IT Essentials ( Version 8.0) – IT Essentials 8.0 Chapter 3 exam answers (3.7 Module Exam)
1. A 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?
- smart card reader
- RAID
- motherboard that supports dual-channeling
- Thunderbolt connector
2. A 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?
- 7
- 1
- 3
- 10
3. How should a technician dispose of an empty inkjet printer cartridge?
- Give it back to the customer.
- Refill it.
- Follow local regulations for disposal.
- Throw it away.
4. What is indicated by the contrast ratio of a monitor?
- the difference in the intensity of light between the brightest white and darkest black that can be displayed
- the ratio of the horizontal and vertical viewing areas of the monitor
- the total number of pixels that make up the picture
- how often the picture image is refreshed
5. Which security feature in modern CPUs protects memory areas that contain part of the operating system from malware attacks?
- execute disable bit
- LoJack
- encryption
- TPM
6. What makes CRT monitor disposal dangerous for a technician who is handling the disposal?
- potential health-damaging chemicals
- potential breathing hazards
- potential residual high voltage
- potential explosive materials
7. Which type of interface was originally developed for high-definition televisions and is also popular to use with computers to connect audio and video devices?
- VGA
- DVI
- HDMI
- USB
- FireWire
8. A 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?
- a 7200 RPM SATA hard drive
- a 7200 RPM EIDE hard drive
- a 10,000 RPM SATA hard drive
- an SSD
9. A 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?
- after the POST, but before Windows starts to load
- during the POST
- before the computer is powered on
- during the Windows load process
10. What electrical unit refers to the number of electrons moving through a circuit per second?
- resistance
- current
- voltage
- power
11. What data is stored in the CMOS memory chip?
- user login information
- device drivers
- Windows configuration settings
- BIOS settings
12. Which statement describes the capability of an HDMI version 1.4 type A port?
- It supports high premium speeds of up to 48 Gbps.
- It uses a 20-pin connector for delivering high-bandwidth video and audio signals.
- It can change a monitor’s refresh rate to match the source device output rate.
- It can be used for 4K and 8K resolutions.
13. Which condition refers to a reduced voltage level of AC power that lasts for an extended period of time?
- spike
- sag
- surge
- brownout
14. Which 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?
- secure boot
- RAID
- BIOS passwords
- drive encryption
15. What characteristic of electricity is expressed in watts?
- the amount of work required to move electrons through a circuit
- the work required to move electrons through a circuit multiplied by the number of electrons flowing through a circuit per second
- the amount of electrons flowing through a circuit per second
- the resistance to the flow of current in a circuit
16. What is one purpose of adjusting the clock speed within the BIOS configuration settings?
- to disable devices that are not needed or used by the computer
- to change the order of the bootable partitions
- to allow a computer to run multiple operating systems in files or partitions
- to allow the computer to run slower and cooler
17. What are two reasons for installing a second hard disk drive inside an existing computer? (Choose two.)
- to store BIOS configuration settings
- to allow access to a secondary display output
- to store the system swap file
- to increase CPU speed
- to support a RAID array
18. What is the purpose of LoJack?
- It encrypts data on hard drives to prevent access without the correct password.
- It allows the owner of a device to remotely locate, lock, or delete all files from the device.
- It provides passwords for different levels of access to the BIOS.
- It ensures that a computer will only boot an operating system that is trusted by the motherboard manufacturer.
19. A 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?
- It issues a number of short beeps.
- The LED on the front of the computer case flashes a number of times.
- It places an error message in the BIOS.
- It locks the keyboard.
20. Which two considerations would be of the greatest importance when building a workstation that will run multiple virtual machines? (Choose two.)
- water cooling
- amount of RAM
- powerful video card
- number of CPU cores
- high-end sound card
21. Match the RAID technology terms to the description. (Not all options are used.)
22. A 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?
- RAID 3
- RAID 4
- RAID 10
- RAID 2
23. Which two components are commonly replaced when a computer system with a newer motherboard is being upgraded? (Choose two.)
- hard disk drive
- CPU
- optical drive
- CMOS battery
- adapter card
- RAM
24. A 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?
- RAID 7
- RAID 8
- RAID 6
- RAID 4
25. A 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?
- 5
- 6
- 7
- 4
26. A 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?
- UEFI BIOS
- KVM switch
- dual-fan power supply
- read-only memory modules
27. How does an inline UPS protect computer equipment against electrical power brownouts and blackouts?
- by grounding excess electrical voltage
- by switching from main power to a standby power source
- by stopping the flow of voltage to the computer
- by using a battery to supply a constant level of voltage
28. A 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?
- RAID 3
- RAID 4
- RAID 6
- RAID 2
29. A 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?
- smart card reader
- Thunderbolt connector
- multiple large hard drives
- dual-fan power supply
30. A 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?
- 6
- 10
- 7
- 2
31. A 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?
- Replace the motherboard.
- Move the jumpers.
- Replace the CMOS battery.
- Upgrade the BIOS.
32. A 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?
- multiple SCSI drives
- powerful processor
- optical drive
- multiple touch screens
33. A 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?
- RAID 8
- RAID 7
- RAID 0
- RAID 4
34. A 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?
- RAID 2
- RAID 4
- RAID 3
- RAID 5
35. A 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?
- multiple SCSI drives
- optical drive
- multiple touch screens
- network connection to a server
36. What is a function of the BIOS?
- enables a computer to connect to a network
- performs a check on all internal components
- provides temporary data storage for the CPU
- provides graphic capabilities for games and applications
37. A 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?
- dual-fan power supply
- smart card reader
- specialized audio card
- Thunderbolt connector
38. A 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?
- cellular card
- Thunderbolt connector
- smart card reader
- dual-fan power supply
39. A 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?
- motherboard that supports dual-channeling
- KVM switch
- smart card reader
- Thunderbolt connector
40. A 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?
- RAID 1
- RAID 7
- RAID 8
- RAID 4
41. What is the advantage of having a redundant power supply?
- It can be used to power high-performance graphic cards.
- It provides a Field Replacement Unit for immediate replacement in the event of a power supply failure.
- It allows for the replacement of the faulty power supply without loss of power to the server.
- It can be linked to increase the wattage required for the newer processors.
42. A 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?
- 3
- 4
- 7
- 10
many questions have been repeated