CPT 209 Final Review Flashcards
SAS is optimal for use in ___________________ and workstations because it has a more versatile array of connectors and is faster at reading and writing data in a continuous computer session
Standard Homes
Magnetic hard drive read/write heads are controlled by an _____________, which moves the read/write heads across the disk surfaces in unison.
actuator
ATAPI is a legacy standard interface system designed to connect hard drive, CD-ROM drive, ZIP, and large Tape drives.
True
With ______________________, you can connect and disconnect a drive while the system is running.
hot-swapping
What command can be used to make sure that the hard drive does not have bad sectors?
chkdsk
The slower the spindle rotates on a traditional magnetic drive, the better performance it will have.
False
Most current magnetic hard drives use ________ byte sectors.
4096
RAID 5 requires three or more drives and uses _________ checking.
parity
Why might you want to use a RAID 0 disk configuration?
to improve overall disk performance
Besides capacity, SD cards come in three physical sizes and are rated for ____________ in classes.
memory
Which type of RAID volume is used for fault tolerance and only requires two drives?
RAID 1
What two optical disc drive standards allow for rewritable discs?
BD-RE
DVD-RAM
The hard drive firmware, UEFI/BIOS, and the OS address the sectors on a hard drive utilizing what technology?
logical block addressing
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
The boot sector that holds an MBR partition table can be repaired.
True
What two optical disc drive standards support writing discs with a total capacity of 8.5GB?
DVD-R DL
DVD+R DL
A _____________________ has no moving parts and is built using nonvolatile memory, which is similar to that used for USB flash drives.
Solid State Drive
Scenario:
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
What are current (non-legacy) file systems used with macOS?
APFS
Ext3
Mac OS Extended
Legacy IDE uses what pin counts on it’s ribbon cables?
40
Which type of removable storage media can provide up to 2 TB of storage?
SDXC
The read/write head on a magnetic hard drive is at both the top and bottom of each disk.
True
NVMe interface standard is used only by SSDs.
True
This form factor used to be called SFF-8639 and was targeted almost entirely at server and enterprise markets.
SSD Form Factor
Scenerio:
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
Scenario:
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 a NVME SSD hard drive.
How can Devon attach a NVME device to his computer?
PCIe expansion card
U.2 port on the motherboard
M.2 slot on the motherboard
Which rotation speed is not a typical spindle rotation speed for magnetic hard drives?
3200 RPM
A hybrid hard drive uses the flash component as a ____________ to improve drive performance.
buffer
What are four of the factors you should consider when purchasing a hard drive that affect performance, use, and price?
Speed of the spindle, size of cache, drive capacity, and interface standard
Scenario:
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
What two SD standards utilize the FAT file system?
SDHC
SD
What process writes sector markings to a magnetic hard drive?
low-level formatting
RAID is the acronym for redundant array of _______________________ disks
independent
What two different file systems can be used on a Compact Disc (CD)?
UDF
CDFS
The NTFS file system is primarily used by hard drives that run Windows Operating systems.
The acronym NTFS stands for _____________________________________.
New Technology File System
Scenario:
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.
If a computer is performing slowly due to file fragmentation, what Windows tool can be utilized to rearrange fragments?
Expansion card failed or became unseated.
Which file system is used by small-capacity USB flash drives and memory cards?
FAT
Scenario:
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
Data is organized on a magnetic hard drive in _____[a]_____ circles, called tracks. Each track is divided into segments called _____[b]_____.
concentric
sectors
The SATA 3.2 revision allows for PCIe and SATA to work together in a technology called SATA ________________, which uses a new SATA connector.
Express
How many layers of data can exist on a single side of a Blu-ray disc?
4 Layers
The _________________ file system is used by large-capacity removable storage devices such as large-capacity USB flash drives, memory cards, and some external hard drives.
exFat
What are current (non-legacy) file systems used with Linux OS?
Ext2
Ext3
Ext4
A SATA power cable has how many pins?
15 pins
A SATA data cable has how many pins?
7 pins
The SATA drive technology utilizes a serial data path.
True
What technology is used to assure that the logical block addressing on a SSD does not always address the same physical blocks, in order to distribute write operations?
wear leveling
The 2.5” size hard drive is typically used in devices such as laptops.
True
The __________________________ is a small database that holds parameters Windows 7/8/10 needs for a successful boot
Boot Configuration Data
What hard drive technology is used to predict when a drive is likely to fail?
S.M.A.R.T.
In an SSD drive, flash memory is stored on ___________________________________ (EEPROM) chips inside the drive housing.
Electronically erasable programmable read-only memory
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 no which you are connecting the drive will also run at 6.0Gbps?
Motherboard manual.
SSDs are less expensive than magnetic hard drives
False
When installing a SATA hard drive, is it true or false that you need to move the jumpers on the back of the drive to instruct the computer on which hard drive is the bootable drive?
False
What SATA standard provides a transfer rate of 3 Gb/sec?
SATA2
Scenerio:
During routine maintenance on your server, you discover that one of the 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.
The next morning you arrive at work and discover that the RAID has completely failed. None of the disks are working.
Your server is still running because you installed the OS on a non-RAID disk, but all the data is missing, and the server shows that none of your RAID disks are found.
What might be the problem with your server?
RAID controller
Motherboard
What type of RAID is a combination of mirroring and striping?
RAID 10
What command line utility can be used to repair the BCD on a Windows installation?
bootrec
Scenario:
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 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.
magnetic drives have larger capacity for the money than solid state drives.
True
The SATA 6 Gb/s standard is also known by what other name?
SATA III
SCSI subsystems need a _________________ resister plugged into the last device on the daisy chain
terminating
Scenario:
Sherri has recently been injured.
She is having a problem using her left hand and would like to use a stylus to move her mouse around the screen on her laptop computer.
What device can Sherri add to her system to allow a non-touch screen laptop to use a stylus to manipulate the screen?
Digitizer
LED stands for: ____________________________________
Light-emitting diode
Scenario:
Bayley wants to connect a new external hard drive to his Windows PC.
He wants the fastest connection type available because he plans to edit video directly to and from the external hard drive.
Which connection type should Bayley use to get the fastest connection possible?
Thunderbolt 3
The ____________ board on a laptop converts DC to AC used to power LCD backlighting
inverter
Scenario:
Henry’s laptop computer was stepped on yesterday, and the touchpad no longer works.
The keyboard works fine.
What can Henry do to use a mouse with his laptop?
He can attach a USB mouse.
Scenario:
David has a laptop that is having a problem with the video system.
You believe the problem might be the backlight.
During your research, you discover that the laptop does not have a backlight.
What type of screen is on David’s new laptop?
OLED
Scenario:
Sarah needs to connect to an interface port on an enterprise switch.
Her laptop does not have the correct port.
When she mentions this to her boss, he tells her that they have several older laptops in a closet and one of them should have a RS-232 connector for the enterprise switch.
What does the connector that Sarah needs look like?
A 9 pin two row D-shaped male connector
OLED does not emit as much light as an LCD monitor does, and, therefore, can produce deeper blacks, provide better contrast, work in darker rooms, and use less power than can an LCD monitor.
True
A barcode reader might use what kind of port?
wireless
USB
serial
keyboard
an outdated wireless technology used to connect personal devices, has been replaced by Bluetooth
infrared (IR)
another term for graphics tablet, which is used to hand draw
digitizer
transmits both digital video and audio, most common type is the Type A 19-pin
HDMI connector
uses a thin LED layer or film between two grids of electrodes
OLED
used to cast a transparent image onto a large screen
projector
the number of times a monitor screen is built or refreshed in one second
refresh rate
used with a graphics tablet and works like a pencil
stylus
the relative difference between light and dark areas on a video screen
contrast ratio
A black screen occurs right after you install a new video card. What might the problem be?
the onboard video is not disabled in BIOS
What DVI port types will work with an HDMI to DVI adapter ?
DVI-I
DVI-D
Scenario:
You are using a new LCD monitor and notice that the icons and images look distorted or elongated.
What video setting can you use to fix this problem?
Resolution
Scenario:
Stephen has an older LCD monitor that he uses for presentations.
Recently, Stephen has noticed that a spot on the monitor that does not change when he shows his presentations.
The spot does not display the colors and stays dark when the screen is white.
What might be the problem with Stephen’s video issue?
Dead pixel.
An eSATA-600 port is capable of attaining what maximum data transfer speed?
6 Gbps
Every installed device requires a device driver to control the device.
True
Scenario:
Nick is working on a new graphic for one of his company’s clients and is having an issue with the color on his screen.
The client wants the graphic to include a very bright red color, but Nick can’t seem to find the right color on his screen.
He seems to have the color perfect on the screen, but when he tries to print the graphic, the color seems to fade.
He has checked the printer, and it works fine.
What will help Nick see on the screen the color that he is printing?
Calibrate the display color.
What should you install in a server room that will save space by allowing you to control multiple servers with a single mouse, keyboard, and monitor?
a KVM switch
which statement is accurate when installing a new device?
a mouse may not require an additional device driver installation
A touchscreen on a laptop can be used as both a mouse and keyboard?
True
Scenario:
Reggie has hired you to design a home network.
The home network will share a printer but will mainly be used to stream movies to two different rooms.
What kind of storage should you recommend to Reggie for this type of network?
Network-attached storage
Scenario:
Jose calls you at the help desk because he is having a problem logging on to his laptop computer.
After several unsuccessful attempts to enter his password, he asks you to reset the password because he must have forgotten it.
You reset his password, and he types it, but again the computer rejects it.
Jose assures you that he typed the correct user name and password.
You ask him what type of computer he is using, and he tells you a laptop.
What might be the problem with Jose’s computer?
Num Lock key is on.
Scenario:
Sandy is replacing her broken laptop LCD screen with a new screen.
During disassembly, she notices two cables that wrap around the screen and connect to the mini-PCIe card inside the laptop.
What will happen if Sandy breaks one of these cables?
She will not be able to connect to Wi-Fi with the laptop.
__________________ uses data packet transmissions similar to those of Ethernet, USB, and PCI Express.
DisplayPort
Scenario:
Heather’s computer display is having a problem in which the desktop seems to be shifting.
What could be causing this problem on Heather’s monitor?
GPU on video card overheating.
Scenario:
You are installing a webcam in the screen bezel of your laptop.
Prior to disassembling the laptop, what other devices in the screen bezel should you be aware of?
WI-FI antenna
Microphone
OLED monitors give less glare than LED monitors.
False
Which of the following describes USB 3.2?
20 Gbps , cable length up to 1 meter
Scenario:
The video on your laptop needs to be updated.
You have researched online, and according to the manufacturer, you can install a new video card in your laptop.
What is the most likely slot connection you will use to install a new video card in your laptop?
Mini PCIe
Scenario:
When Ron turns on his computer, he hears one beep.
However, there is no image on the screen.
The monitor indicator is not on.
What should Ron consider first when he troubleshoots this video issue?
Is the monitor plugged in properly?
What is the distance between adjacent dots on a screen known as?
pixel pitch
Scenario:
Jordan has been asked to help his company find a way to allow all the workers to log on to computers securely but without using a user name and password.
The CIO wants everyone use face recognition software.
What peripheral will be needed on each computer to allow the workers to log on using face recognition software?
Camera or webcam
Which statement regarding the USB standard and USB devices is accurate?
a USB cable has four wires, two for power and two for communication
Scenario:
Henry uses a laptop and has noticed that sometimes when he is typing, the cursor will move, causing him to mistype words or even delete sentences or entire paragraphs.
Henry has tried not to touch the touchpad on his laptop, but the problem still occurs.
What can Henry do to remedy this problem?
He can turn off the touchpad in Windows.
A ________________ device inputs data about a person which might include fingerprints and voice.
biometric
Bad drivers can affect the mouse cursor. A __________ cursor is a trail left behind when you move a cursor.
ghost
What term refers to horizontally torn images on a screen, which occur when the video feed from the video controller gets out of sync with the refresh rate of the monitor?
artifacts
Scenario:
You have been asked to assist a retail company.
It sells clothing and would like to have a Point of Sale computer installed to help with inventory control and to allow customers to check out faster.
What peripheral will you recommend to them to help them keep track of inventory and check customers out faster?
Barcode reader
A _______________ is an input device that uses a monitor or LCD panel as the backdrop for input options.
touch screen
When a static image stays on a monitor for many hours leaving a permanent impression of that image on the monitor, what term is used to describe the condition?
burn-in
What two wireless technologies share a similar radio frequency range?
Bluetooth
802.11b
This type of monitor technology produces an image using large, easily polarized molecules.
LCD Monitor
If a driver update creates a problem, you can __________________ the driver update if the previous drivers were working.
undo
Which type of video port provides a digital-only signal?
DVI-D
Scenario:
Eric has asked you to help him build a new gaming computer so that he can play the newest games available.
He also wants the computer to be VR-compatible.
He has already purchased a high definition sound card, a new multi-core processor, an SSD hard drive, and 16GB of RAM.
What is missing from Eric’s game design build?
Video card
VGA mode includes what two resolutions for troubleshooting monitors?
640 x 480
800 x 600
What icon might you see in Device Manager that indicates a problem with a device?
yellow triangle
Senario:
Damion recently did an update to his computer and added a new video card.
After the update, Damion decided that he would like to play his favorite game.
While he was playing the game, the system locked up.
He restarted the computer and did not have any issues until he tried to play the same game, at which point, the computer locked up again.
What might be the problem with Damion’s computer?
Version of DirectX is out of date.
Game is not compatible with video card.
Video card device drives need to be updated.
When using static IP addressing, software automatically configures the network connection on each device.
False
Scenario:
You are setting up your Windows computer to connect to the Internet and notice that when you type www.microsoft.com, the browser does not go to the site.
Instead, you receive an error message saying that the address cannot be resolved.
What network setting should you check to see the address of the server being used to resolve this address?
DNS
Cellular devices that use GSM or LTE require a __________________________________________ be installed in the device, which contains the information that identifies your device to the carrier.
subscriber identification module
SIM