Test
Chapter 3 Exam
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Preguntas del test (50)
1Match the RAID technology terms to the description. (Not all options are used.)
1. [blank_start]mirroring[blank_end] stores same data on multiple drives simultaneously.
2. [blank_start]parity[blank_end] provides basic error checking and fault tolerance by storing checksums separately from data.
3. [blank_start]double parity[blank_end] provides fault tolerance for up to two failed drives.
4. [blank_start]striping[blank_end] enables data to be distributed across multiple drives.- Amirroring
- Bparity
- Cstriping
- Ddouble parity
- Eduplexing
2Which two considerations would be of the greatest importance when building a workstation that will run multiple virtual machines? (Choose two.)
- Aamount of RAM
- Bnumber of CPU cores
- Cwater cooling
- Dpowerful video card
- Ehigh-end sound card
3Which two components are commonly replaced when a computer system with a newer motherboard is being upgraded? (Choose two.)
- ARAM
- Bhard disk drive
- CCPU
- Doptical drive
- ECMOS battery
- Fadapter card
4What are two reasons for installing a second hard disk drive inside an existing computer? (Choose two.)
- Ato support a RAID array
- Bto store BIOS configuration settings
- Cto store the system swap file
- Dto increase CPU speed
- Eto allow access to a secondary display output
5A technician has just finished assembling a new computer. When the computer is powered up for the first time, the POST discovers a problem. How does the POST indicate the error?
- AIt issues a number of short beeps.
- BThe LED on the front of the computer case flashes a number of times.
- CIt places an error message in the BIOS.
- DIt locks the keyboard.
6What is a function of the BIOS?
- Aenables a computer to connect to a network
- Bprovides temporary data storage for the CPU
- Cperforms a check on all internal components
- Dprovides graphic capabilities for games and applications
7A technician has assembled a new computer and must now configure the BIOS. At which point must a key be pressed to start the BIOS setup program?
- Abefore the computer is powered on
- Bduring the Windows load process
- Cduring the POST
- Dafter the POST, but before Windows starts to load
8How does an inline UPS protect computer equipment against electrical power brownouts and blackouts?
- Aby grounding excess electrical voltage
- Bby using a battery to supply a constant level of voltage
- Cby switching from main power to a standby power source
- Dby stopping the flow of voltage to the computer
9Which condition refers to a reduced voltage level of AC power that lasts for an extended period of time?
- Abrownout
- Bsag
- Cspike
- Dsurge
10How should a technician dispose of an empty inkjet printer cartridge?
- ARefill it.
- BThrow it away.
- CFollow local regulations for disposal.
- DGive it back to the customer.
11What makes CRT monitor disposal dangerous for a technician who is handling the disposal?
- Apotential breathing hazards
- Bpotential explosive materials
- Cpotential residual high voltage
- Dpotential health-damaging chemicals
12Which type of interface was originally developed for high-definition televisions and is also popular to use with computers to connect audio and video devices?
- AFireWire
- BDVI
- CHDMI
- DUSB
- EVGA
13What is indicated by the contrast ratio of a monitor?
- Athe difference in the intensity of light between the brightest white and darkest black that can be displayed
- Bhow often the picture image is refreshed
- Cthe total number of pixels that make up the picture
- Dthe ratio of the horizontal and vertical viewing areas of the monitor
14What electrical unit refers to the number of electrons moving through a circuit per second?
- Acurrent
- Bvoltage
- Cresistance
- Dpower
15What characteristic of electricity is expressed in watts?
- Athe amount of work required to move electrons through a circuit
- Bthe resistance to the flow of current in a circuit
- Cthe amount of electrons flowing through a circuit per second
- Dthe work required to move electrons through a circuit multiplied by the number of electrons flowing through a circuit per second
16Which is a BIOS security feature that can prevent data from being read from a hard drive even if the hard drive is moved to another computer?
- Adrive encryption
- BRAID
- Csecure boot
- DBIOS passwords
17What data is stored in the CMOS memory chip?
- ABIOS settings
- BWindows configuration settings
- Cuser login information
- Ddevice driver
18What is the purpose of LoJack?
- AIt allows the owner of a device to remotely locate, lock, or delete all files from the device.
- BIt ensures that a computer will only boot an operating system that is trusted by the motherboard manufacturer.
- CIt provides passwords for different levels of access to the BIOS.
- DIt encrypts data on hard drives to prevent access without the correct password.
19What is one purpose of adjusting the clock speed within the BIOS configuration settings?
- Ato allow a computer to run multiple operating systems in files or partitions
- Bto change the order of the bootable partitions
- Cto disable devices that are not needed or used by the computer
- Dto allow the computer to run slower and cooler
20A user playing a game on a gaming PC with a standard EIDE 5400 RPM hard drive finds the performance unsatisfactory. Which hard drive upgrade would improve performance while providing more reliability and more energy efficiency?
- Aa 7200 RPM EIDE hard drive
- Ba 7200 RPM SATA hard drive
- Ca 10,000 RPM SATA hard drive
- Dan SSD
21Which security feature in modern CPUs protects memory areas that contain part of the operating system from malware attacks?
- Aencryption
- BTPM
- Cexecute disable bit
- DLoJack
22A user reports that every morning when a particular computer is turned on, the configuration settings on that computer have to be reset. What action should be taken to remedy this situation?
- AReplace the motherboard.
- BReplace the CMOS battery.
- CMove the jumpers.
- DUpgrade the BIOS.
23A data analyst has asked a technician to help protect locally stored data by installing a RAID. What is the minimum number of drives the technician has to install if configuring a RAID level 6?
- A3
- B5
- C6
- D7
24A data analyst has asked a technician to help protect locally stored data by installing a RAID. What is the minimum number of drives the technician has to install if configuring a RAID level 10?
- A4
- B5
- C6
- D7
25A data analyst has asked a technician to help protect locally stored data by installing a RAID. What is the minimum number of drives the technician has to install if configuring a RAID level 1?
- A2
- B6
- C10
- D7
26A data analyst has asked a technician to help protect locally stored data by installing a RAID. What is the minimum number of drives the technician has to install if configuring a RAID level 5?
- A3
- B7
- C6
- D10
27A data analyst has asked a technician to help protect locally stored data by installing a RAID. What is the minimum number of drives the technician has to install if configuring a RAID level 6?
- A3
- B1
- C7
- D6
28A data analyst has asked a technician to help protect locally stored data by installing a RAID. What is the minimum number of drives the technician has to install if configuring a RAID level 10?
- A4
- B6
- C10
- D7
29A data analyst has asked a technician to help protect locally stored data by installing a RAID. What is the minimum number of drives the technician has to install if configuring a RAID level 5?
- A3
- B1
- C7
- D10
30A data analyst has asked a technician to help protect locally stored data by installing a RAID. What is the minimum number of drives the technician has to install if configuring a RAID level 1?
- A2
- B6
- C1
- D5
31A technician has been asked to configure several computers with RAID. The customer needs protection if one drive fails, fast access, and drive capacity. Which RAID should the technician install?
- ARAID 5
- BRAID 4
- CRAID 2
- DRAID 3
32A technician has been asked to configure several computers with RAID. The customer needs protection if two drive fails and wants as much drive capacity as possible. Which RAID should the technician install?
- ARAID 6
- BRAID 7
- CRAID 2
- DRAID 3
33A technician has been asked to configure several computers with RAID. The customer needs protection if two drive fails and wants as much drive capacity as possible. Which RAID should the technician install?
- ARAID 6
- BRAID 7
- CRAID 8
- DRAID 4
34A technician has been asked to configure several computers with RAID. The customer needs protection for one drive failure and only has room in the computer for two drives. Which RAID should the technician install?
- ARAID 1
- BRAID 7
- CRAID 8
- DRAID 4
35A technician has been asked to configure several computers with RAID. The customer wants RAID and full drive capacity, but does not care about a drive failure, because all data is constantly backed up. The computer where the RAID is to be installed only has room for two drives. Which RAID should the technician install?
- ARAID 0
- BRAID 8
- CRAID 7
- DRAID 4
36A technician has been asked to configure several computers with RAID. The customer wants data to be stored on two drives that are used to maximum capacity and does not care if a single drive fails, because data is backed up hourly. Which RAID should the technician install?
- ARAID 0
- BRAID 8
- CRAID 7
- DRAID 4
37A technician has been asked to configure several computers with RAID. The customer wants data to be stored on three drives and protection for one drive failure. Which RAID should the technician install?
- ARAID 5
- BRAID 2
- CRAID 8
- DRAID 7
38A technician has been asked to configure several computers with RAID. The customer wants three drives to be used and protection if one drive fails. Which RAID should the technician install?
- ARAID 5
- BRAID 2
- CRAID 4
- DRAID 3
39A technician has been asked to configure several computers with RAID. The customer wants to incorporate mirroring and striping as part of the RAID. Which RAID should the technician install?
- ARAID 10
- BRAID 3
- CRAID 4
- DRAID 2
40A technician has been asked to configure several computers with RAID. The customer wants the best RAID possible with three drives used. Which RAID should the technician install?
- ARAID 6
- BRAID 3
- CRAID 2
- DRAID 4
41A technician is selecting a PC that will be used by a user as a thin client. What is a major consideration that needs to be taken into account?
- Anetwork connection to a server
- Bmultiple SCSI drives
- Coptical drive
- Dmultiple touch screens
42A technician is selecting a web server that will be used to host multiple gaming applications. What is a major consideration that needs to be taken into account?
- Apowerful processor
- Bmultiple SCSI drives
- Coptical drive
- Dmultiple touch screens
43A technician is selecting a web server that will be used to host multiple gaming applications. What is a major consideration that needs to be taken into account?
- Apowerful processor
- Bread-only memory modules
- Cmultiple touch screens
- Dmultiple SCSI drives
44A technician is selecting a PC that will be used by a songwriter to mix tracks. What is a major consideration that needs to be taken into account?
- Aspecialized audio card
- Bdual-fan power supply
- Csmart card reader
- DThunderbolt connector
45A technician is selecting a laptop that will be used by a teleworker for connecting to the internet while traveling anywhere. What is a major consideration that needs to be taken into account?
- Acellular card
- BThunderbolt connector
- Csmart card reader
- Ddual-fan power supply
46A technician is selecting a server that will be used by a cloud provider for data storage. What is a major consideration that needs to be taken into account?
- Amultiple large hard drives
- Bsmart card reader
- CThunderbolt connector
- Ddual-fan power supply
47A technician is selecting a server that will be used by a cloud provider to provide fault tolerance for large quantities of stored data. What is a major consideration that needs to be taken into account?
- ARAID
- Bsmart card reader
- CThunderbolt connector
- Ddual-fan power supply
48A technician is selecting a server that will be used by a cloud provider to provide fault tolerance for large quantities of stored data. What is a major consideration that needs to be taken into account?
- ARAID
- Bmotherboard that supports dual-channeling
- Csmart card reader
- DThunderbolt connector
49A technician is selecting a PC that will be used by an employee who wants to share a keyboard and mouse among three devices. What is a major consideration that needs to be taken into account?
- AKVM switch
- Bmotherboard that supports dual-channeling
- Csmart card reader
- DThunderbolt connector
50A technician is selecting a PC that will be used by an employee who wants to share a keyboard and mouse among three devices. What is a major consideration that needs to be taken into account?
- AKVM switch
- BUEFI BIOS
- Cdual-fan power supply
- Dread-only memory modules
Información
- Descripción
- Information Technology Test sobre Chapter 3 Exam, creado por Ahmed Yasih el 19/03/2021.
- Autor
- Ahmed Yasih
- Idioma
- English
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