A network administrator is troubleshooting a connectivity issue within a corporate network. After confirming that the issue is not related to the end devices, they decide to apply the 'divide and conquer' methodology. What is the BEST step the administrator should take next to isolate the problem?
Test the functionality of each individual networking device starting from the network perimeter.
Reboot key networking devices to see if the problem resolves.
Check configurations on all devices for any mismatches or errors.
Test connectivity in each individual network segment or subnet to narrow down the problem area.
According to the 'divide and conquer' approach, after ruling out end device issues, the administrator should focus on segmenting the network to isolate the scope of the problem. Testing the connectivity between network segments or subnets will help in identifying whether the issue is localized to a particular area or is widespread. Testing individual devices would not immediately help in isolating the problem area, and rebooting devices or checking device configurations, although useful, should come after the network segments have been tested if no area-specific issues are found.
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