Which of the following network devices is used to separate broadcast domains?

• A.Switch
• B.Wireless access point
• C.Router
• D.Hub

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A technician has verified full system functionality and implemented preventive measures. Which of the following represents the NEXT step the technician should take according to the best practice methodology?

• A.Establish a theory of probable cause.
• B.Document the findings, actions, and outcomes.
• C.Perform a format and system restore.
• D.Refer to the vendor's instructions for guidance.

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A help desk technician has been tasked with installing an IP phone in a small office with an unmanaged switch. When connected to an RJ45 receptacle, the phone does not boot. Which of the following is the QUICKEST way to resolve this issue?

• A.Change ports on the switch.
• B.Install a PoE injector.
• C.Replace the phone.
• D.Upgrade the Ethernet cable to the latest specification.

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A user reports that files are taking hours to transfer from a device to an external USB drive. The technician confirms that the device's cables are connected and the correct USB port is being used. Which of the following steps should the technician take next when troubleshooting the issue?

• A.Turn off all Bluetooth devices.
• B.Update the device drivers.
• C.Replace the USB drive.
• D.Replace the device's USB port.

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Which of the following protocols provides the fastest bandwidth?

• A.802.11a
• B.802.11ac
• C.802.11ax
• D.802.11n

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