A+ 902 Questions Chapter 2

Martha, a user, has a Windows 8.1 operating system based computer. She complains that her computer's performance has deteriorated since a new application has been installed on her computer. You suspect that inadequate RAM might be the issue. You don't have a spare RAM. However, you have a couple of USB flash drives. You add a 512 MB USB flash drive on her computer and run the ReadyBoost feature of Windows 8.1 to resolve the issue. You find that only part of the flash memory is available for ReadyBoost. Which of the following steps will you take to resolve the issue? a. change the usb flash drive that has full fast flash memory b. upgrade the ram c. change the usb flash drive that has full slow flash memory d. use the windows superfetch feature to enhance the performance Chapter 2: Storage Devices and Power Supplies

a. change the usb flash drive that has full fast flash memory

Which of the following RAID level combinations make RAID 10? Choose two. a. raid 0 b. raid 1 c. raid 3 d. raid 2 Chapter 2: Storage Devices and Power Supplies

a, b

Which of the following are the advantages of magnetic drives over solid state drives? Choose two. a. lower cost b. higher number of write/erase cycles c. faster write speed d. use less power Chapter 2: Storage Devices and Power Supplies

a, b

Which of the following are removable storage devices/media? Choose three. a. cd-rom b. sd card c. usb pen drive d. hard disk drive Chapter 2: Storage Devices and Power Supplies

a, b, c

Which of the following are the advantages of SATA over PATA? Choose all that apply. a. it is faster b. it has a more efficient data transfer rate c. it provides easy cable management d. it does not need a driver to be loaded Chapter 2: Storage Devices and Power Supplies

a, b, c

Which of the following statements are true of the ATX motherboard? Choose all that apply a. it supports soft power off b. the expansion slots are located at right angles to the processor and memory c. the power supply uses a single 20-pin connector d. it uses a smaller form factor than BTX Chapter 2: Storage Devices and Power Supplies

a, b, c

Which of the following technologies support hot-swapping? Choose all that apply. a. IEEE 1394 b. USB c. Serial ATA d. PATA Chapter 2: Storage Devices and Power Supplies

a, b, c

In comparison to traditional hard disk drives (HDDs), which of the following are not available in solid-state drives (SDDs)? Choose two. a. movable read/write heads b. microchips c. spinning disk d. quieter performance Chapter 2: Storage Devices and Power Supplies

a, c

SATA has a data transfer rate of up to _______. a. 150 MB/sec b. 100 MB/sec c. 50 MB/sec d. 400 MB/sec e. 100 MB/sec Chapter 2: Storage Devices and Power Supplies

a. 150 MB/sec

SATA is an interface for connecting the ______ to a computer. a. Hard disk drive b. Printer c. Mouse d. Scanner Chapter 2: Storage Devices and Power Supplies

a. Hard disk drive

Which of the following is a digital optical disc data storage format used to store high-definition & ultra high-definition video resolution (2160p)? a. bd-rom b. cd-r c. cd-rw d. cd-mo Chapter 2: Storage Devices and Power Supplies

a. bd-rom

Which of the following is the internal component that converts AC wall voltage to the various DC voltages used by the computer's other components? a. pc power supply b. chipset c. socket d. expansion slot Chapter 2: Storage Devices and Power Supplies

a. pc power supply

You work as IT technician for uCertify Inc. You have been reported by a customer that his computer was fine until yesterday but he heard a pop noise and the computer stopped working in the morning. Which of the following components will you test first? a. power supply b. keyboard c. processor d. hard disk drive Chapter 2: Storage Devices and Power Supplies

a. power supply

Which of the following RAID levels does not provide fault tolerance? a. raid 0 b. raid 1 c. raid 5 d. raid 10 Chapter 2: Storage Devices and Power Supplies

a. raid 0

You have a system with two physical drives in which you want to implement a RAID array with striping. Which of the following RAID levels will you use to accomplish the task? a. raid 0 b. raid 10 c. raid 1 d. raid 5 Chapter 2: Storage Devices and Power Supplies

a. raid 0

You work as network administrator for Net Perfect Inc. The company has a TCP/IP-based Windows NT network. You're configuring a computer that will be used as a file server on the network. You have to decide the disk configuration for the computer to obtain better performance. A fault-tolerant disk configuration is not a requirement. Which of the following RAID levels will you choose to fulfill the requirement? a. raid 0 b. raid 1 c. raid 3 d. raid 4 e. raid 5 Chapter 2: Storage Devices and Power Supplies

a. raid 0

John works as a database administrator for TechWorld Inc. The company has a SQL Server 2008 R2 computer, which hosts a number of databases. Management instructs John to provide a RAID solution that have the following: Better fault tolerance Better input/output performance Highest read-and-write performance Which of the following RAID levels is most appropriate? a. raid 10 b. raid 5 c. raid 3 d. raid 1 Chapter 2: Storage Devices and Power Supplies

a. raid 10

What does RAID stand for? a. redundant array of independent disks b. redundant array of internal disks c. rebound array of inexpensive disks d. rebound array of internal disks e. repeated array of inexpensive disks f. reversible array of inexpensive disks Chapter 2: Storage Devices and Power Supplies

a. redundant array of independent disks

What does SATA stand for? a. serial advanced technology attachment b. serial advanced technology automation c. sequential advanced technology automation d. sequential asynchronous technology attachment Chapter 2: Storage Devices and Power Supplies

a. serial advanced technology attachment

Which of the following devices use integrated circuit assemblies as memory to store the data persistently? a. solid state drive b. blue-ray drive c. tape drive d. hard disk drive Chapter 2: Storage Devices and Power Supplies

a. solid state drive

You have a SATA hard drive that is currently connected to the motherboard integrated controller card. You're moving to RAID 1 (mirrored configuration) using a RAID controller card. Which of the following is necessary for you to use this drive, and add a new one for optimal performance? a. the new drive must be of the same model and should have the same capacity b. the new drive must have the same seek time c. the new drive must be of the same model, but may have a different capacity d. the new drive must be smaller (in capacity) than the existing drive Chapter 2: Storage Devices and Power Supplies

a. the new drive must be of the same model and should have the same capacity

Jennifer has a laptop that has a PATA controller. She wants to add a SATA hard drive for storage. Which of the following actions will she take to accomplish the task? a. use an external USB enclosure b. install service pack on the computer c. update the bios d. use the windows vista installation cd Chapter 2: Storage Devices and Power Supplies

a. use an external USB enclosure

Which of the following are the differences between solid state drive (SSD) and hard disk drive (HDD) storage devices? Choose two. a. SSD is slower than HDD b. unlike a hdd, an ssd has no moving parts c. ssd is often more reliable than hdd d. ssd consumes more power than hdd Chapter 2: Storage Devices and Power Supplies

b, c

A storage administrator needs to select the appropriate RAID level that can recover the lost data if the server's hard drive crashes. Which of the following RAID levels provide fault tolerance to a database? Choose all that apply. a. raid 0 b. raid 1 c. raid 10 d. raid 5 Chapter 2: Storage Devices and Power Supplies

b, c, d

Which of the following are the advantages of solid-state drives over hard disk drives? Choose all that apply. a. high number of write/erase cycles b. fast startup time c. fast transfer speed d. low power consumption Chapter 2: Storage Devices and Power Supplies

b, c, d

Which of the following storage types have movable parts? Choose all that apply. a. flash b. dvd-rw c. tape d. IDE hard drive Chapter 2: Storage Devices and Power Supplies

b, c, d

Which of the following supplies are provided by SATA power connectors to disk drives? Choose three. a. 8.8V b. 3.3V c. 12V d. 5V Chapter 2: Storage Devices and Power Supplies

b, c, d

Which of the following types of storage devices cannot be used in RAID? Choose all that apply. a. SATA b. Dual-layer DVD c. SSD d. Blu-Ray Disk Chapter 2: Storage Devices and Power Supplies

b, d

What is the maximum capacity of a double-sided, dual-layer DVD+R disk? a. 4.7 GB b. 17.1 GB c. 8.5 GB d. 25 GB Chapter 2: Storage Devices and Power Supplies

b. 17.1 GB

A new video card needs a 600 watt power supply. How many pins should the power supply have on the main cable? a. 30 b. 24 c. 10 d. 26 Chapter 2: Storage Devices and Power Supplies

b. 24

You're installing a Blu-ray Disc drive on a computer. How much data can you fit on a single-layer Blu-ray Disc? a. 10 GB b. 25 GB c. 50 GB d. 75 GB Chapter 2: Storage Devices and Power Supplies

b. 25 GB

You're configuring a RAID 5 solution on a server running Windows Server 2012 R2. You're using five 750 GB hard drives in the RAID array. How much free space will you get after configuring the RAID 5 solution? a. 2,250 GB b. 3,000 GB c. 1,500 GB d. 3,750 GB Chapter 2: Storage Devices and Power Supplies

b. 3,000 GB

What is the capacity of a single layer DVD R optical media? a. 700 MB b. 4.7 GB c. 9.4 GB d. 25 GB Chapter 2: Storage Devices and Power Supplies

b. 4.7 GB

Which of the following optical disc types is intended for high density storage of high definition video as well as data storage? a. dual layer DVD-RW b. BD-RE c. single layer DVD-RW d. cd-rom Chapter 2: Storage Devices and Power Supplies

b. BD-RE

Which of the following storage formats in sequential in nature and most often used during the frequent backup of large quantities of data? a. SM b. LTO c. xD-Picture d. CF Chapter 2: Storage Devices and Power Supplies

b. LTO

Which ATX version added an 8-pin connector for PCIe graphics cards that delivers additional 150W? a. atx 1.0 b. atx 12V 2.2 c. atx 12V 2.1 d. atx 12V 2.3 Chapter 2: Storage Devices and Power Supplies

b. atx 12V 2.2

You're connecting AT power supply to a motherboard. Which color wires of the power connector will be set adjacent to each other on the motherboard? a. yellow to yellow b. black to black c. red to red d. red to black Chapter 2: Storage Devices and Power Supplies

b. black to black

You need to store a particular video of 750 MB to view it at a later time. Which of the following media types is the least expensive to store it? a. usb drive b. cd-r c. dvd-r d. bd-re Chapter 2: Storage Devices and Power Supplies

b. cd-r

Which of the following disks allows you to save and erase data on it multiple times? a. dvd-rom b. cd-rw c. cd-rom d. cd-r Chapter 2: Storage Devices and Power Supplies

b. cd-rw

Which optical disk type has the ability to erase the disk and write to it again multiple times? a. cd-rom b. cd-rw c. cd-r d. dvd-r Chapter 2: Storage Devices and Power Supplies

b. cd-rw

You work as network architect for Tech Perfect Inc. You're designing a storage area network to connect hosts to storage devices. You want most of the data to be stored using hard disk drives. Which of the following types of interface should you use to connect host bus adapters to the hard disk drives? a. sata b. fiber channel c. ide d. scsi Chapter 2: Storage Devices and Power Supplies

b. fiber channel

What differentiates a solid-state drive from a conventional hard disk drive? a. larger storage capacity b. no moving parts c. different drive interface and cabling d. lower cost per byte Chapter 2: Storage Devices and Power Supplies

b. no moving parts

What is the physical component where data is stored in a hard disk drive (HDD)? a. read/write head b. platter c. sector d. cluster Chapter 2: Storage Devices and Power Supplies

b. platter

Which of the following statements is true of the battery on a raid controller? a. provides power backup to the server connected to the raid controller b. prevents loss of data stored in the write cache c. prevents loss of the bios configuration of the server connected to the raid controller d. prevents loss of the drive array configuration settings Chapter 2: Storage Devices and Power Supplies

b. prevents loss of data stored in the write cache

Which of the following RAID levels does not provide fault tolerance? a. raid 1 b. raid 0 c. raid 5 d. raid 10 Chapter 2: Storage Devices and Power Supplies

b. raid 0

Andrew, a storage administrator, wants to implement a RAID system that provides fault tolerance to a server. He also wants to implement disk mirroring. Which of the following RAID levels will he use to accomplish the task? a. raid 0 b. raid 1 c. raid 5 d. raid 6 Chapter 2: Storage Devices and Power Supplies

b. raid 1

Jennifer, a storage administrator, wants to implement a raid system that provides fault tolerance to a database. She also wants to implement disk mirroring. Which of the following raid levels will she use to accomplish the task? a. raid 0 b. raid 1 c. raid 5 d. raid 6 Chapter 2: Storage Devices and Power Supplies

b. raid 1

Which of the following RAID levels is used for mirroring? a. raid 0 b. raid 1 c. raid 2 d. raid 3 Chapter 2: Storage Devices and Power Supplies

b. raid 1

Which of the following RAID levels uses a minimum of four disks, in two disk mirrored blocks? a. raid 0 b. raid 10 c. raid 1 d. raid 5 Chapter 2: Storage Devices and Power Supplies

b. raid 10

Which of the following is a computer bus interface for connecting host bus adapters to mass storage devices such as hard disk drives and optical drives? a. internet SCSI (iSCSI) b. serial ATA (SATA) c. serial-attached SCSI (SAS) d. fiber channel Chapter 2: Storage Devices and Power Supplies

b. serial ATA (SATA)

Andrew works as a computer technician. He finds that his computer's inbuilt IDE controller on the motherboard has failed. He does not want to change the motherboard. What will he do to resolve the issue Choose two. a. install a new hard disk drive b. update to a newer version of the motherboard driver c. disable the inbuilt IDE controller on the motherboard by using BIOS d. install an add-on IDE controller card on the free expansion slot on the motherboard Chapter 2: Storage Devices and Power Supplies

c, d

The Serial ATA (SATA) cables can extend up to ________. a. 5 meters b. 10 meters c. 1 meter d. 15 meters e. 100 meters Chapter 2: Storage Devices and Power Supplies

c. 1 meter

What is the data transfer rate of the Serial ATA (SATA) interface? a. 100 to 140 Mbps b. 50 to 100 Mbps c. 150 to 300 Mbps d. 400 to 800 Mbps Chapter 2: Storage Devices and Power Supplies

c. 150 to 300 Mbps

How much data can a single layer of a standard DVD hold? a. 2.88 MB b. 2.88 GB c. 4.7 GB d. 4.7 MB Chapter 2: Storage Devices and Power Supplies

c. 4.7 GB

What is the maximum capacity of a Digital Linear Tape (DLT)? a. 80 GB b. 300 GB c. 800 GB d. 1024 GB Chapter 2: Storage Devices and Power Supplies

c. 800 GB

Which ATX version introducted an extra 4-pin, 12V connector, commonly called the P4 connector? a. ATX 12V 2.x b. ATX 12V 2.1 c. ATX 12V 1.0 d. ATX 12V 2.3 Chapter 2: Storage Devices and Power Supplies

c. ATX 12V 1.0

As network administrator, you're concerned about fault tolerance. You're using a RAID 5 volume across six drives as your fault-tolerance solution. The next day, you find that one of the drives has failed. What will you do? a. Use Disk Administrator to break the RAID 5 volume, replace the drive, and then regenerate the stripe set. b. Use Disk Administrator to break the RAID 5 volume and then restore data from the tape backup. c. Replace the failed drive, use Disk Management, select a new area of free space and then regenerate the volume. d. Replace the drive, recreate the RAID 5 volume, and then restore data from the tape backup. Chapter 2: Storage Devices and Power Supplies

c. Replace the failed drive, use Disk Management, select a new area of free space and then regenerate the volume.

What is another term for a cluster? a. cylinder b. sector c. allocation unit d. track Chapter 2: Storage Devices and Power Supplies

c. allocation unit

Which of the following uses a shorter wavelength and allows for almost six times more data storage than on a DVD? a. bluetooth b. blue jacking c. blu ray disk d. digital linear tape Chapter 2: Storage Devices and Power Supplies

c. blu ray disk

Which of the following is not a consideration when installing an internal storage device? a. you should match the form factor of the drive or adapt it to an available drive bay or slot. b. you should secure the drive with at least two screws on one side and preferably two on each side. c. due to the high revolutions at which modern hard drives spin, you must secure an external power source because the internal power supplies do not have the capacity. d. you need to be sure that the routing of the drive's ribbon cable, if applicable, does not obstruct the engineered flow of air across internal components. Chapter 2: Storage Devices and Power Supplies

c. due to the high revolutions at which modern hard drives spin, you must secure an external power source because the internal power supplies do not have the capacity.

What is the name of the power connector that is larger than the connector used for floppy diskette drives and that is commonly used with PATA drives? a. at system connector b. berg c. molex d. atx system connector Chapter 2: Storage Devices and Power Supplies

c. molex

After SATA was introduced, what was the retroactive term used for the original ATA specification? a. eide b. ide c. pata d. scsi Chapter 2: Storage Devices and Power Supplies

c. pata

Which of the following RAID levels creates a stripe set but does not provide data redundancy? a. Raid 10 b. raid 1 c. raid 0 d. raid 5 Chapter 2: Storage Devices and Power Supplies

c. raid 0

Jennifer, a network administrator, is implementing disk redundancy in all database servers. She also wants to use minimum number of disks. Which of the following RAID configurations will she use to complete implementation? a. raid 10 b. raid 5 c. raid 1 d. raid 0 Chapter 2: Storage Devices and Power Supplies

c. raid 1

Which of the following types of RAID configurations provides the best speed in addition to fault tolerance at the lowest possible cost? a. raid 0 b. raid 1 c. raid 5 d. raid 10 Chapter 2: Storage Devices and Power Supplies

c. raid 5

What is the term for one of the segments of a track on the platter of a magnetic disk? a. cluster b. cylinder c. sector d. allocation unit Chapter 2: Storage Devices and Power Supplies

c. sector

Which technology is based on flash memory and is intended to eventually replace conventional hard disk drives that have moving discs and other mechanisms? a. usb flash drives b. memory cards c. solid-state drives d. optical drives Chapter 2: Storage Devices and Power Supplies

c. solid-state drives

Which of the following drives is most likely to survive in case they are dropped to floor from some height? a. sata b. pata c. ssd d. optical disc drive Chapter 2: Storage Devices and Power Supplies

c. ssd

Which of the following technologies was developed specifically to allow SATA drives to be connected to a computer system externally without forfeiting any of the benefits of SATA? a. usb 3.0 b. usb 3.1 c. PATA d. eSATA Chapter 2: Storage Devices and Power Supplies

d. eSATA

A server on a network contains two network cards. The server is configured in such a way that if a primary network card fails, the standby network card gets activated. Which of the following terms best describes this phenomena? a. traffic shaping b. high availability c. load balancing d. fault tolerance Chapter 2: Storage Devices and Power Supplies

d. fault tolerance

What does BIOS do when a Plug and Play card is installed? a. it reads a device driver for the card b. it checks the processor's internal cache c. in uninstalls the device drivers of other cards during the installation d. it consults the chipset to determine which system resources are available for the card and then configures the new device Chapter 2: Storage Devices and Power Supplies

d. it consults the chipset to determine which system resources are available for the card and then configures the new device

Martha works as a network administrator for uCertify Inc. The company's database is heavily read oriented. She is trying to select the best method for handling the situation of a hard drive crashing, which should also be a cost effective option that can provide both performance and redundancy. Which of the following RAID levels should Martha use? a. raid 0 b. raid 10 c. raid 3 d. raid 5 Chapter 2: Storage Devices and Power Supplies

d. raid 5

You're working with a company that depends on real time data being available to employees, thus performance is an issue. The company is trying to select the best method for handling the situation of a hard drive crashing. Which of the following would you recommend to the company? a. raid 0 b. raid 1 c. raid 2 d. raid 5 Chapter 2: Storage Devices and Power Supplies

d. raid 5

Which of the following does RAID 0 provide? a. striping with parity b. fault tolerance c. disk mirroring d. striping Chapter 2: Storage Devices and Power Supplies

d. striping

What is the term for the concentric magnetic rings on the surface of a disk platter? a. cluster b. sector c. cylinder d. track Chapter 2: Storage Devices and Power Supplies

d. track