for tommorow

Jessica wants to purchase a new hard drive. She wants a drive that has fast access because she will use it to edit videos on her PC. She also needs a lot of storage and wants to have at least 4 TB available to save her videos. Jessica wants to keep the cost down as much as possible possible. What type of hard drive should Jessica purchase?

7200 RPM magnetic HDD

If you are adding a hard drive to a system that already has a drive with Windows installed on it, what should you do?

Boot Windows and use Disk Management to prepare the new drive

If a computer is performing slowly due to file fragmentation, what Windows tool can be utilized to rearrange fragments?

Defrag and Optimization tool

You recently installed a new RAID controller card in a PCIe expansion slot on your computer. After setting up the controller, you transfer data from the backup you created over to the computer. When you finish the setup, you turn the computer off and return it to its normal location. When you turn the computer on, you immediately receive the error message, "RAID not found." What might be the problem?

Expansion card failed or became unseated

During normal Windows operations, you receive a BSOD, and your computer shuts down. You restart the computer and receive the error again. You go online to check the error and see that it is an error related to reading data from virtual memory.​ What hardware might cause this BSOD error?

Hard drive

You and a friend decide to watch a movie on your computer. The movie is saved on a second hard drive on your system. When you are ready to watch the movie, you can't find it on your computer. You try to locate the second hard drive, and it is no longer listed in Windows. What might be the problem with the movie and the hard drive?

Hard drive has crashed

What process writes sector markings to a hard drive?

Low-level formatting

This morning when Paul turned on his computer at work, it would not boot. Instead, Paul reported that he heard a loud clicking noise coming from inside his computer. What might be the problem with Paul's computer?

Magnetic hard drive failed

Sharon is troubleshooting a computer and wants to test the hard drive in another computer. Sharon removes the hard drive and notices that it does not have a SATA power connection. The connector for power is white and has four pins instead. What type of connector will Sharon need to test the hard drive in the computer she is using?

Molex connector

While working on your computer, you receive the POST error, "Drive Not Recognized." You check your SATA cable to see if it is the problem, and it tests fine. You remove the hard drive and test it in a computer system known to be in good working condition and find that the hard drive is working. You can move data and check to make sure the OS files are not corrupt. You use a power supply tester to see if the voltage for the SATA power connection is correct, and the test shows the power is correct. You even check BIOS to make sure the hard drive can be recognized and find that all settings in BIOS are at default, so the system should recognize the hard drive.​ What might be the problem with your hard drive system?.

Motherboard SATA port has gone bad

You are installing a new hard drive in a system in which the hard drive will run at 6.0Gbps.​ What can you use to determine whether the SATA port which you are connecting the drive will also run at 6.0Gbps?

Motherboard manual

Devon would like to install a new hard drive on his computer because he does not have a sata port available on his motherboard he has decided to purchase an NVMe SSD. How can Devon attach an NVMe to his computer?

PCIe expansion card Internal USB connection

Keion works as a freelancer creating websites and designing logos for clients. He recently had a hard drive failure and lost work for a client, and he would like to prevent the same type problem from happening again. Keion does not want to rely on a backup but would like a way to ensure that his data is safe on his computer. You recommend that he create a RAID array that will duplicate his work onto two disks. What RAID configuration should you recommend to Keion?

RAID 1

Which type of RAID volume is used for fault tolerance and only requires two drives?

RAID 1, mirrored volume

During routine maintenance on your server you discover one of your hard drives on your raid array is starting to go bad after you replace the drive and rebuild the data you run diagnostics on the RAID controller card with no problems so you believe you fixed the problem next morning you arrive at work and discover the RAID has completely failed none of the discs are working, your server is still running because you installed the operating system on a non-RAID disc but all the data is missing and the server shows none of your raid discs are found what might be the problem with your server?

Raid controller Motherboard

Terry came into work and turned on his computer. During the boot process, the computer shut down. When he tried again, the computer showed the error message, OS not found. Terry called the help desk and explained the computer issue. The help desk technician asked Terry to open the computer. As a help desk technician, what would you have Terry check on his computer with the case cover removed?

SATA cable connection

What SATA standard provides a transfer rate of 3 Gb/sec?

SATA2

Why might you want to use a RAID 0 disk configuration?

To improve overall disk performance

What technology is used to assure that the logical block addressing on a solid-state drive does not always address the same physical blocks, in order to distribute write operations?

Wear leveling

What command line utility can be used to repair the BCD on a windows installation?

bootrec