A technician is troubleshooting a newly installed cable modem that is failing to connect to the internet. The physical connection is verified, but the modem's status indicator for online connectivity is off. Of the following options, what is the BEST step to troubleshoot this issue?
Restarting the cable modem is often the best first step in troubleshooting as it can resolve a range of issues, including ones related to connection establishment with the Internet Service Provider (ISP). Replacing the modem or router would be more costly and time-consuming without first attempting simpler troubleshooting steps. Checking the network card would not be related to a modem's inability to connect to the ISP. Cable testing is useful for ensuring physical connectivity but the scenario has verified physical connection.
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Why is restarting the modem often recommended as a first troubleshooting step?
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What are some common issues that can cause a modem to fail to connect to the internet?
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What role does the Internet Service Provider (ISP) play in modem connectivity?