What is a common initial step for troubleshooting network connectivity issues?

A common initial step for troubleshooting network connectivity issues is checking physical connections and testing cables. This step is crucial because many connectivity problems stem from physical layer issues, which can be easily overlooked. Inspecting the physical connections ensures that cables are properly plugged in and that there are no visible signs of damage, such as frayed wires or loose connectors. Testing cables with a cable tester can help identify faults that may not be immediately visible, ensuring that the cables are functioning correctly.

This foundational step is essential because if the physical connection isn't established, no data will be transmitted, making further troubleshooting steps—like checking server settings or rebooting devices—unproductive. Resolving physical connection issues can often restore connectivity quickly, allowing for a more efficient troubleshooting process. Addressing potential cable faults and verifying connections lays the groundwork for more complex troubleshooting if necessary.