26、tion: Routing Protocols and Concepts 11.2.5 Verifying OSPF 13窗体顶端Refer to the exhibit. The hosts that are connected to R2 are unable to ping the hosts that are connected to R1. How can this problem be resolved? Configure the router ID on both routers. Configure the R2 router interfaces for area 0. C
27、onfigure a loopback interface on both routers. Configure the proper subnet masks on the router interfaces. 窗体底端ObservableDescriptionMax Value1correctness of response2 points for Option 20 points for any other option 2This item references content from the following areas: CCNA Exploration: Routing Pr
28、otocols and Concepts 11.2.3 The network Command 14窗体顶端Refer to the exhibit. The command ip route 0.0.0.0 0.0.0.0 S0/0/0 is run on router R2. What are the two results of this command? (Choose two.) A static route will be updated in the routing table. The traffic from the Internet will be directed to
29、R2. The traffic from the source network 172.16.0.0/22 will be blocked. The route will be specified as the default route for all networks not defined in the routing table. All the broadcasts will be forwarded via the S0/0/0 interface of R2. 窗体底端ObservableDescriptionMax Value1correctness of responseOp
30、tion 1 and Option 4 are correct.1 point for each correct option.0 points if more options are selected than required. 2This item references content from the following areas: CCNA Exploration: Routing Protocols and Concepts 2.7.3 Solving the Missing Route 15窗体顶端Refer to the exhibit. All routers are pr
31、operly configured with default configurations and are running the OSPF routing protocol. The network is fully converged. A host on the 192.168.3.0/24 network is communicating with a host on the 192.168.2.0/24 network. Which path will be used to transmit the data? The data will be transmitted via R3-
32、R2. The data will be transmitted via R3-R1-R2. The traffic will be load-balanced between two paths one via R3-R2, and the other via R3-R1-R2. The data will be transmitted via R3-R2, and the other path via R3-R1-R2 will be retained as the backup path. 窗体底端ObservableDescriptionMax Value1correctness of
33、 response2 points for Option 20 points for any other option 2This item references content from the following areas: CCNA Exploration: Routing Protocols and Concepts 3.3.3 Load Balancing 16窗体顶端In a lab test environment, a router has learned about network 172.16.1.0 through four different dynamic rout
34、ing processes. Which route will be used to reach this network? D 172.16.1.0/24 90/2195456 via 192.168.200.1, 00:00:09, Serial0/0/0 O 172.16.1.0/24 110/1012 via 192.168.200.1, 00:00:22, Serial0/0/0 R 172.16.1.0/24 120/1 via 192.168.200.1, 00:00:17, Serial0/0/0 I 172.16.1.0/24 100/1192 via 192.168.200
35、.1, 00:00:09, Serial0/0/0 窗体底端ObservableDescriptionMax Value1correctness of response2 points for Option 10 points for any other option 2This item references content from the following areas: CCNA Exploration: Routing Protocols and Concepts 5.5.2 Propagating the Default Route in RIPv1 17窗体顶端Which two
36、 technologies can be used in distance vector routing protocols to prevent routing loops? (Choose two.) authentication link-state advertisements hold-down timers Spanning Tree Protocol split horizon 窗体底端ObservableDescriptionMax Value1correctness of responseOption 3 and Option 5 are correct.1 point fo
37、r each correct option.0 points if more options are selected than required. 2This item references content from the following areas: CCNA Exploration: Routing Protocols and Concepts 4.4.1 Definition and Implications 18窗体顶端Refer to the exhibit. A network administrator wants to reduce the size of the ro
38、uting table of R1. Which partial routing table entry in R1 represents the route summary for R2, without including any additional subnets? 10.0.0.0/16 is subnetted, 1 subnets D 10.5.0.090/205891 via 192.168.1.2, S0/0/0 10.0.0.0/24 is subnetted, 4 subnets D 10.5.0.090/205198 via 192.168.1.2, S0/0/0 10
39、.0.0.0/22 is subnetted, 1 subnets D 10.5.0.090/205901 via 192.168.1.2, S0/0/0 10.0.0.0/8 is subnetted, 4 subnets D 10.5.0.090/205001 via 192.168.1.2, S0/0/0 窗体底端ObservableDescriptionMax Value1correctness of response2 points for Option 30 points for any other option 2This item references content from
40、 the following areas: CCNA Exploration: Routing Protocols and Concepts 6.3.2 Calculating Route Summarization 19窗体顶端Refer to the exhibit. How many routes are ultimate routes? 3 4 5 7 窗体底端ObservableDescriptionMax Value1correctness of response2 points for Option 30 points for any other option 2This ite
41、m references content from the following areas: CCNA Exploration: Routing Protocols and Concepts 8.1.3 Level 1 Routes 20窗体顶端Which statement correctly describes a feature of RIP? RIP is a link-state routing protocol. RIP uses only one metrichop count for path selection. Advertised routes with hop coun
42、ts greater than 10 are unreachable. Messages are broadcast every 10 seconds. 窗体底端ObservableDescriptionMax Value1correctness of response2 points for Option 20 points for any other option 2This item references content from the following areas: CCNA Exploration: Routing Protocols and Concepts 5.1.2 RIP
43、v1 Characteristics and Message Format 21窗体顶端Refer to the exhibit. Which combination of IP address and subnet mask can be used on the serial interface of Router2 in order to put the interface in the same network as the serial interface of Router1? IP 172.16.0.18, subnet mask 255.255.255.0 IP 172.16.3
44、2.15, subnet mask 255.255.255.240 IP 172.16.0.18, subnet mask 255.255.255.252 IP 172.16.32.18, subnet mask 255.255.255.252 窗体底端ObservableDescriptionMax Value1correctness of response2 points for Option 40 points for any other option 2This item references content from the following areas: CCNA Explora
45、tion: Routing Protocols and Concepts 1.2.1 Implementing Basic Addressing Schemes 22窗体顶端The command ip route 192.168.2.0 255.255.255.0 172.16.2.2 was entered into the router. After network changes were made, the new next hop for the 192.168.2.0/24 network is 172.16.5.1. What should an administrator do so that the router will use the new next hop to reach the 192.168.2.0 network? Enter the command clear ip route *. Lower