Lesson 21 - Network Troubleshooting

Network model top-to-bottom approach, Network model bottom-to-top approach, Network model divide-and-conquer approach

Troubleshooting networks add which elements to the general troubleshooting model? (Choose three.)

Tracert

Users who are retrieving information from a company server on the network are experiencing slow access times. Which tool would provide access time information on each segment of the network to reach the server?

Verify that the switch has power

A company's network consists of a primary switch at one end of the office building and a secondary switch at the other end of the building. These switches are networked together. The office experiences a brownout only affecting the half of the building connected to the secondary switch. When power is restored, users connected to the secondary switch report no network or Internet connectivity. Which of the following should be verified on the secondary switch to resolve this issue?

Dig, Nslookup

Network technician John Watson, needs to check if the domain name resolution system is functioning properly. Which of the following software tools would he use to accomplish this? (Select TWO).

Power failure

There has been a brief brownout at the company. Power is restored and user Nick can connect to the internal network, but not the Internet. Which of the following happened to the company's DSL router that is causing this issue?

Network model top-to-bottom approach

Troubleshooting networks add which element to the general troubleshooting model?

Open Network

What type of Wi-Fi network would be the easiest to gain entry to?

a. Light meter

Which device tests the power of fiber-optic light pulses?

Incorrect termination, Mismatched standards

Which of the following hardware problems could prevent a node from attaching to a switch? (Select two.)

Malicious user

Which type of user is most likely to cause a DOS attack?