TestOut LabSim A+ Certification Practice Exam

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Before connecting an external SCSI hard drive to your desktop workstation, what should you do?

Format the hard drive
Set the drive's SCSI ID
Check for driver updates
Connect the power supply

The correct answer is: Set the drive's SCSI ID

Setting the drive's SCSI ID is essential before connecting an external SCSI hard drive to your desktop workstation because SCSI devices require a unique identifier known as a SCSI ID for proper communication on the SCSI bus. Each device on the bus must have a different ID to prevent conflicts and ensure that the operating system can correctly identify and interact with each device connected to the SCSI controller. This process typically involves configuring jumpers on the hard drive or using a software utility provided by the manufacturer. Formatting the hard drive, while necessary for preparing it for data storage, is performed after the drive is connected and recognized by the system. Checking for driver updates is important for ensuring compatibility and optimal performance, but it does not directly relate to the immediate steps needed to connect the drive. Lastly, connecting the power supply is a crucial step, but it does not involve SCSI communication setup, which is why setting the SCSI ID is prioritized before physical connection.