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Computer Hardware and Troubleshooting Fundamentals
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Computer Hardware and Troubleshooting Fundamentals
Computer Hardware and Troubleshooting Fundamentals
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1
Question
What characteristic best describes a stylus?
Page 1
Answer
a pen-like tool that allows input by touching the surface of the screen
2
Question
What is a KVM switch?
Page 1
Answer
Hardware device to control more than one computer from a single set of keyboard, video monitor, and mouse.
3
Question
How do thin clients differ from thick clients?
Page 1
Answer
Thick clients process locally with OS and storage; thin clients rely on remote servers with limited local resources.
4
Question
A network administrator would like to use one keyboard, mouse, and display to monitor and control multiple servers in the server room. Which device should the administrator purchase to accomplish this?
Page 1
Answer
KVM switch
5
Question
A small company is setting up a new remote satellite office. Employees in the remote office need to access network resources from the main office of the company. An IT manager is deciding whether to deploy thin or thick clients at the remote office. What is the key technical factor to be considered?
Page 1
Answer
internet connection bandwidth between the main and remote office
6
Question
What should a technician do for a printer problem beyond their knowledge?
Page 2
Answer
Gather as much information as possible and escalate the problem.
7
Question
After applying recommended solutions to resolve a workstation problem, what is the next troubleshooting step?
Page 2
Answer
Verify the solution and confirm full system functionality.
8
Question
What is a key characteristic of DDR SDRAM compared to SDRAM?
Page 2
Answer
Transfers data twice per clock cycle.
9
Question
What is the most probable reason for USB 3.0 device transferring at 450 Mb/s instead of 5 Gb/s with 3 ft cable?
Page 3
Answer
The device was connected to a USB 2.0 port on the computer.
10
Question
To improve gaming system performance with high-end graphics, liquid cooling, DDR3 RAM, but lagging, what to replace?
Page 3
Answer
Replace the EIDE drive with an SSD.
11
Question
What cable carries both digital video and audio for home entertainment to LCD TV?
Page 4
Answer
HDMI
12
Question
What cable delivers digital video signals only to a PC?
Page 4
Answer
DVI-D
13
Question
After questioning user about PC OS problems and suspecting failed service pack, which troubleshooting step concluded?
Page 4
Answer
Establish a theory of probable cause.
14
Question
Device needed to establish home wireless network and internet access for multiple devices?
Page 5
Answer
wireless router
15
Question
How can tourist connect laptop to internet using smartphone with 3G/4G when laptop has only WiFi/Ethernet?
Page 5
Answer
Enable tethering and create a hotspot.
16
Question
What aspect ratio for monitor 44 inches wide by 16 inches high?
Page 6
Answer
11:4
17
Question
Most important spec for thin client accessing remote virtual server apps?
Page 6
Answer
speed of network card
18
Question
Components for virtualization workstation? (Choose two)
Page 6
Answer
maximum amount of RAM and multicore processors
19
Question
Three components for CAD workstation? (Choose three)
Page 7
Answer
specialized graphics card, maximum RAM, SSD
20
Question
How to check suspected faulty power supply?
Page 7
Answer
by using a multimeter
21
Question
What transfers heat away from processor first?
Page 7
Answer
thermal compound
22
Question
Correct sequence to install heat sink and fan on desktop CPU?
Page 8
Answer
1. Apply thermal compound. 2. Align retainers. 3. Place assembly. 4. Tighten retainers. 5. Connect power cable.
23
Question
Power connectors needed for older optical drive and two newer hard drives?
Page 9
Answer
Molex and SATA
24
Question
Solution for 20-pin PSU on 24-pin motherboard socket temporarily?
Page 10
Answer
20-pin compatible with 24-pin socket.
25
Question
Unique power connectors for IDE optical, SATA HDD, PCIe graphics?
Page 10
Answer
3
26
Question
Three typical front panel functions connected to motherboard?
Page 10
Answer
PC power button, drive activity light, USB connectors
27
Question
BIOS features to monitor for suspected overheating? (Choose two)
Page 11
Answer
CPU clock speed, CPU fan speed
28
Question
Additional component for RAID with single HDD and adapter?
Page 11
Answer
one or more additional hard drives
29
Question
RAID for data striping + parity, low budget, low performance OK?
Page 11
Answer
RAID 5
30
Question
Technician finds very dusty PC inside. What to do?
Page 12
Answer
Use a can of compressed air to remove excess dust.