IT Essentials 1-4
NVMe M.2
10 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?
to connect a device to a wired network
11 A user is building a new computer system. Why would the user select a straight-through cable?
It can process overlapping instructions in parallel.
12 Which statement describes a feature of SDRAM?
to configure a RAID
13 A user is building a new computer system. Why would the user select two hard drives?
to configure a raid
14 A user is building a new computer system. Why would the user select three hard drives?
to attach to an analog monitor
15 A user is building a new computer system. Why would the user select a DVI to VGA adaptor?
to replace cable TV cabling
16 A user is building a new computer system. Why would the user select an RG-6 cable?
to install a video card
17 A user is building a new computer system. Why would the user select a PCIe x16 expansion slot?
to install a memory module
18. A user is building a new computer system. Why would the user select a DDR3?
to install a memory module
19..... A user is building a new computer system. Why would the user select a DDR4?
SSD, dedicated video card
1A 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.)
to install a power supply into a PC tower case
20 A user is building a new computer system. Why would the user select external screws?
a device that allows the use of one set of keyboard, mouse, and monitor to control multiple computers
21 What characteristic best describes a KVM switch?
an output device used to present information from a laptop onto a screen
22 What characteristic best describes a projector?
an input device that recognizes touch and pressure as instructions
23 What characteristic best describes a touch 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
24 What characteristic best describes an AR headset?
a pen-like tool that allows input by touching the surface of the screen
25 What characteristic best describes a stylus?
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
26 What characteristic best describes an AR headset?
an input device that reads encoded information from the back of plastic cards
27 What characteristic best describes a magstripe reader?
an input device that provides verification of package delivery by digitizing a written name
28 What characteristic best describes a signature pad?
the first type of input device used for creating documents and emails
29 What characteristic best describes a keyboard?
Data and power cables are attached, The drive port is enabled in the BIOS.
2A 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.)
an input device that reads barcodes affixed to most retail products
30 What characteristic best describes a barcode scanner?
GPU overheating, loose video cable.
3A user reports that when games are being played, the computer displays random blotches on the screen. What are two possible causes? (Choose two.)
Dual Channel
4 A technician is installing memory into computer and notices that there are two black memory slots and two blue memory slots. Which memory technology does this motherboard use?
3.5 inch 15K drive
5A user has the following requirements for a RAID drive:
Connect the computer to the application server.
6A 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?
on the motherboard
7 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?
when replacing cable TV cabling
8 Where would a technician use an RG-6 cable?
Enable it in BIOS.
9A technician is asked to configure a laptop for LoJack. What will the technician have to do to accomplish this task?
DDR Sdram
It's connector has 184 pins and is able to support two writes and two reads per CPU clock cycle.
DDR3 SDRAM
It's connector has 240 pins and consumes 1.5 Volts of power.
GDDR SDRAM
It's connector has 240 pins and consumes 1.8 Volts of power.
DDR4 Sdram
It's connector has 288 pins and has advanced error correction features available.
