5.6.10 Storage Troubleshooting Practice Questions – Flashcards

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question
You have just finished upgrading the 250 W power supply in your desktop computer to a 450 W power supply. Now the BIOS doesn't recognize one of the hard disk drives in the system during POST. What should you do?
answer
Make sure that the hard disk is connected to the power supply. Explanation Because you have just made a system change, you should check items related to the change you have made. In this case, check to make sure that power connectors are plugged in.
question
You have just finished installing a new SATA hard disk in your computer. Now your SATA DVD drive won't work. What should you do first?
answer
Make sure that the DVD SATA cable is connected. Make sure that the DVD power cable is connected. Explanation The first thing to check would be the simple and obvious things. Make sure that the cable connecting the DVD drive is secure. It is possible that during the installation of the hard disk that the cable might have come loose. All of the other choices would involve significantly more work. Master and Slave settings are not used on SATA devices. Moving the DVD drive to another system might make it start working, but you should verify the current configuration before trying that. Replacing the DVD drive should only be done after you verify that it is not working correctly.
question
Your computer currently runs Windows 10 Professional edition. You want to create a RAID 10 array using four newly-installed SATA disks. When you go to Disk Management, the option to create the RAID 10 array is not available. What should you do?
answer
Install an add-on RAID controller. Explanation Windows 10 desktop operating systems support creating RAID 0 and RAID 1 arrays in Disk Management, but do not support configuring RAID 5 or RAID 10. To use RAID 10 on a client computer, you will need to use a RAID controller installed into an expansion slot or integrated into the motherboard.
question
You have physically installed a new hard disk drive in your computer and configured the disk in the BIOS using the CMOS setup program. You try to access the hard disk drive in Windows Explorer, but the drive is not displayed. Which utility will you most likely use to solve the problem?
answer
Disk Management Explanation After physically installing a hard disk drive and configuring it in the CMOS, you need to partition the disk and format it with a file system using Disk Management. You can use the format command to format the disk, but it has to be partitioned first. The chkdsk command is used to scan the surface of a disk and locate bad sectors or other disk problems. The sfc command is used to verify the integrity of your Windows system files.
question
You have a computer running Windows 10 Home and need to access the contents of a flash drive. The flash drive has been formatted with the exFAT file system. You want to read the flash drive on your computer as quickly as possible with the least amount of effort. What should you do?
answer
Do nothing. Windows 10 can natively access ex FAT file systems. Explanation exFAT is supported in Windows Vista SP1 and later. While you can use convert exe to change the file system from FAT32 to NTFS you cannot change it from exFAT to FAT32.
question
Lately you hear a clicking noise when reading or writing data from the hard disk. What is the most likely cause of the clicking?
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Failing hard drive Explanation A clicking noise when reading or writing data from the hard disk is an early sign of a failing drive. As a precaution, you should move data from the drive as soon as possible in this case. An overheated CPU or bad power supply will cause a spontaneous reboot, not a clicking. A system notification would indicate whether there is a failed drive, as it would not allow reading or writing. A failed UPS (or failed battery in the UPS) would result in a complete loss of power to the computer if the outlet (or wall) power was lost.
question
A user reports that they are unable to access their Firewire drive after moving the PC from beneath the desk to the top of the desk. What is the most likely cause of this problem?
answer
The Firewire cable is loose. Explanation In moving the computer, it is likely that one of the connectors on the Firewire cable came loose and is no longer properly seated. None of the other options would have been affected in just moving the computer. FireWire does not use IRQs for configuration. Simply moving the computer such a short distance would not require adding an external power supply if it wasn't needed before. Moving the computer does not change drivers used for devices.
question
One day while trying to start your Windows 10 system, you see the following error displayed: Could not read from the selected boot disk. Check boot path and disk hardware.
answer
Boot into the recovery environment and run the bootrec/rebuildbcd command. Explanation This error message is generated when the system cannot find the partition specified in the BCD database where the operating system files are located. For example, the database might be pointing to the C: drive for the operating system files, but that drive does not exist. To fix this problem, boot into the recovery environment and then run the bootrec/rebuildbcd command to rebuild the boot loader database with a list of valid operating system locations. You will not be able to boot into Safe Mode because the operating system files have not yet been loaded. The fixmbr and bootcfg commands were used on older versions of Windows.
question
After installing a new SSD drive in your system, you determine that TRIM functionality has not been enabled on the drive by the Windows operating system. You need to manually turn TRIM on. Given that the volume on the drive has been assigned to drive letter of E:, which command should you use at the command prompt to do this?
answer
fsutil behaviour set DisableDeleteNotify 0 Explanation If it is disabled, you can manually enable TRIM on an SSD drive by entering fsutil behaviour set DisableDeleteNotify 0. The fsutil behaviour query DisableDeleteNotify can be used to detect whether TRIM is enabled, but it doesn't actually turn it on. The chk e: /R command will check the E: drive for bad sectors and try to recover readable data. The bootrec /rebuildbcd command is used to rebuild the boot configuration data.
question
You have just finished upgrading the power supply in your desktop computer. Now the hard disk will not work. What should you do first?
answer
Make sure the power connectors on the hard disk are plugged in all of the way. Explanation Because you have just a made a system change, you should check items related to the change you have made. In this case, check to make sure that power connectors are plugged in.
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