A．requiresB．requestsC．requitesD．requisite

evice.After installing and configuring the device, which of the following steps should the technician takeNEXT？（）

A. Verity full system functionality

B. Identify the main problem and question the user

C. Document their findings, actions, and outcomes

D. Escalate the issue to upper management

A. Switching loop

B. Broadcast storm

C. IP conflict

D. Routing loop

that theuser can access other Internet pages. According to network troubleshooting methodology, which of the following steps should be taken NEXT？（）

A. Remotely connect to the user‘s laptop and review the network configuration settings

B. Ping the web server from inside the network to ensure it is still up and running.

C. Check to make sure the company‘s website is accessible from the Internet.

D. Ensure the Ethernet cable is securely plugged into the user‘s laptop

red touse a static IP address. The technician notes the following configuration:Which of the following changes will allow the desktop to communicate properly with remote networks？（）

A. Changing the DNS to 172.16.1.100

B. Changing the WINS server to 172.174.136

C. Changing the netmask to 255.255.255.0

D. Changing the default gateway to 172.16.3.1

t are directly connected through the serial line. The technician notices that the serial line is up but cannot see any neighbors displayed in the output of the show cdp neighbors command.In which OSI layer is the problem most likely occurring？（）

A. Physical

B. Data link

C. Network layer

D. Transport layer

E. Application layer

e Cisco IOS is outdated and needs to be updated.Which of the following commands would the technician issue to replace the Cisco router IOS with the newer version？（）

A. Router#copy tftp flash

B. Router(config)#restore flash

C. Router(config)#repair flash

D. Router#copy flash run

E. Router>copy start flash

F. Router#copy start flash

ghts on both the workstation NIC and the switch port to which the workstation is connected. However, when the ping command is issued from the workstation, the output message "Request timed out." is displayed. At which layer of the OSI model does the problem most likely exist（）。

A.the session layer

B.the protocol layer

C.the data link layer

D.the access layer

E.the network layer

F.the application layer

A.Configuring changes to hardware and software

B.Monitoring online purchasing

C.Monitoring user access to storage files

D.Monitoring and troubleshooting network devices

hecompany server. The server operator was working on upgrades the night before.Which of the following documents should the technician use to attempt to discover the problem？（）

A. Network maps

B. Change management

C. Baselines

D. Cable management