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WorksheetsPC Final Review Sem 1
Total questions: 102
Worksheet time: 51mins
A clicking noise coming from a system could indicate that a hard drive is failing.
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A Molex connector supplies +3.3V, +5V, and -12V voltages.
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A missing standoff could create what potential problem?
a short on the motherboard
the computer boots, but can't connect to the network
data is deleted from the hard drive
you see lines on the video monitor
What should you do if the system continually reboots and you can't read the error message produced on a blue screen?
press F8 as Windows starts up
press Pause so you can see the screen output
press Ctrl+Print Screen to print the screen output
press Esc as soon as you see the blue screen
If you see an error message that reads "Processor thermal trip error", what is the likely problem?
the power supply is inadequate
the processor has overheated
the processor has failed
a memory module might be bad
What is an auto-switching AC adapter?
an adapter that can switch between line power and battery power
an adapter that switches between two PCs
an adapter that can use 110V or 220V AC power
an adapter that can switch between AC or DC
You decide to add three new hard drives to your computer so that you can increase the amount of storage on it. When you install the hard drives, you find enough SATA connections on the motherboard, but it is short one SATA power connector. What is the easiest way to add a SATA power connector to the system?
Purchase a new power supply.
Use a Molex to SATA power adapter.
Use the Molex connector.
You will not be able to add the SATA hard drive.
Sara works in the IT department for a large retail store. She has been testing a theory about why an error message keeps popping up on a coworker’s computer when he tries to start Windows. She has hit a wall and doesn’t know where to look next. Sara feels very frustrated with the problem. What should Sara do to help work out the solution?
Write down everything.
Take a break and come back later.
Don’t assume the worst.
Divide and conquer.
While you are working on your computer, it shuts down unexpectedly, and you detect a burning smell. When you remove the case cover, you notice a distended capacitor. What can you do to fix this problem?
Replace the motherboard.
Replace the CMOS battery.
Replace the power supply.
Reseat the RAM.
If you suspect your system is overheating, how can you determine the CPU temperature?
in Windows, go to System Information
the CPU has a temperature display screen
press a room thermometer on the top of the CPU
go into UEFI/BIOS setup and find the temperature monitors for the system
Which of the following protects your computer from brownouts or sags?
degaussing
GPU
surge protector
UPS
Your computer system loses power while you are working on a project for a very important client. When the computer restarts, you hear continuous beeps coming from your computer, and the monitor is showing no signal. What do the beeps mean?
POST has passed, and your computer is working properly; you should check the video cable.
Processor has failed and needs to be replaced.
POST has failed, and you should research the BIOS beep codes.
RAM should be reseated in the DIMM slots on the motherboard.
Motherboard needs to be replaced.
Kiera is building a new computer and wants to make sure she has an adequate power supply for all the new equipment she is purchasing. She will be installing three HDDs, with each using 25 watts. The processor she is using will need 125 watts. The motherboard will use 80 watts. RAM will require 3 watts for each of the four DDR3 DIMM modules. Her video card will need 400 watts to run at the maximum level. She wants to keep the cost as low as possible for the power supply. Which power supply would you recommend?
600W power supply
700W power supply
800W power supply
900W power supply
What component of a motherboard is not considered to be a field replaceable unit?
processor
RAM
CMOS battery
chipset
When testing your theory, you discover that you are wrong. What is your next step in the troubleshooting process?
Ask your client more questions.
Establish a plan of action to resolve the problem.
Document your findings.
Establish a new theory of probable cause.
What is the voltage that a P1 connector on a power supply provides?
+3.3V
-5V
-12V
+12V
What is an indication that an inadequate power supply is the source of an intermittent problem?
the power supply whines when you first turn on the system
you don't see any indicator lights or fans spinning
BIOS loses its date and time settings
the system tries to boot from the wrong device
What does a single beep or no beep imply during the startup of a computer?
a video problem
a memory error
all POST tests passed
a keyboard controller problem
When Amy turns on her computer, she notices a burning smell. Smoke comes out of the case, and Amy immediately turns off her computer. What might be causing Amy’s computer to emit smoke and a burning smell?
Power problem
RAM error
Motherboard error
Processor error
When you turn on your computer for the day, you notice lights and fans but no beeps and no video. The Num Lock light does not come on. What might be the problem with your computer? (Select three.)
Motherboard has failed.
Video is not working properly.
Processor has failed or is not seated properly.
RAM is not working properly.
Power supply is not working properly.
Which of the following is NOT a solution to an overheating problem?
verify that cables are not obstructing airflow
remove the covers from empty expansion slots
be sure the case is not sitting on a carpet
remove dust from the power supply, vents, and cooler fans
A component made of metal that is designed to draw heat away from a processor into the fins
sheet battery
CAG
heat sink
The video on your laptop needs to be updated. You have researched online, and according to the manufacturer, you can install a new video card in your laptop. What is the most likely slot connection you will use to install a new video card in your laptop?
CardBus slot
ExpressCard slot
Mini PCIe
USB
DDR memory is faster than GDDR memory since it is used by the CPU.
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A KVM switch allows you to use one monitor, mouse, and keyboard for multiple computers.
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If a user on a laptop complains that they are unable to sign into Windows even though they are certain they are entering the correct password, what should you have them do?
perform a reboot
bring the laptop to an authorized repair shop
check the NumLock indicator on the laptop
Replace the laptop keyboard
Patrick wants you to repair his laptop LCD screen. Patrick insists that it was not his fault, but sometime during the night, the laptop fell off his desk, and now the screen is broken. During disassembly of his laptop, you see a mini-PCIe card with a black cable and a white cable connected that appear to go into the screen bezel. What is the function of the two wires?
Video cable
Sound cord for the sound port
Webcam connector
Wi-Fi antenna
David has a laptop that is having a problem with the video system. You believe the problem might be the backlight. During your research, you discover that the laptop does not have a backlight. What type of screen is on David’s new laptop?
LED
CRT
Plasma
OLED
Bayley wants to connect a new external hard drive to his Windows PC. He wants the fastest connection type available because he plans to edit video directly to and from the external hard drive. Which connection type should Bayley use to get the fastest connection possible?
USB 3.0
Thunderbolt 3
eSATA v2
Lightning connection
Eric has asked you to help him build a new gaming computer so that he can play the newest games available. He also wants the computer to be VR-compatible. He has already purchased a high definition sound card, a new multi-core processor, an SSD hard drive, and 16GB of RAM. What is missing from Eric’s game design build?
Video card
Joystick port
New monitor
Wireless network card
What type of backlighting receives DC power directly from a motherboard and doesn't use an inverter?
CCFL
Plasma
LED
OLED
Terry is having a problem with his computer screen. He said the screen looks distorted. When you go to check his monitor, you notice that the icons on the desktop appear to be tall and skinny. What is the common cause of this problem?
Font size has been set too high.
Refresh rate of the video card is out of sync with the monitor’s refresh rate.
Computer’s resolution has been set too low.
ClearType setting is enabled.
Which type of video port provides a digital-only signal?
DVI-D
DVI-I
DVI-A
VGA
Which statement regarding the Firewire standard is accurate?
data is transferred on a parallel bus
1394b allows up to 16 daisy-chained devices
FireWire 800 uses a 4-pin connector
FireWire devices are hot-swappable
Involving both software and hardware, what technology is meant to protect digital content and prevent piracy?
HDMI
DRM
PPM
DVI
Terry is having a problem with his computer screen. He said the screen looks distorted. When you go to check his monitor, you notice that the icons on the desktop appear to be tall and skinny. What is the common cause of this problem?
Computer’s resolution has been set too low.
Font size has been set too high.
Refresh rate of the video card is out of sync with the monitor’s refresh rate.
ClearType setting is enabled.
Today when Dylan turned on his computer, he noticed that the monitor was very dim. He could still see the desktop icon and text. He turned the brightness all the way up, but that did not correct the issue. Dylan also checked to make sure the Power Options brightness was not turned down, causing the screen to go dim. He connected a different monitor, and the screen was fine. What caused the screen to be very dim?
Monitor’s power connector.
Monitor backlighting.
Input connector on the monitor is faulty.
Monitor has Power Save mode enabled.
Sarah needs to connect to an interface port on an enterprise switch. Her laptop does not have the correct port. When she mentions this to her boss, he tells her that they have several older laptops in a closet and one of them should have a RS-232 connector for the enterprise switch. What does the connector that Sarah needs look like?
A 15 pin three row D-shaped connector
A 9 pin two row D-shaped male connector
A rectangle with a blue connection in the middle
A 6 pin round connector that is purple
an outdated wireless technology used to connect personal devices, has been replaced by Bluetooth
HDMI connector
refresh rate
infrared (IR)
contrast ratio
used to display information about hardware and diagnose problems
OLED
dxdiag.exe
infrared (IR)
refresh rate
uses a thin LED layer or film between two grids of electrodes
OLED
infrared (IR)
refresh rate
contrast ratio
Nick is working on a new graphic for one of his company’s clients and is having an issue with the color on his screen. The client wants the graphic to include a very bright red color, but Nick can’t seem to find the right color on his screen. He seems to have the color perfect on the screen, but when he tries to print the graphic, the color seems to fade. He has checked the printer, and it works fine. What will help Nick see on the screen the color that he is printing?
Adjust the refresh rate.
Adjust the resolution.
Update the video card drivers.
Calibrate the display color.
A setting called airplane mode lowers the output power of the Wi-Fi and Bluetooth antennas allowing these networks to function, but at a reduced range.
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The iOS operating system utilizes a closed-source, or vendor specific / commercial license.
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What component on a smart phone requires pairing with another device?
GPS
WiFi
Bluetooth
SIM card
A SIM card is used for which of the following?
holding data related to your cellular carrier
holding your iTunes music information
controlling the sensitivity of your touch screen
backing up your data and applications
Spencer would like to purchase a wearable device that allows him to make phone calls and send text messages.
Which type of wearable device should Spencer purchase?
Fitness monitor
E-reader
Smart watch
AR headset
What does jailbreaking do?
Allows you to download games for free from Google Play
Allows you download music for free from iTunes
give you administrative privileges to Android
give you root privileges to iOS
Benjamin recently issued new mobile phones to the marketing team at his company. Each phone can transmit encrypted information for payments made at a retail checkout counter. The technology also allows the marketing team to share data quickly. What technology is set up on the marketing team’s phones?
NFC
Bluetooth
Tethering
Hotspot
Angela recently purchased a new Android smartphone. While purchasing the phone, Angela was told that she would need to set up a new email account for the phone.
Which commercial email provider should Angela use for her new Android phone?
Yahoo! Mail
Microsoft Exchange Online
Gmail
iCloud
Henry must choose which type of smart speaker to use in his home. He asked you to help him decide which one will best suit his needs. He wants it to be connected to his Google account. Which smart speaker would you recommend?
Echo
Home
Cortana
HomePod
Your company wants to use an IoT device but wants to make sure it does not interfere with other RF devices that use the 2.4 GHz RF band. The company also wants the device to be at least 50 meters away from the base station. What type of device should the company purchase?
Zigbee
Bluetooth
Z-Wave
NFC
Jordan likes to use his smartphone in his car. He uses it as a navigation device and connects it via Bluetooth to listen to music. He has purchased accessories that allow him to see his smartphone while he is driving. On a very cold day, and after driving for several minutes, Jordan receives a warning from his smartphone that it is overheating and needs to shut down. When he touches his smartphone, it is hot. What might cause Jordan’s smartphone to overheat?
Bluetooth receiver is causing the smartphone to overheat.
The smartphone is located too close to the car’s heat vent.
The GPS receiver is causing the smartphone to overheat.
The screen has been active too long.
Applications on the Android OS are mostly written in what programming language?
PHP
Objective-C
Java
Python
What identifies a SIM card if the card is used?
ICCID
IMEI
IMSI
ICCEI
A manager in your company wants to standardize all mobile device applications across different operating systems. Some users have Android mobile devices, some users have iOS devices, and some users have Windows Mobile devices. How can you best answer the manager in regard to his request?
The manager must settle on using a single mobile operating system.
No apps will run on all operating systems.
All mobile apps will run on all mobile operating systems.
Some apps will work on different OS platforms, but many will not.
A smartphone user entered an incorrect passcode on his phone several times in a row, which locked the device. Which of the following steps should the user take first?
Turn off multifactor authentication.
Wait a few minutes for the phone to automatically unlock.
Disable full device encryption.
Perform a reset on the device.
A mobile device you are troubleshooting is experiencing a sharp decrease in performance after an hour of operation. The user powers the device off each evening, and when it is powered on, performance returns to normal. After an hour of operation, performance degrades. Which of the following is the best action to take to resolve this issue?
Reset the device to factory defaults.
Adjust the brightness control.
Update the mobile device firmware.
Close or disable all unused running apps.
The back cover of a mobile device is warmer than usual, and the battery seems to lose its charge much quicker than normal. The user has scanned for malware, closed unused apps, and decreased the brightness level of the screen, but the symptoms persist. Which of the following is the most likely cause for this behavior?
The battery is going bad.
The firmware is out of date.
The AC power outlet is faulty.
The charger is defective.
What unique number is used to identify each mobile phone or tablet device worldwide?
IMSI
IMEI
ICCID
MAC address
Your mobile device has gone over its subscribed data limit the past two months. During this time, you have noticed that the device runs hotter than normal and data speeds seem slower than usual. Which of the following should you consider as a cause for these issues?
The device is running low on available storage space.
The battery is failing and will need to be replaced.
The device is infected with malware.
The device needs an operating system update.
Which of the following is best practice to minimize the chance of infecting your mobile device with malware?
Install apps only from untrusted sources
Install apps only from trusted sources.
Keep the device fully charged.
Perform regular backups.
Your company wants to purchase a device that will allow it to give customers a 3D tour of its facility. What kind of device would you recommend for this type of 3D tour?
Mobile VR headset
Tethered VR headset
AR headset
No current technology will allow a 3D tour.
Jackson is setting up an IoT thermostat in his home. He has set up the IoT controller on his phone to control the device.
What else does Jackson need in order for the thermostat to be considered an IoT? (Select two)
IoT controller
IP address
App to control it over the Internet
IoT bridge
Frank is traveling for work and has discovered that he forgot an important file. The good news is the file is in cloud storage. Unfortunately, Frank’s laptop cannot connect to the airport’s Wi-Fi. How can Frank download this important file? (Select all that apply.) Select Two
Create a hotspot
Tether his Laptop to his smartphone
Use airplane mode
Use a VPN to connect to cloud storage
VMs running under a Type 1 hypervisor are isolated from each other.
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Laser printers automatically calibrate themselves periodically.
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If loose toner comes out with your printout, the fuser is not reaching the proper temperature and professional service is required.
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A company needs a way to convert 10 years of shipping records currently on paper into files that can be saved to its private cloud storage. Which of the following will be the best choice to accomplish this goal with the least amount of employee effort?
Use a dedicated, network-attached laser printer with a Gigabit Ethernet connection.
Use a dedicated flatbed scanner that is connected to a workstation via USB 3.0
Use the flatbed scanner on a multifunction device connected to a workstation’s USB port.
Use a dedicated ADF scanner connected to either a workstation or the LAN.
During the charging process of a laser printer, the drum is conditioned by a roller that places an electrical charge of what voltage onto the surface of the drum?
-600V
-100V
+300V
+1200V
What part of a printer pushes forward a sheet of paper from the paper tray?
transfer belt
separation pad
pickup roller
transfer roller
A new printer has been added in your office and connected to a WAP for use by all users in the company. Which of the following best describes the method of connectivity for the new printer?
Wireless ad hoc mode
Wireless infrastructure mode
Wireless Bluetooth
Wired Ethernet
Which of the following is a centrally hosted and managed desktop environment with the capability of spanning multiple offices across various countries in which each user’s desktop instance is dynamically provisioned?
IaaS
VDI
SaaS
VPN
What term describes a dedicated device or computer that can control several printers connected to a network?
queue
server
manager
client
A printer that is able to print on both sides of the paper is known as what type of printer?
duplex
simplex
duo
complex
What is a hypervisor?
a program that manages VMs
another name for a thin client
technology that enhances processor support for VMs
a fat client running an HAV
Which of the following technologies can provide an application to remote users without the need to install the application on the users’ systems?
Virtual network interface
Application virtualization
Infrastructure mode
Synchronization app
Which of the following terms describes the software layer that is responsible for creating and running a VM on a host?
Intel VT
Virtual machine
Hypervisor
Virtual hard disks
Which of the following creates an environment that behaves in a hardware-like manner to run software meant for other hardware?
Emulator
Virtual desktop
Zero client
Virtualization
A laser printer is displaying a message indicating a maintenance kit is due for replacement. Now that you have replaced it, what should be the next thing you do?
Replace the print head.
Replace the print ribbon.
Reset the page counter.
Clean the heating element
What type of printer is slower than a laser printer, and also tends to smudge on inexpensive paper?
Laser
Dye-sublimation
Thermal
Inkjet
How much drive space should be available for each virtual machine on a system?
5 GB
10 GB
20 GB
5o GB
What is the main advantage of using a thick client?
reduced cost of the machine
can be used for purposes other than server-side virtualization
does not require an operating system
a tablet can serve as a thick client
Which of the following can provide a user with a cloud-based application that is integrated with a cloud-based virtual storage service and can be accessed through a web browser?
Community
SaaS
IaaS
Hybrid
A technician has connected a USB printer to a workstation and shared the printer on the local workstation for other users on the network to utilize. The technician successfully printed a test print from the printer’s console and the workstation that the printer is physically connected to. After leaving the customer’s site, the technician received a call from the customer stating no one other than the local user can print to the printer. Each time they attempt to print, they receive an “Access Denied” message. Which of the following is the most likely reason the other users cannot print?
The other users lack sufficient permissions for the shared printer.
The printer is malfunctioning and requires service.
The USB cable is defective and needs to be replaced.
The other users need to have the print drivers updated for the printer
What statement regarding Type 1 hypervisors is accurate?
They are typically used on desktops and laptops
The VirtualBox software is an example
They are called bare-metal hypervisors
They install as an application
What type of virtualization should you deploy to provide a Virtual Desktop Infrastructure?
server-side
client-side
fat-client
type-2
A help desk technician needs to run virtual machines on her laptop computer for several upcoming training sessions. Which of the following must be completed before she can use virtualization on her laptop?
Upgrade the Windows operating system.
Add additional RAM to the laptop computer.
Download and flash the laptop computer’s UEFI
Enable virtualization support in the laptop’s UEFI.
You are tasked with configuring a wireless SOHO router for a customer. Which of the following settings will be the most secure with the least effort and cost to the customer?
WPA2-PSK, AES
WPA2-PSK, TKIP
WPA-PSK, TKIP
WPA2-Enterprise
A remote worker wants to connect his computer to his corporation’s private trusted network over the Internet. Which of the following will need to be configured?
Address reservation
VPN tunnel
DHCP server
Firewall
A group of wireless devices are using each other as relays to share a network connection across a large area. Which of the following network categories is being used?
WMN
WLAN
MAN
PAN
A corporate user is attempting to connect to the company’s Windows domain server on the local network with her new laptop through a wired connection. Which of the following is required for the user to successfully sign in to the Windows domain?
A valid connection to a DHCP server on the LAN
User name and password supplied by the ISP
SSID, authentication and encryption settings
Windows domain user name and password
A client contacted you to request your help in researching and supplying the hardware necessary to implement a SOHO solution at his new home-based business. Which of the following SOHO router features will simplify IP address configuration on the private network for both wired and wireless clients?
Multi-port switch
DHCP server
Firewall
Wireless access point
FTP server
A small group of travelers is meeting inside an ancient building, and the travelers need access to the Internet using their mobile devices. However, the group is in an area where Wi-Fi Internet is not available and cellular coverage is intermittent. One of the travelers has an unlimited cellular data plan and a strong consistent signal. Which of the following methods would most likely be implemented to provide Internet service to the group?
Cell phone tethering
Satellite Internet
Mobile hotspot
Cell phone tethering
Jacob wants to set up extra security on his wireless network; he currently uses WPA2. He wants to allow only his devices to connect to the network and reject devices that he does not own. What extra wireless security should Jacob employ in on his wireless router?
Port forwarding
WPS
MAC filtering
Disable SSID broadcasting
What command will display a list of active and inactive network interfaces on Unix, Linux, and Mac OS X?
ipconfig -a
ifconfig -a
netsh show interfaces
ip list network
What command manages user accounts on the local system in Windows?
net user
net localuser
useradd
netsh user
What is the unit of information called when a network adapter adds the source and destination MAC address to the segment of data before it is transmitted on the network?
frame
packet
bit
segment
What network type covers a large campus or city?
PAN
WLAN
MAN
WAN
The solution for securing private data traveling over a public network, such as the Internet, is the use of what type of network?
public encrypted network
virtual private network
private encrypted network
virtual prevention network
What protocol makes a connection, checks whether the data is received, and resends it if it is not?
TCP
UDP
IP
DNS
What command can be used to display IP addresses assigned to all network connections on a system?
msconfig
netstat
ipconfig
netcfg32
