test out ch 5 practice questions

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What is required to control access to the file system using file and folder permissions on a Windows-based computer?
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NTFS-formatted partition Explanation File permissions are only available under Windows for files on a partition formatted with NTFS, not FAT32. The Encrypting File Service (EFS) with Windows encrypts individual files. The Ext4 file system is used on Linux systems.
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If you want to boot from a hard drive, what must it have?
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Active partition Explanation The active partition contains the boot sector, which is required to load an operating system. An extended partition is a partition type on a basic disk. An extended partition can exist, but is not required to boot.
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Which partition type identifies the partition as one that holds the boot loader program used to start the operating system?
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Active Explanation The active partition identifies which partition holds the boot loader code. When the system starts, it looks in the volume boot record (VBR) of the active partition to identify the location of the boot loader code. The system partition is the partition that holds the operating system files. This might be the same as the active partition, but can be different. A primary partition is a partition type on a basic disk. An active partition must be a primary partition, but there can be additional non-active primary partitions on a disk. An extended partition is a partition type that is subdivided into logical drives. The extended partition cannot be the active partition.
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Which of the following is true about primary partitions?
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The active partition must be a primary partition. Explanation A primary partition is a partition type used on basic disks. The active partition must be a primary partition. Each physical disk can have up to four primary partitions, or three primary partitions and one extended partition. Logical drives are defined within an extended partition.
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You have added two new hard disks to a Windows computer. The disks are configured as basic disks. Which of the following could be configured on these disks?
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Primary partitions Extended partitions with logical drives. Explanation Basic disks use primary and extended partitions. Each physical disk can have up to four primary partitions, or three primary partitions and one extended partition. Logical drives are defined within an extended partition. The extended partition can be divided into multiple logical drives. Dynamic disks support volumes that use discontiguous disk space. Simple volumes contain disk space from a single hard disk (both contiguous or discontiguous space). Spanned volumes contain disk space from multiple hard disks, grouped together into a single logical volume. Striped volumes use equal partition sizes on two disks to create a volume. Data is divided and saved to each disk.
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You have an extra disk on your system that has three primary partitions and an extended partition with two logical drives. You want to convert the partitions to simple volumes, preferably without losing any data. What should you do?
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Upgrade the disk to a dynamic disk. Explanation When you upgrade a basic disk to a dynamic disk, existing partitions are converted to simple volumes. You can convert the disk without deleting partitions or losing any data. Use the convert command to change the file system from FAT32 to NTFS. The partition table type (either MBR or GPT) does not affect the partition or volume type.
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Which of the following is a command line utility that can be used to create, format, and manage partitions and volumes?
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DiskPart Explanation DiskPart is the command line utility you can use to create, format, and manage partitions, and volumes. Disk Management is the graphical utlity you would use to do the same partition and volume creation, formatting, and management tasks you can do with DiskPart. DiskMan does not exist. Format is a command line utility used for formatting disks for use with Windows. CHDSK is used to find and fix errors on disks, volumes, and files.
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You want to set up a Windows system to also be able to boot to Linux. To be able to dual boot, the system needs a partition on which to install Linux. You don’t have an extra hard disk that can be used for the Linux partition. The existing disk has no unpartitioned space available, but it has about 300 GB of free space. Which disk management operation can you perform on the disk to use some of the free space for the Linux partition?
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Shrink the primary partition Explanation You can decrease the space used by primary partitions and logical drives by shrinking them into adjacent, contiguous space on the same disk. For example, if you discover that you need an additional partition but do not have additional disk, you shrink the existing partition from the end of the volume to create new unallocated space that can then be used for a new partition.
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Support up to 128 volumes.
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Dynamic Disks
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Use primary and extended.
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Basic Disks
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Supported by all operating systems.
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Basic Disks
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Support volumes that use discontiguous disk space.
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Dynamic Disks
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Store partitioning information in a hidden database on all such disks in the system.
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Dynamic Disks.
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Only support volumes made up of contiguous disk space.
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Basic Disks
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Explanation
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Basic disks include the following characteristics: Use primary and extended partitions. Supported by all operating systems. Only support volumes made up of contiguous disk space. Dynamic disks include the following characteristics: Support up to 128 volumes. Support volumes that use discontiguous disk space. Store partitioning information in a hidden database on all such disks in the system.
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Which of the following conditions would prevent you from using GUID Partition Table (GPT) when setting up a disk drive?
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You’re updating the drive to boot Windows 7 on a computer that uses traditional BIOS. Explanation If you need the drive to boot Windows and the computer uses traditional BIOS (not UEFI), you need to set up the drive with MBR. A GPT drive can: Be basic or dynamic. Set up to boot 64-bit Windows 7 on a UEFI-based computer. Be used to create up to 128 partitions.
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What is an advantage of RAID 5 over RAID 1?
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RAID 5 improves performance over RAID 1. Explanation RAID provides both fault tolerance and improved performance RAID (mirroring) provides only fault tolerance with no performance benefit. Both RAID 5 and RAID 1 can only sustain a loss of one disk in the set. Use multiple disk controllers to provide redundancy for the disk controller.
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You have been asked to implement a RAID 5 solution for an engineer’s desktop workstation. What is the minimum number of hard disks can be used to configure RAID 5?
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3 Explanation A RAID 5 array stripes data and parity information across multiple hard disks. To complete a RAID 5 array, a minimum of three hard disks is required. A RAID 0 and RAID 1 can both be implemented with a minimum of two hard disks.
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Which of the following drive configurations uses striping without fault tolerance?
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RAID 0 Explanation RAID 0 uses disk striping and offers no fault tolerance. Disk striping breaks data into units and stores the units across a series of disks by reading and writing to all disks simultaneously. A failure of one disk in the set means all data is lost. This is the fastest of all RAID types. RAID 5 also uses disk striping, but provides fault tolerance for a single disk failure. RAID 1 provides fault tolerance but does not use striping. An expanded volume set is a volume that spans more than one hard drive. An expanded volume set also offers no fault tolerance, yet does not use striping.
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You have a computer with three hard disks. A RAID 0 volume uses space on Disk 1 and Disk 2. A RAID 1 volume uses space on Disk 2 and Disk 3. Disk 2 fails. Which of the following is true?
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Data on the RAID 1 volume is accessible; data on the RAID 0 volume is not. Explanation In this scenario, Disk 2 is shared between both volumes. If Disk 2 fails, the RAID 1 is still accessible because RAID 1 (mirrored) volumes can sustain a loss of a single disk. The data on the RAID 0 volume is not accessible. RAID 0 uses striping, which distributes the data evenly between multiple disks. If a single disk fails, the entire volume is lost.
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Which RAID configuration level provides increased using only two disks?
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RAID 0 Explanation RAID 0 (striping) uses two or more disks and provides an increase in performance but not fault tolerance. RAID 1 (mirroring) uses two disks to provide fault tolerance but not an increase in performance. RAID 5 uses a minimum of three disks and provides both fault tolerance and an increase in read performance.
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You are configuring a new system and want to use a RAID 0 array for the operating system using SATA disks and the RAID functionality built into the motherboard. Which of the following actions will you take as part of the configuration?
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Load the RAID drivers during operating system installation. Explanation If using an onboard RAID controller with SATA drives, edit the CMOS settings and identify the drive type as RAID. This tells the system to load the onboard BIOS for accessing the connected drive. If you want to install the operating system on a RAID array, you will need to manually load the controller driver so that Windows can see the RAID array.
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Your computer currently runs Windows 7 Enterprise edition. You want to create a RAID 5 array using three newly-installed SATA disks. When you go to Disk Management, the option to create the RAID 5 array is not available. What should you do?
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Install an add-on RAID controller Explanation Windows 7 desktop operating systems support creating RAID 0 and RAID 1 arrays in Disk Management, bu do not support configuring RAID 5. To use RAID 5 on a client computer, you will need to use a RAID controller installed in an expansion slot or integrated in the motherboard.
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You have an existing computer running Windows 7 Enterprise. You want to configure a RAID 1 array in the computer. You install two new SATA drives, then use the RAID controller integrated in the motherboard to define a RAID 1 array using them. When you boot the computer, Windows does not show the logical RAID drive. What should you do?
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Install the drivers for the RAID controller. Explanation You must install the RAID driver so that Windows recognizes arrays created by the motherboard RAID utility. Without the driver, Windows will not be able to see the logical drive defined by the array. When you define the array, you configure the BIOS to use RAID as the SATA type. If you had not completed this step, you would not be able to run the RAID configuration utility,. Use AHCI to configure SATA drives to support hot-swapping.
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You have been asked to implement a RAID 10 solution for a video editor’s desktop workstation. What is the minimum number of hard disks that can be used to configure RAID 10?
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4 Explanation A RAID 10 array nests a mirrored array within a striped array. To create a RAID 10 array, a minimum of four hard disks is required (two for the mirrored array and two more to stripe the mirror).
question

Which of the following drive configuration uses striping with parity for fault tolerance?
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RAID 5 Explanation RAID 5 also uses disk striping, but provides fault tolerance for a single disk failure. Disk striping breaks data into units and stores the units across a series of disks by reading and writing to all disks simultaneously. RAID 0 uses disk striping and offers no fault tolerance. A failure of one disk in the set means all data is lost. RAID 1 provides fault tolerance but does not use striping. A RAID 10 array nests a mirrored array within a striped array.
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Scenario
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You work part-time at a computer repair store. You are in the process of constructing a new system. You would like to install the operating system on a RAID array that provides both fault tolerance and improved performance (RAID 5: Striping with distributed parity). Your task in this lab is to: – Add the minimum number of disks to the computer to create the RAID array that meets the scenario requirements. Do not remove extra disks from the Shelf. – Connect all disks to the motherboard and provide power for the disks. – Boot the computer and configure a RAID array using the motherboard RAID configuration utility. – Choose the RAID level based on the scenario requirements. – Configure the array to use all of the disk space on the installed disks.
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Procedure
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Important: When accessing the Drive Bays and Motherboard make sure that the computer is turned off. 1. Click on Drive Bays. 2. Install three Hard Drives, Internal, SATA. 3. Click on Power Supply. 4. Select the 15-pin SATA connector and provide power to the three Hard Drives. 5. Click the Cable. 6. Select the SATA Cable Three Times. Remember that there are Partial Connections. 7. Click on Motherboard. 8. Connect the other end of the SATA cables to the SATA connectors on the Motherboard. 9. Click Front. 10. Turn on the computer and press Delete to enter the BIOS. 11. Click on System Configuration. 12. Click on SATA Operation. 13. Select RAID On. 14. Click Apply. 15. Click Exit. 16. Press Ctrl+I to the RAID Configuration. 17. Press 1 to Create RAID volume. 18. Leave the name as Volume 0. 19. Press Tab to go to the RAID Level. 20. Use the Arrow Buttons to Select RAID 5, which provides both fault tolerance and improved performance. 21. Leave Disks, Stripe Size, and Capacity. 22. Press Enter to create the Specified volume. 23. When the warning: ALL DATA ON SELECTED DISKS WILL BE LOST are you sure you want to create this volume> (Y/N) press Y for Yes. 24. Check the Disk Volume Information. 25. Press Done.
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Lab Report
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Task Summary Install three hard drives. Set the SATA Operation mode in the BIOS to RAID. Create a RAID 5 array with three disks. Configure three drives in the array. Configure the RAID array as RAID 5. Use a total capacity on the disks. Explanation To complete this lab: Create a RAID 5 array to provide both fault tolerance and increased performance. A RAID 0 array increases performance only, while a RAID 1 array provides only fault tolerance. Install three disks to create RAID 5 array. A RAID 5 array requires a minimum of three disks. Complete the following steps: 1. On the computer, switch to the drive bays view. 2. On the Shelf, expand the Hard Drives category. 3. Drag a hard drive to a free 3.5″ drive bay. 4. Repeat step 3 to add additional hard drives are required by the scenario. 5. To connect the hard drives to the motherboard, on the Shelf, expand the Cables category. 6. Select a cable. In the Selected Component window, drag a connector end to the hard drive. 7. Repeat step 6 to connect cable to additional hard drives. 8. On the computer, switch to the motherboard view. 9. In the Partial Connections list for the computer, select a SATA cable. 10. In the Selected Component window, drag the unconnected cable end to the motherboard SATA connector. 11. Repeat steps 9 and 10 to connect additional SATA cables to the motherboard. 12. To connect the power cables, select the power supply. 13. On the computer, switch to the Drive Bays view. 14. In the Selected Component window, drag a SATA power connector to a hard drive. 15. Repeat step 14 to connect power to the other drive (s). 16. Switch to the front view of the computer. 17. Turn on the computer. 18 As the computer, press the Delete key to enter the BIOS setup program. 19. To configure the SATA drive mode, open System Configuration in the drop-down menu on the left. 20. Select SATA Operation. 21. Select RAID On and click Apply. 22. Select Exit to restart the system. 23. As the system boots, after the BIOS loads the RAID controller will load. Press Ctrl + I when you see the message on the screen. 24. Select Create RAID Volume and press Enter. 25. Press Enter. 26. Use the up and down arrow keys to define the RAID Level. 27. Press Enter. 28. Use the up and down arrow keys to define the stripe size. 29. Press Enter. 30. Press Enter to accept the default capacity and continue. 31. Press Enter. 32. When prompted, press Y. 33. Press Esc, then Y to restart.
question

You have a CD-RW drive that advertises speeds of 32x/12x/48x. What is the read speed of the drive?
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48x Explanation The read speed is 48x. When multiple numbers are listed together, the first number is the record speed, the second number is the rewrite speed, and the last number is the read speed. If the drive does not perform rewrite functions, the middle number will be omitted.
question

Which optical media has the greatest storage capacity?
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Single-layer, single-sided Blu-ray disc. Explanation A Blu-ray disc has the greatest storage capacity of optical media. A single-sided Blu-ray disc holds up to 25 GB of data. Dual-layer or double-sided discs double the storage capacity. Experimental 20 layer Blu-ray discs hold up to 500 GB. Single-layer, single-sided DVDs hold about 4.7 GB. A dual-layer or double-sided DVD can hold up to 8.5 GB; a dual-layer, double-sided DVD can hold up to 17 GB.
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Which Blu-ray standard defines rewritable disks?
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BD-RE Explanation BD-RE is the Blu-ray standard which defines rewritable disks. BD-ROM is the read-only standard and BD-R is the recordable standard. R/RW is used to designate rewritable CD and DVD discs, not Blu-ray discs.
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Which of the following are optical storage devices?
answer

BD CD DVD Explanation Optical storage devices use lasers for both reading and writing information. The following are all optical storage devices: CD (Compact Disc) DVD (Digital Video Disc or Digital Versatile Disc) BD (Blu-ray Disc) HDDS (Hard Disk Drives) are magnetic storage devices. A flash device stores information using programmable, non-volatile flash memory. USB flash drive, SSDs (Solid state Drives), and SDHC memory cards are flash devices.
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First developed to store digital music. Later, was adapted to store digital computer data.
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Compact Disc (CD)
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Disc surface made up of lands and pits. Reflective light used to interpret the data.
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Compact Disc (CD)
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Single-sided discs can hold about 4.7 GB of data. Dual-layer discs can hold up to 8.5 GB of data.
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Digital Versatile Disc (DVD)
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A red laser causes a crystal to form which creates the reflective and non-reflective areas on the bottom of the disc.
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Digital Versatile Disc (DVD)
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Uses blue laser light which has a shorter wavelength, which allows data to be packed more tightly on the disc.
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Blu-ray Disc (BD)
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Was originally developed for high definition video (expanded content on movie discs), but can also be used for data storage.
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Blu-ray Disc (BD)
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Explanation
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Compact Discs (CDs) were first developed store digital music. Later, the CD technology was adapted to store digital computer data. Data is stored on a CD’s disc surface in a series of lands and pits. Reflective light is used to interpret the data on the disc. Digital Versatile Disc (DVD) is an optical media standard that can be used to store large amounts of different types of data ( computer, data, video, audio). Single-sided discs can hold about 4.7 GB of data. Dual-layer discs can hold up to 8.5 GB of data. A red laser causes a crystal to form which creates the reflective and non-reflective areas on the bottom of the DVD-RW disc. Blu-ray Disc (BD) was originally developed for high definition video (and expanded content on movie discs), but can also be used for data storage. Blu-ray uses a blue laser instead of the red laser used with CDs and DVDs. The blue laser light has a shorter wavelength, which allows data to be packed more tightly on the disc.
question

You have a motherboard with 4 built-in SATA connectors. What is the maximum number of SATA devices you can connect to the motherboard using the integrated ports?
answer

4 Explanation You can connect one SATA device per port. If you have 4 port, you can connect 4 devices.
question

A manager wants you to install a Serial ATA hard drive into his computer, but the motherboard does not have a Serial ATA connector. What should you do?
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Install a Serial ATA host adapter in an expansion slot. Explanation To add a feature to a computer, add an expansion card in a free bus slot. In this case, you could add a Serial ATA host adapter in a free PCI slot.
question

Which of the following tasks would you complete as part of a SATA installation?
answer

Plug the 15-pin power connector into the SATA drive. Explanation SATA devices use a special 15-pin power connector that supplies 3.3, 5, and 12 volts. Using the 4-pin Molex connector for a SATA device requires an adapter cable. The master setting only applies to IDE drives, and is used to determine the active controller with multiple devices on the same cable channel. Device IDs are used with SCSI devices, not SATA devices. Low-level formatting is done at the factory by the drive manufacturer.
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Which of the following is the most common disk interface used for optical drives on home and office computers?
answer

SATA Explanation Most modern computer systems use SATA optical drives. At one time, IDE/EIDE (ATAPI) optical drives were the most common type of optical drives implemented but this has changed. SCSI was also used at one time but has fallen out of favour for optical drives. In the early 1990’s some sound cards provided a proprietary internal connector for ealy CD-ROM drives, but these are now obsolete. Likewise, parallel ports were used in the early 1990’s optical drives, but these are also now obsolete.
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Which interface is primarily used for internal hard drives in modern desktop PC systems?
answer

SATA Explanation SATA is primarily used for internal hard drives in modern desktop PC systems. PATA (also called EIDE, IDE, and ATAPI) is a parallel ATA interface and was the most common interface used for hard disks and CD/DVD drives in the past, but not in modern PC systems, USB and Firewire are interface standards for connecting various external devices, including external hard drives. SCSI is commonly used for server storage, but is rarely used for hard disks in modern desktop systems.
question

Which generation of SATA storage devices does the following? Supports up to 6 Gbps data transfer rates. Addresses solid state drives.
answer

SATA3 Explanation SATA3 support up to 6Gbps (600 MBps). It mainly addresses solid state drives with SATA (hard disk drives are not capable of sending data at this rate). SATA1 is the original SATA standard. It provided for 1.5 Gbps (150 MBps) data transfer. SATA2 supports up to 3 Gbps (300 MBps). eSATA is a subset of other standards specifically for externally connected devices. eSATAp (also known as Power over eSATA or Power eSATA) is meant to replace eSATA. It combines the functionality of an eSATA and a USB port with a source of power in a single connector.
question

Which SATA storage device standard does the following? Integrates data and device power into a single cable. Uses a connector and port that are neither L-shaped nor rectangular.
answer

eSATAp Explanation eSATAp (also known as Power over eSATA or Power eSATA) is meant to replace eSATA. It combines the functionality of an eSATA and a USB port with a source of power in a single connectors. It integrates data and device power into a single cable, and the connector and port are neither L-shaped nor rectangular. SATA1 is the original SATA standard. It provided for 1.5 Gbps (150 MBps) data transfer. SATA2 supports up to 3 Gbps (300 MBps). SATA 3 support up to 6 Gbps (600 MBps). It mainly addresses solid state drives with SATA (hard disk drives are not capable of sending data at this rate). eSATA is a subset of other standard specifically for externally connected devices.
question

What method does an SDHC card use for storing data?
answer

Reprogammable memory Explanation Flash devices store information using programmable, non-volatile flash memory. Common flash devices are MMC, SD, SDHC, and XD memory cards as well as USB thumb drives. DLT drivers use magnetic tape. Hard disks and floppy disks use magnetic disks and platters. Optical drives use a reflective surface and optical readers.
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Which storage device uses magnetic film or aluminum platters for storing data?
answer

Hard disk Explanation Hard disks use magnetic disks and platters. Optical drives such as DVD or CD-ROM drives, use a reflective surface that is read by an optical reader. Flash devices such as SD cards store information using programmable, non-volatile flash memory. DLT drives use magnetic tape.
question

Which of the following is typically used for large data backups of servers?
answer

DLT tape Explanation DLT tape systems are used primarily for backups. The large storage capacity of these systems make them ideal for server backups. CD-R and DVD-R do not provide sufficient storage capacity for server backups. RAID is a data protection method that preserves data on hard disks if one disk in a set fails. It is not considered a back mechanism.
question

You need a storage device that has very large storage capacity, is fast and is relatively inexpensive. Which storage device will best suit your needs?
answer

Hard disk Explanation A hard disk has a large memory capacity, is fast, and is relatively inexpensive. Optical disks are also inexpensive, but are not as fast and do not provide the storage capacity of hard disks. USB flash drives are not as inexpensive as hard disks with equal storage capacity and are not available with the capacity as the larger hard disks. Solid State Drives (SSD) have a large memory capacity and are fast, but are much more expensive than comparable hard drives.
question

Which of the following are advantages of solid state storage compared to hard drives?
answer

No moving parts. Lower power requirements Explanation Solid state drives have the following advantages when compare to hard disk drives: They have lower power consumption. They have no moving parts (and hence less prone to failure) They are faster They are less susceptible to physical damage (from dropping) They are smaller and lighter. They are smaller and lighter. They use standard SATA disk interfaces. The storage capacity for SSDs is small in comparison to HDDs. SSDs are several times more expensive than comparable HDDs.
question

Which of the following is not an advantage of SSDs over HDDs?
answer

Inexpensive Explanation Solid State Drives (SDDs) are generally more expensive than hard disk drives (HDDs). Some advantages of SSDs over HDDs include the following: They are faster They have no moving parts so they last longer. They have lower power consumption. They are less susceptible to physical damage (from dropping) and immune from magnetic fields. They are smaller and lighter.
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What method does an eMMC card use for storing data?
answer

Non-volatile memory chips. Explanation Flash devices store information using programmable, non-volatile flash memory. Common flash devices are eMMC, SD, SSD, MiniSD, MicroSD, memory sticks, and USB thumb drives. DLT drives use magnetic tape. Hard disks use magnetic disks and platters. Optical drives use a reflective surface and optical readers.
question

Which of the following are magnetic storage devices?
answer

Tape drive Hard disk Explanation The following are magnetic storage devices: A hard disk is a thick magnetic disk encases in a thicker protective shell. A tape drive (also called a digital linear tape or DLT drive) stores data on magnetic tapes similar to audio cassette tapes. Optical discs such as CDs and DVDs use lasers for both reading and writing information. Flash devices store information using programmable, non-volatile flash memory. Solid state drives are flash devices with a storage capacity similar to a small hard drive.
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A thick magnetic disk made of aluminum platters. Uses read/write heads to access data stored on the platters.
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Hard disk drive (HDD)
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A flash device and storage capacity similar to a small hard drive.
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Solid state drive (SSD)
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Uses lasers to read and write information stored in the form of pits in their reflective coating.
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Optical disc
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Up to several TB in storage capacity and cost per MB is cheap.
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Hard disk drive (HDD)
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Faster than other devices. No moving parts. Last longer than other storage devices.
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Solid state drive (SSD)
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Ideal for music and video. Portable and cheap with a long shelf life.
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Optical disc
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Explanation
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Hard disk drives (HDD) are thick magnetic disks made of aluminum platters, They use read/write heads to access data stored on the platters. They have up to several TB in storage capacity and their cost per MB is cheap. Solid state drive (SSD) is a flash device with storage capacity similar to a small hard drive. They are faster than other devices. They have no moving parts and last longer than other storage devices. Optical discs use lasers to read and write information that is stored in the form of pits in their reflective coating. They are ideal for storing and playing music and video. They are portable and cheap and have a long shelf life.

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