A network administrator is having issues with a newly installed network not appearing in other routers. At which layer of the OSI model is the network administrator going to start the troubleshooting process when using a top-down approach?
IT Exam Items Repository › Category: CCNA › A network administrator is having issues with a newly installed network not appearing in other routers. At which layer of the OSI model is the network administrator going to start the troubleshooting process when using a top-down approach?
A network administrator is having issues with a newly installed network not appearing in other routers. At which layer of the OSI model is the network administrator going to start the troubleshooting process when using a top-down approach?
- internet
- application
- network
- session
- transport
Explanation: Routing is a Layer 3 process. The network layer is another name for Layer 3. The top-down method of troubleshooting typically starts at the application layer, but when a problem is definitely a routing problem, there is no need for troubleshooting to be performed at the higher levels. The problem can only be a Layer 1, 2, or 3 problem.
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