the osi model is a useful tool in troubleshooting a network because it enables you to isolat a problem to a partiuclar software module or piece of hardware. in this project, you read the description of a problem and then idenify the osi model layer or layers that are most likely involved

$-$a computer won't connect to the network. after some investivation, you find that the patch cable isn't terminated correctly

$-$a computer can access resources on the local lan but not on a different subnet. you find that the computer's default gateway isn't conigured correctly