IT essentials checkpoint 1-4
A technician is asked to configure a laptop for LoJack. What will the technician have to do to accomplish this task? Enable it in BIOS. Install antimalware software. Perform special steps on the hard drive using the Disk Management tool. Attach a physical cable through a special hardware loop that is part of the computer case.
Enable it in BIOS.
A user is building a new computer system. Why would the user select an RG-6 cable? to replace cable TV cabling to install a GRU to attach a laser printer to attach a VR headset
to replace cable TV cabling
A user has the following requirements for a RAID drive:It must be magnetic. It must be fast. It must fit into a standard tower case. Which drive type would meet the user requirements? 3.5 inch 15K drive BD-RE NVMe SSD
3.5 inch 15K drive*
A company is deploying both thin and thick client computers. Which configuration step will a technician need to do on the thin clients that will most likely not be done on the thick clients? Install additional RAM. Install local applications. Connect the computer to the LAN. Connect the computer to the application server.
Connect the computer to the application server.
A technician has installed a new second hard drive in a tower computer, but the drive does not show up in the BIOS. What are two things the technician should check first? (Choose two.) The drive has been partitioned. The drive works in another computer. Data and power cables are attached. The drive port is enabled in the BIOS. The power supply outputs enough wattage.
Data and power cables are attached. The drive port is enabled in the BIOS.
Which statement describes a feature of SDRAM? Its connector always has 240 pins. It requires constant power to function. It can process overlapping instructions in parallel. It is able to support two writes and two reads per CPU clock cycle.
It can process overlapping instructions in parallel.
Match the memory type to the feature.
It's connector has 288 pins and has advanced error correction features -> DDR4 SDRAM It's connector has 184 pins and is able to support two writes and two reads per CPU clock cycle. -> DDR SDRAM It's connector has 240 pins and consumes 1.5 Volts of power. -> DDR3 SDRAM It's connector has 240 pins and consumes 1.8 Volts of power. -> DDR2 SDRAM
A technician needs to purchase a storage drive that both connects directly to the PCIe bus and provides reliability. Which type of storage device would best meet these requirements? 2.5″ HDD 2.5″ SSD tape drive NVMe M.2
NVMe M.2
What characteristic best describes a KVM switch? an input device often used to provide secure access to locations or devices by using voice, facial, or fingerprint recognition an input device allowing users to pay for a product by tapping their credit card or smartphone on another device an input device that reads barcodes affixed to most retail products a device that allows the use of one set of keyboard, mouse, and monitor to control multiple computers*
a device that allows the use of one set of keyboard, mouse, and monitor to control multiple computers*
What characteristic best describes a VR headset? an output device that uses LED, LCD, or OLED technology a head-mounted device that provides head-motion and eye-tracking sensors and displays three-dimensional images an output device used to present information from a laptop onto a screen a head-mounted device that superimposes images and audio over a real world image and can provide users immediate access to information about their real surroundings
a head-mounted device that provides head-motion and eye-tracking sensors and displays three-dimensional images
What characteristic best describes a VR headset? an input device allowing users to pay for a product by tapping their credit card or smartphone on another device a head-mounted device that superimposes images and audio over a real world image and can provide users immediate access to information about their real surroundings an input device that reads barcodes affixed to most retail products an input device that reads encoded information from the back of plastic cards
a head-mounted device that superimposes images and audio over a real world image and can provide users immediate access to information about their real surroundings
What characteristic best describes an AR headset? an input device that provides verification of package delivery by digitizing a written name an output device used to present information from a laptop onto a screen a head-mounted device that superimposes images and audio over a real world image and can provide users immediate access to information about their real surroundings an output device that uses LED, LCD, or OLED technology
a head-mounted device that superimposes images and audio over a real world image and can provide users immediate access to information about their real surroundings
What characteristic best describes a joystick? an output device used to present information from a laptop onto a screen an input device for playing games and flight simulation applications an output device that uses LED, LCD, or OLED technology a head-mounted device that superimposes images and audio over a real world image and can provide users immediate access to information about their real surroundings
an input device for playing games and flight simulation applications
What characteristic best describes a biometric scanner? an input device that digitizes an image by placing the document on a flat glass surface and scanning from underneath an input device often used to provide secure access to locations or devices by using voice, facial, or fingerprint recognition an input device for playing games and flight simulation applications the first type of input device used to navigate the graphical user interface
an input device often used to provide secure access to locations or devices by using voice, facial, or fingerprint recognition
What characteristic best describes a flatbed scanner? an input device for playing games and flight simulation applications a device that allows the use of one set of keyboard, mouse, and monitor to control multiple computers the first type of input device used to navigate the graphical user interface an input device that digitizes an image by placing the document on a flat glass surface and scanning from underneath
an input device that digitizes an image by placing the document on a flat glass surface and scanning from underneath
What characteristic best describes a touch screen? an input device that recognizes touch and pressure as instructions an input device often used to provide secure access to locations or devices by using voice, facial, or fingerprint recognition an input device allowing users to pay for a product by tapping their credit card or smartphone on another device an input device that reads barcodes affixed to most retail products
an input device that recognizes touch and pressure as instructions*
What characteristic best describes a projector? an output device used to present information from a laptop onto a screen an input device allowing users to pay for a product by tapping their credit card or smartphone on another device an input device that reads barcodes affixed to most retail products an input device that reads encoded information from the back of plastic cards
an output device used to present information from a laptop onto a screen*
A user is building a custom computer system and is trying to decide on components for the new system. The user does light to medium graphic design, programming, and gaming. Which two components would be appropriate for this type of machine? (Choose two.) dedicated video card integrated CPU SSD high speed mechanical drive maximum CPU cores
dedicated video card SSD*
A technician is installing memory into a computer and notices that there are two black memory slots and two blue memory slots. Which memory technology does this motherboard use? DDR4 dual channel ECC parity
dual channel
A user reports that when games are being played, the computer displays random blotches on the screen. What are two possible causes? (Choose two.) bad inverter loose video cable* failing LCD backlight GPU overheating failing power supply
loose video cable GPU overheating*
A technician is researching how to troubleshoot a computer that reboots randomly. The research suggests that the technician should check the computer for distended capacitors. Where should the technician look for these? under the CPU on the motherboard on the memory module within the power supply
on the motherboard
A user is building a new computer system. Why would the user select a 24-pin connector? to attach power to the motherboard to replace a heatsink to diminish any electrostatic charge to attach an external HD
to attach power to the motherboard*
A user is building a new computer system. Why would the user select a DVI to VGA adaptor? to attach to an analog monitor to connect a Bluetooth device to attach a laser printer to attach a VR headset
to attach to an analog monitor
A user is building a new computer system. Why would the user select three hard drives? to configure a RAID to share input devices between two monitors to attach a laser printer to attach a VR headset
to configure a RAID
A user is building a new computer system. Why would the user select two hard drives? to configure a RAID to share input devices between two monitors to attach a laser printer to attach a VR headset
to configure a RAID
A user is building a new computer system. Why would the user select a straight-through cable? to connect a device to a wired network to install an EEPROM to diminish any electrostatic charge to attach an external HD
to connect a device to a wired network
A user is building a new computer system. Why would the user select a DDR3? to install a memory module to diminish any electrostatic charge to attach a laser printer to attach a VR headset
to install a memory module
A user is building a new computer system. Why would the user select a DDR4? to install a memory module* to attach an external HD to attach a laser printer to configure a gaming console
to install a memory module*
A user is building a new computer system. Why would the user select external screws? to attach an external HD to configure a gaming console to install a power supply into a PC tower case to diminish any electrostatic charge
to install a power supply into a PC tower case
A user is building a new computer system. Why would the user select a PCIe x16 expansion slot? to install a video card to install a GRU to attach a laser printer to attach a VR headset
to install a video card
Where would a technician use an RG-6 cable? when attaching a PC to a LAN when replacing cable TV cabling when connecting a display to a PC when attaching an external hard drive
when replacing cable TV cabling
