Module 8.6.3 Troubleshoot Common Network Problems Quiz Answers
Network Addressing and Basic Troubleshooting – Module 8.6.3 Troubleshoot Common Network Problems Quiz Answers
1. A user calls the help desk to report a workstation problem. Which three questions would produce the most helpful information for troubleshooting? (Choose three.)
- If you received an error message, what was it?
- What changes have you made to your workstation?
- Do you have the warranty for your workstation?
- What operating system version is running on your workstation?
- Have you used a network monitoring tool on your workstation?
- Have you performed a backup recently?
2. Users are complaining that they are unable to browse certain websites on the Internet. An administrator can successfully ping a web server via its IP address, but cannot browse to the domain name of the website. Which troubleshooting tool would be most useful in determining where the problem is?
3. What are two common causes of a physical layer network connectivity problem? (Choose two.)
- a monitor unplugged
- an Ethernet cable plugged into a wrong port
- an incorrect default gateway
- an unassigned IP address
- a faulty Ethernet cable
4. The home computer of a user is working properly. However, the user cannot access the Internet. The Internet connection is provided through a cable company. The user cannot identify the cause of the problem. Who should the user contact for further help?
- the operating system vendor
- the help line of the cable company
- the help line of the computer manufacturer
- the support web site of the computer vendor
5. Which troubleshooting method begins by examining cable connections and wiring issues?
6. A user is unable to connect to the Internet. The network administrator decides to use the top-down troubleshooting approach. Which action should the administrator perform first?
- Run the tracert command to identify the faulty device.
- Check the patch cable connection from the PC to the wall.
- Enter an IP address in the address bar of the web browser to determine if DNS has failed.
- Run the ipconfig command to verify the IP address, subnet mask, and gateway on the PC.
7. If an administrator is troubleshooting a WLAN using a bottom up approach, which action would be taken first?
- Update the firmware on the AP.
- Make sure all devices are powered on.
- Ping the AP.
- Verify that the GUI interface is accessible from a client.
8. A laptop cannot connect to a wireless access point. Which two troubleshooting steps should be taken first? (Choose two.)
- Ensure that the wireless NIC is enabled.
- Ensure that the laptop antenna is attached.
- Ensure that the wireless SSID is chosen.
- Ensure that the correct network media is selected.
- Ensure that the NIC is configured for the proper frequency.
9. For the second time in a week, workstations on a LAN are not able to log into a specific server. The technician fixed the problem the first time, but cannot remember the steps taken to solve it. What aspect of the troubleshooting process has the technician neglected?
- identifying the problem
- asking questions of end users
- documenting the troubleshooting process
- using structured techniques to solve a problem
10. A technician suspects that a new switch is the source of a network problem. While troubleshooting, the technician notices a blinking green activity LED on some of the ports. What does this indicate?
- There are no cables plugged into the ports.
- The power supply is the source of the problem.
- The ports are operational and are receiving traffic.
- The ports are operational, but no traffic is flowing.
11. A customer called the cable company to report that the Internet connection is unstable. After trying several configuration changes, the technician decided to send the customer a new cable modem to try. What troubleshooting technique does this represent?
12. Which step should be taken next once a problem is resolved during a troubleshooting process?
- Consult an FAQ.
- Escalate the problem.
- Update the documentation.
- Run remote access software.
13. A technician installed a network adapter in a computer and wants to test network connectivity. The ping command can receive responses from workstations on the same subnet but not from remote workstations. What could be causing the problem?
- The NIC driver is out of date.
- The operating system is not compatible with the remote sites.
- The TCP/IP protocol stack is not loaded.
- The default gateway is incorrect.