Chapter 8 Part 4

ABC Company requires preventive maintenance for all local network cabling once a year. Which task should be included in the preventive maintenance program?

• Disconnect and reconnect all patch cables.

• Inspect all patch cables for breaks.

• Replace all labeling on the cables.

• Replace all cable supports to prevent loose attachment points.

What is a benefit of performing preventative maintenance at regular intervals?

• reduction in network downtime

• reduction in connectivity

• reduction in security threats

• reduction in EMI and RFI

A user cannot access the network. While the technician is checking the computer, the other users on the same network report that they are having the same problem. Further investigation shows that the LED lights on each NIC are not lit. What should the technician do next?

• Check each computer to verify that they all have the same settings.

• Report the problem to the network administrator.

• Attempt to ping devices on other networks.

• Use nslookup to check network connectivity.

A user can print to a printer that is on the same network, but the traffic of the user cannot reach the Internet. What is a possible cause of the problem?

• The PC default gateway address is missing or incorrect.

• The PC has an incorrect IP address.

• The network cable connected to the user PC is faulty.

• The NIC on the PC is faulty.

A technician is investigating a report that a computer is unable to access network resources. The technician discovers that the computer has an IP address of 169.254.27.168. What is a logical first step in diagnosing this problem?

• Attempt to ping the default gateway.

• Check the NIC LED lights.

• Test that DNS is operating correctly.

• Activate Network Discovery and File Sharing.

A Windows 7 computer is unable to reach a mapped drive on a file server that is on another network within the organization. Further investigation shows that the user is able to use a printer that is connected to the same network as the computer. Which action should the technician perform next?

• Verify that DNS name resolution is operating properly.

• Inspect the network patch cable for wear or breaks.

• Check Network Connection Details in the Windows GUI for the appropriate network connection.

• Check the link LED on the NIC.

A user has taken a personal laptop to work. The laptop is unable to discover the name of the office wireless network. What are two potential causes of this problem? (Choose two.)

• The wireless router is not broadcasting the SSID.

• The laptop has not received an IP address from the wireless router.

• The wireless router is set to mixed mode.

• The network does not support the wireless protocol in use by the laptop.

• The laptop must be configured with the office workgroup name.

A network technician attempts to ping www.example.net from a customer computer, but the ping fails. Access to mapped network drives and a shared printer are working correctly. What are two potential causes for this problem? (Choose two.)

• The Windows domain or workgroup name that is configured on the computer is incorrect.

• The target web server is down.

• The computer has been assigned a static IP address.

• DNS service is unavailable on the customer network.

• The HTTP protocol is not working properly on the target server.

Which operation should a network technician perform as a part of regular preventive maintenance procedures on the network?

• Review the access log of the server farm facility.

• Verify the bandwidth of the WAN connection to the ISP.

• Check the network cable connections in the wiring closet.

• Ensure antivirus definitions are updated to the latest version on servers.

A technician is troubleshooting a computer that has lost connectivity to the network. After data is gathered from the customer, which two tasks should the technician complete next? (Choose two.)

• Verify that the computer has a valid IP address.

• Verify that the computer has the most up to date version of the OS.

• Try to log in as a different user.

• Repair the network cable.

• Check that the NIC link light is lit.