The OSI model is a useful tool in troubleshooting a network because it enables y

Question

The OSI model is a useful tool in troubleshooting a network because it enables you to isolate a problem to a particular software module or piece of hardware. In this project, after reading the description of a problem, identify the OSI model layer or layers that are most likely involved.

1. A computer won't connect to the network. After some investigation, you find that the patch cable is not terminated correctly.

2. A computer can access resources on the local LAN, but not on a different subnet. You find that the computer's default gateway is not configured correctly.

3. You can ping a computer you are trying to transfer files to via FTP, but you cannot communicate by using FTP.

4. All computers connected a particular hub have lost network connectivity. You determine that the hub is the problem.

5. You receive an encrypted text file, but when you open it, the text is unreadable. You determine that decryption did not take place as it should have.

Explanation / Answer

1.Layer1,physical

2.Layer3,network

3.Layer7,application

4.Layer1,physical

5.Layer6,presentation

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