[单选题]
Refer to the exhibit. A router boots to the prompt shown in the exhibit. What does this signify, and how
Should the network administrator respond?
A. This prompt signifies that the configuration file was not found in NVRAM. The network administratorshould follow the prompts to enter a basic configuration.
B. The prompt signifies that the configuration file was not found in flash memory. The networkadministrator should use TFTP to transfer a configuration file to the router.
C. The prompt signifies that the IOS image in flash memory is invalid or corrupted. The networkadministrator should use TFTP to transfer an IOS image to the router.
D. The prompt signifies that the router could not authenticate the user. The network administrator shouldmodify the IOS image and reboot the router.

[单选题]
Refer to the topology and router output shown in the exhibit. A technician is troubleshooting host
Connectivity issues on the switches. The hosts in VLANs 10. and 15. on Sw11. are unable to communicate
With hosts in the same VLANs on Sw12.. Hosts in the Admin VLAN are able to communicate. The port-to-
VLAN assignments are identical on the two switches. What could be the problem?
A. The Fa0./1. port is not operational on one of the switches.
B. The Link connecting the switches has not been configured as a trunk.
C. At lease one port needs to be configured in VLAN 1. for VLANs 10. and 15. to be able to communicate.
D. Port FastEthernet 0./1. needs to be configured as an access link on both switches.
E. A router is required for hosts on Sw11. in VLANs 10. and 15. to communicate with hosts in the sameVLAN on Sw12..

[单选题]
Refer to the exhibit. The Bigtime router is unable to authenticate to the Littletime router. What is the cause
Of the problem?
A. The usernames are incorrectly configured on the two routers.
B. The passwords do not match on the two routers.
C. CHAP authentication cannot be used on a serial interface.
D. The routers cannot be connected from interface S0./0. to interface S0./0..
E. With CHAP authentication, one router must authenticate to another router. The routers cannot be
Configured to authenticate to each other.

[单选题]
Refer to the exhibit. A router interface is being configured for Frame Relay. However, as the exhibit shows,
The router will not accept the command to configure the LMI type. What is the problem?
A. The interface does not support Frame Relay connections.
B. The interface does not have an IP address assigned to it yet.
C. The interface requires that the no shutdown command be configured first.
D. the interface requires that the encapsulation frame-relay command be configured first.

[多选题]Refer to the exhibit. The router has been configured with these commands:
Hostname Gateway
Interface FastEthernet 0./0.
No shutdown
Interface FastEthernet 0./1.
No shutdown
Interface Serial 0./0.
No shutdown
A.What are the two results of this configuration? (Choose two.)
B. Hosts on the LAN that is connected to FastEthernet 0./1. are using public IP addressing.
C. The address of the subnet segment with the WWW server will support seven more servers.
D. The addressing scheme allows users on the Internet to access the WWW server.
E. Hosts on the LAN that is connected to FastEthernet 0./1. will not be able to access the Internet without
Address translation.

[判断题]每个运行 OSPF 的路由器 Router 都有一个 ID,该 Router lD 必须在 OSPF 进程视图下发布。
A.正确
B.错误

[单选题]每个运行OSPF的路由器都有一个Router ID，该Router ID必须在OSPF进程视图下发布
A.

真

B.

假

[单选题] 如下图所示的网络,通过静态路由的方式使 Router A 和 Router B 的loopback 0 通信,则需要在 Router A 输入如下那条命令? ( )
A.ip route-static 10.0.2.2 0 GigabitEthernet 0/0/0
B.ip route-static 10.0.2.2 32 GigabitEthernet 0/0/0
C.ip route-static 10.0.2.2 255.255.255.255 10.0.12.1
D.ip route-static 10.0.2.2 255.255.255.255 10.0.12.2

[判断题] 45
每个运行OSPF的路由器都有一个Router-ID,该Router-ID必须在OSPF中进行发布。
A.正确
B.错误

[单选题]ROUTER工作在（）
A. 数据链路层
B. 网络层
C. 传输层
D. 应用层

[单选题]
A router has two FastEthernet interfaces and needs to connect to four vlans in the local network.How can
You accomplish this task,using the fewest physical interfaces and without decreasing network performance?
A. Add two more FastEthernet interfaces.
B. Add a second router to handle the vlan traffic.
C. Use a hub to connect the four vlans with a FastEthernet interface on router.
D. Implement a router-on-a-stick configuration.

[单选题]
A router has learned three possible routes that could be used to reach a destination network. One route is
The last is from RIPv2. and has a metric of 4.. Which route or routes will the router install in the routing
Table?
A. the OSPF route
B. the EIGRP route
C. the RIPv2. route
D. all three routes
E. the OSPF and RIPv2. routes

[判断题]Router ID 必须在OSPF 中进行发布
A.正确
B.错误

[多选题]
What information does a router running a link-state protocol use to build and maintain its topological
Database? (Choose two.)
A. hello packets
B. SAP messages sent by other routers
C. LSAs from other routers
D. beacons received on point-to-point links
E. routing tables received from other link-state routers
F. TTL packets from designated routers

[单选题]
There are no boot system commands in a router configuration in NVRAM.What is the fallback sequence
That router will use to find an ios during reload?
A. Flash,TFTP server,ROM
B. Flash,NVRAM,ROM
C. ROM,NVRAM,TFTP server
D. NVRAM,TFTP server,ROM
E. TFTP server,Flash,NVRAM

[单选题]
In which solution is a router ACL used?
A. protecting a server frome unauthorized acces
B. controlling path selection,based on the route metric
C. reducing router CPU utilization
D. filterring packets that are passing through a router

[单选题]
A cisco router is booting and has just completed the POST process.It is now ready to find and load anIOSimage.what function does the router perform next?
A. It checks the configuration register
B. It attempts to boot from a TFTP server
C. It loads the first image file in flash memory
D. It inspects the configuration file in NVRAM for boot instructions

[多选题]
Which router IOS commands can be used to troubleshoot LAN connectivity problems? (Choose three.)
A. ping
B. tracert
C. ipconfig
D. show ip route
E. winipcfg
F. show interfaces

[多选题]
What two things will a router do when running a distance vector routing protocol? (Choose two.)
A. Send periodic updates regardless of topology changes.
B. Send entire routing table to all routers in the routing domain.
C. Use the shortest-path algorithm to the determine best path.
D. Update the routing table based on updates from their neighbors.
E. Maintain the topology of the entire network in its database.