單項選擇題You are upgrading your Cisco router IOS from a TFTP server over the network. The upgrade procedure is stopped and you are prompted to erase the current flash contents before continuing. What is most plausible reason for this? （）

A. There is insufficient room for more than one image.
B. The router has detected a copy of the current software image on the TFTP server.
C. The file can be relocated and not compressed.
D. The image to load is a binary executable file.


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1.單項選擇題At Layer 2 of the OSI model, which component connects a host to the network media?（）

A. Hub
B. Switch
C. Bridge
D. NIC
E. Transceiver

2.單項選擇題Which command is required for connectivity in a Frame Relay network if Inverse ARP is not operational?（）

A. frame-relay arp
B. frame-relay map
C. frame-relay interface-dlci
D. frame-relay lmi-type

3.單項選擇題What will a router do during startup if a configuration file is not located in NVRAM?（）

A. it will search for the configuration file in the locations specified by boot system commands.
B. it will search for the configuration file in flash and if no configuration file is found there, it will enter the setup dialog.
C. it will search for the configuration file on a TFTP server and if no configuration file is found there, it will enter the setup dialog.
D. it will search for the configuration file in flash and if no configuration file is found there, it will load a limited configuration file from ROM.
E. it will search for the configuration file on a TFTP server and if no configuration file is found there, it will load a limited configuration file from ROM.

4.單項選擇題A router leams about a remote network from EIGRP.OSPF. and a static route. Assuming all routing protocols are using their default administrative distance, which route will the router use to forward data to the remote network?（）

A. The router will use the static route.
B. The router will use the OSPF route.
C. The route will use the EIGRP route.
D. The router will load balance and use all three routes.

最新試題

What is a global command?（）

題型：單項選擇題

A network host is configured as follows: Host IP address: 192.168.16.183 Subnet mask: 255.255.255.224 Default gateway: 192.168.16.190 Which of the following statements describe the network to which this host is attached?（）

題型：多項選擇題

All WAN links is side the TestKing.com network use PPP with for authentication security. Which command will display the CHAP authentication process as it occurs between two routers in the network?（）

題型：單項選擇題

What should the configuration register value be after successfully completing the password recover procedure and returning the router to normal operation? （）

題型：單項選擇題

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題型：多項選擇題

Given a subnet mask of 255.255.255.224, which of the following addresses can be assigned to network hosts?（）

題型：多項選擇題

An administrator would like to configure a switch over a virtual terminal connection from locations outside of the local LAN. Which of the following are required in order for the switch to be configured from a remote location? （）

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Which of the following host addresses are member of networks that can be routed across the public Internet? （）

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A technician at TestKing needs to update the network documentation. One of the tasks includes documenting the name of the IOS image file of each router in the network.Which commands could be used to find this information?（）

題型：單項選擇題

How many usable sub network and usable hosts per subnet result in the network address 201.105.13.0 is sub netted with a mask of /26? （）

題型：單項選擇題