Test comptia
CompTIA Knowledge Quiz
Test your knowledge of computer systems, networking, and operating systems with our engaging CompTIA Knowledge Quiz! This quiz features 167 carefully crafted questions designed to challenge your understanding and prepare you for the CompTIA certification exams.
Key Features:
- Multiple choice and checkbox questions
- In-depth coverage of topics related to computers and technology
- Instant feedback on your answers
Which factor distinguishes IoT devices from standard computing devices such as laptops and smartphones?
They must run as virtual machines on a Type 1 hypervisor
They are specialized devices
They must run as virtual machines on a Type 2 hypervisor
They are kept isolated from the internet
How are information and data different?
Data is processed information
Information is processed data
Data does not need to be backed up
Information does not need to be backed up.
What type of computer, also called a notebook, has a monitor that folds down to cover the keyboard for transport?
Server
Laptop
GPS
Mainframe
What would be an appropriate use for a supercomputer?
Playing online video games
Running a high-volume web site
Tallying census results
Managing a large business accounting department
Which of these is a workstation operating system?
IOS
Windows Phone
Windows
Android
Which of these operating systems cannot run on a desktop PC with an intel processor?
Linux
IOS
Google Chrome OS
Windows
What kind of Os enables users to interact with it using a pointer and graphics
Command line
GUI
Decentralized
Centralized
A version of Linux packaged with add ons and utilities for a particular purpose is known as a
Distro
GUI
Version
Service pack
A Blackberry is a type of smartphone known for what distinctive feature that most other modern smartphones lack?
Graphical screen
Internet connectivity
Touchscreen
Hardware keyboard
What operating system is used on an iPad
MacOS
Windows
Android
IOS
What kind of network is used to connect individual computers in a single physical location?
WAN
LAN
Internet
Remote
Listening to music using an online service like Spotify is an example of what?
Cloud computing
Virtualization
Streaming media
Telepresence
You are running virtual machines on a single physical server. The server operating system does not run any other applications and is dedicated to virtualization. What type of hypervisor is this?
Type 1
Type 2
Type 3
Type 4
Which of these is not part of the data processing sequence?
Networking
Processing
Output
Input
What is another name for a CPU?
Microprocessor
Intel
System memory
Chipset
Which of these is not a feature of a CPU?
Multicore
64 bit processing
L1 cache
DDR
Why is passive cooling not usually used for a CPU?
Draws too much power
Not effective enough
Moving parts break down
Uses too much RAM
What is the main advantage of liquid cooling over air cooling?
Less expensive
Safer
More effective
Uses less power
In what type of computer is SODIMM memory used?
Laptop
Desktop
Server
Smartphone
In what two ways are DDR3 DIMMS better than DDR2 DIMMS? Choose Two.
Less expensive
More reliable
Uses less power
Faster
You are reconfiguring a cloud virtual machine with additional vCPUs and additional RAM. Which term best describes your actions?
Scaling down
Scaling in
Scaling up
Scaling out
What manages and controls the speed of a motherboard’s buses.
RAM
CPU
Chipset
L1 cache
What are the two fun
Steps down the voltage
Increases the voltage
Converts ac to dc
Converts dc to ac
What is the reason for different color wires on a power supply?
The wire color determines the appropriate component for the connector.
Each wire color represents a different voltage.
Certain color wires deliver ac power and certain ones dc power.
Certain color wires deliver higher-quality power than others
A video card on a modern motherboard would run best in which type of slot?
PCI
PCIe
VGA
DVI
Which port is used exclusively for external hard drives
FireWire
USB
ESATA
PS/2
Which of these external ports is not obsolete
FireWire
Legacy PArallel
Legacy serial
PS/2
What type of connector does a modem use?
PS/2
RJ-45
3.5mm
RJ-11
The USB connector that plugs into a full-sized printer is:
Type-A
Type-B
Mini-B
Micro-B
Which of these is not a flat-panel display
OLED
LCD
Plasma
CRT
Which of these ports are physically identical?
USB Type-A and USB Type-B
Thunderbolt and Mini Displayport
Displayport and Firewire
DVI and VGA
What is the purpose of a wheel on a mouse?
Scrolling the display
Greater precision of pointer movement
Right clicking alternative
Locating the pointer
A video camera that works only when connected to a computer is a:
Scanner
Digital Video Camera
Megapixel Camera
Webcam
A receipt printer on a cash register is likely to be what kind of printer?
Inkjet
Laser
LED
Thermal
Which storage unit of measurement refers to a quadrillion bits?
MB
GB
PB
TB
Which kind of device stores data patterns of magnetic polarity?
DVD
CD
USB flash drive
HDD
Which unit of measurement describes approximately 1 trillion bytes of storage
Terabyte
Gigabyte
Megabyte
Kilobyte
Which of these is not an optical disc?
DVD
SSD
BD-R
CD-RW
How can a single DVD hold more than 4.7 GB of data? (Choose all that apply)
Multiple actuator arms
Multiple sides
Multiple layers
High density recording
Which type of optical disc is rewritable multiple times?
DVD-ROM
BD
CD-RW
BD-R
What kind of drive reads CompactFlash Storage?
USB flash drive
Card reader
HDD
SSID
Which of these is not a benefit of SSD over HDD
Quieter
Uses less power
Faster
Less expensive
Which of these is an external storage connection?
EPATA
ESATA
PATA
SATA
Which of these is an ad hoc network?
PATA
NAS
RAID
Direct link with crossover cable
Which of these is a secure protocol for transferring files?
SFTP
FTP
HTTP
USB
Which of these is not one of the 5 functions of an operating system?
Monitors system health and functionality
Provides an environment for software to function
Coordinates the activities of hardware components
Sends and receives email messages
Which of these is an open source operating system?
Windows
Linux
IOS
MacOS
If you have a PC with a 32 bit CPU, which operating systems will run on it?
32 bit only
Both 32 bit and 64 bit
Neither 32 bit or 64 bit
64 bit only
Ctrl v is an example of?
Hotkeys
System keys
Function keys
Launch keys
Which key combination switches between open applications in Windows and Linux (Unity?)
F1
Alt f4
Alt tab
Windows print screen
Which of these is an accessibility option for people who have limited mobility?
Speech recognition
High contrast color scheme
Magnifier
Windows flashing or blinking when a sound is played?
What is the defining feature of a commercial OS?
Open source
Free
Not free
Public domain
The Dock on a Mac is equivalent to what feature of a windows 8.1 desktop?
Start button
Notification area
Launcher
Taskbar
What feature in windows 10 is equivalent to Finder in macOS?
File explorer
Control panel
Start screen
Start menu
A ___ is a pointer that refers to a file.
Launcher
Taskbar
Shortcut
GUI
Which OS configuration uses data labels to control resource access?
Services
Scheduled tasks
Mandatory access control
EULA
In which environment would a desktop computer be safest and operate the best?
Inside a small tightly sealed cabinet
In a clean room with a powerful air conditioner running
On the balcony at a tropical beachfront condo
On a TV tray in a living room
How far should a user’s face be from a monitor screen for most comfortable viewing
10 to 12 inches
12 to 16 inches
16 to 24 inches
24 to 32 inches
Which of these is the flow of static electricity?
EMI
ESD
AC
DC
What device can help correct power sags?
Power supply
Power strip
Surge suppressor
UPS
What kind of cable is most often used to connect a PC to a broadband modem or router?
VGA
DVI
Ethernet
RJ-11
What should you install before you download and install additional software on a new PC?
Security software
Nothing
Update to other applications
Drivers for hardware devices
What component protects against occasional electrical spikes
Surge suppressor
Motherboard
Hard disk drive
Printer
Where in windows can you access the configuration settings for hardware devices like mice and printers?
File explorer
EMI
Start menu
Control panel
Where in the control panel can you remove unwanted applications ?
Programs
Ergonomics
Setup
Start menu
Which of these is a type of windows user account?
Kid
Standard
Supervisor
Normal
What is the gesture where you touch the surface with two fingers spread apart and then drag them closer together?
Rotate
Tap
Pinch
Spread
Which of these terms is not associated with kinetics
Magnetometer
Gyroscope
Barometer
Accelerometer
How is screen orientation determined, if it is not locked?
The user sets it once, and it never changes
Orientation hardware button
Orientation Command
Physical orientation of the device
Which of these passcodes is more secure?
Six digit alphanumeric
Six digit number
Four digit number
All are equally secure
3G, 4G, and LTE are all kinds of what kind of wireless communication
Wifi
Bluetooth
Cellular
NFC
What kind of wireless connectivity is Bluetooth best suited for?
Sending and receiving phone calls
Connecting to a wireless headset
Connecting to the Internet
Connecting to a computer in a nearby building
Connecting a Bluetooth peripheral to a smartphone is known as:
Pairing
Wifi
4G
NFC
The name of a WiFI access point is its
POP
IMAP
NFC
SSID
Which of these is not a protocol for sending or receiving email?
IMAP
SMTP
POP3
NFC
Which app does an iPhone use to synchronize music and videos from a computer?
IMusic
ITunes
Google Play
DoubleTwist
Which of these is a correctly written file path?
C:>Books/Mike\birthdays.txt
C:/Books/Mike/birthdays.txt
C:\Books\Mike\birthdays.txt
C:\\Books\Mike\birthdays.txt
What is a root directory?
The top-level storage location on a volume
The folder containing the system files
The folder containing the boot files
The folder containing the signed-in user's personal files
What is the file management tool in macOS?
File Explorer
Dock
Launcher
Finder
Which of these is an on/off flag for a file
Size
Archive
Date modified
Date created
Which file property makes a search faster for content within files?
Archive
Indexed
Compressed
Encrypted
What action opens a data file for editing in the application associated with its extension?
Double click
Right click
Ctrl click
Shift click
How do you select multiple noncontiguous files in a file listing?
Ctrl click
Shift click
Double click
Right click
Ctrl v is a keyboard shortcut in windows for what activity?
Copy
Paste
Cut
Delete
In file explorer, from which tab can you select a different view
View
Share
Details
Home
Which utility in macOS backs up user files automatically?
Backup
File explorer
File history
Time machine
Where in Windows 8.1 can you browse installed applications?
Apps list
Dash pane
Dock
Windows store
Where can you see what applications are installed in ubuntu linux?
Apps list
Dash pane
Dock
Windows store
How do you install a Modern app in windows 8.1 or 10?
From the control panel
From a downloaded executable file
From the store app
From the start menu/screen
What is the purpose of an application patch?
Adding new features
Removing the application
Upgrading to a new version
Correcting a problem
What can you find out about an application by choosing Help | About?
Most recent data file used
Supported extensions
Application version number
Windows version
How can you remove a Windows desktop application?
From the control panel
From the store app
From the start menu/start screen
From the dock
Which of these is a graphic format?
PNG
PPTX
AVI
TAR
Which of these is a productivity application?
Microsoft excel
Candy crush
Windows firewall
Spotify
Which of these is a collaboration application?
Turbotax
Microsoft Word
Sharepoint
Symantec Endpoint Protection
Which of these is a compression format?
WAV
TXT
XLS
RAR
What differentiates a router from a switch?
Routers are for WANs and switches are for LANs
A router provides a path out of the LAN such as ot the internet
A switch provides a path out of the LAN, such as to the internet.
Routers are for client/server networks, and switches are for peer to peer networks.
When shopping for a SOHO router, look for the latest available standard, which is:
802.11b
802.11ac (802.11ax in 2022)
802.11n
802.11g
What kind of ports are on the back of a SOHO router for making wired connections?
VGA
DVI
RJ-45
RJ-11
How do you access a router configuration utility?
Buttons on the top of the router
Buttons on the back of the router
IP address in a web browser
Domain name in a web browser
What is the router’s SSID?
Network Name
IP Address
Serial number
Model number
Which wireless encryption standard is the most secure?
WEP
WPA
WPA2
WPS
In which way is a cellular internet connection superior to wired and wireless?
Bandwidth
Mobility
Number of concurrent connections
Security
What is an advantage of using a HomeGroup?
Higher security level
Easier folder and printer sharing
Makes router use less power
Faster file transfer
Where in the Control Panel would you go to connect a network printer on a client PC?
Devices and printers
System and security
Network and internet
Ease of access
What is a person doing when searching trash for useful information?
Dumpster diving
Garbage mining
Cracking
Trash talking
Edward loiters at the local cafe, taking notes on what people type on their computers, especially at the loin screens. What kind of theft does he practice?
Cracking
Dumpster diving
Infiltration
Shoulder surfing
Disabling the Bluetooth adapter on laptop when it is not in use is an example of
Dumpster diving
Cracking
Device hardening
Hardware theft prevention
Which of the following can prevent people from snooping on a device that you leave unattended for several minutes?
Configure a lock-out time
Shoulder surfing
Using a strong password
Disabling wifi
Which type of Windows account would be appropriate for a visitor to your home?
Standard
Guest
Administrator
Limited
Which type of Windows account does Microsoft recommend for daily use?
Standard
Guest
Administrator
Limited
What is password confidentiality?
Selecting a password that uses a detail from your life you are confident no one else knows
A binding legal agreement that support people won’t share or disclose your password, so that is safe to tell it to them
Keeping your password secret by not using default passwords, not writing it down, not using it in many places and not sending it through insecure communications
None of the above
Which of these is the stronger password?
1234567890
MikeMeyers
Explication
M!keM3y3rz
Which of these is not a factor in password management?
Confidentiality
Expiration
Guest
Complexity
What windows feature prevents unauthorized system changes?
UAC
DVI
NFC
WPS
Which of these types of programs is bothersome but not necessarily dangerous?
Worm
Adware
Virus
Trojan
Which of the following are alternative methods of closing a pop up window? (choose two)
Clicking inside the pop up
Pressing alt f4
Right clicking the program’s taskbar icon and selection close
Running your antivirus software
What is spam?
Unwanted e-mail messages
A type of virus
An antivirus program
A type of firewall
Besides using anti-malware software, what two things can you do to protect your Windows machine from intruders? (Choose two.)
Install all available windows updates
Use only internet explorer
Back up your data
Use a firewall
After you have recognized that there is a virus on your PC, what is the next step to removing the virus?
To educate
To search and destroy
To quarantine
To remediate
How can you defend against malware delivered by e-mail?
Delete old messages regularly
Don’t open attachments from unknown senders
Only use the preview window
Only use Mozilla Thunderbird
Which type of file tracks your activities on the Internet?
Spam
Java
Pop up
Cookie
Which of the following might you want to disable to protect your privacy?
Autofill forms
Hyperlinks
Certificates
InPrivate browsing
Which type of malware tries to get you to pay a fee to decrypt your files?
Trojan
Worm
Spyware
Ransomware
What indicates that you've browsed to a secure Web page? (select two.)
The web address starts with http://
The web address starts with https://
A small lock appears in the browser
A small key appears in the browser
In sleep mode, the ___ remains powered; but everything else shuts off.
Hard drive
Monitor
Memory
Cpu
How long can a laptop remain in Hibernate mode without running out of battery power?
36 hours.
12 hours
It depends on the battery condition and capacity
Indefinitely
How should you clean removable media, such as a DVD?
Use a soft cloth and wipe with a circular movement
Use a soft cloth and wipe inside to outside with a straight movement
Use a soft scrub brush and wipe left to right
Put the disc in the dishwashing machine
Rich has inherited a computer that used to live in his uncle’s machine shop. What should he use to clean up parts such as the case, keyboard, and mouse?
A dry soft cloth
A soft cloth with distilled water
A soft cloth with mild soap and water
A soft cloth with a commercial cleaning solution
What standard offers computer part makers guidelines for making environmentally friendly parts?
FTC
RIAA
RoHS
VHS
What can you use to prevent ESD from damaging components when cleaning inside a computer?
Antistatic wrist strap
Antistatic bag
Anti Static wipe
ESD presents no danger to components, so nothing special is needed
What should you use to remove dust and animal hair from inside a computercase?
Blow dryer
Compressed air
Household vacuum cleaner
Mild soap and water
What problem can missing slot covers on the case cause?
Electromagnetic interference from other electronics nearby
Electrostatic discharge from dust and animal hair
Disruption of airflow inside the computer leading to overheating
Disruption of airflow outside the computer leading to overheating
What computer component contains a lot of lead and must be recycled?
CRT
Toner cartridge
Ink cartridge
Hard disk drive
In California how should small alkaline batteries be disposed of?
Regular trash
Recycling center
Incinerated
Any of the above
Which type of contingency plan is specific to an IT system or service?
Business continuity
Incident response
Disaster recovery
Data restoration
Which of these could not be the cause of a computer appearing completely dead?
Hibernate mode
Bad power cable
Disconnected power cable
Bad keyboard
Which of these is the most hazardous to a desktop computer or mobile device?
Dropping it
Leaving it in a hot car in the summer
Getting it wet
Leaving it in an unheated building in winter
What windows utility returns the computer’s system files to previously saved versions?
Control panel
Compatibility mode
File explorer
System Restore
Which of these might correct a problem with an application not running correctly?
Delete your data files
Clean the display screen
Uninstall and reinstall the application
Create a shortcut to the application on the desktop
Suppose you have a wireless mouse that doesn’t work at all. Which of these is not likely to be the cause?
Mouse is dirty
Power switch on mouse is turned off
Transceiver is not connected to the computer
Batteries are dead
You have a printer that connects to your computer via USB cable. The printer can print a test page successfully from its own controls, but the computer doesn’t see it. Which of these should you try?
Use a different printer cable
Replace the ink cartridges
Turn the printer off and then back on again
Use a different kind of paper in the printer
Which is the most authoritative source of information about a device?
Friend and relatives
Internet search
Community user group
Manufacturer’s website
What is an FAQ?
The main apge of a manufacturer’s support website
A website page containing frequently asked questions and their answers
An index of all help topics on a website
A utility that identifies your product’s model number
If you need to cancel an online subscription, what department of the company do you need to contact?
Customer service
Technical support
Service
Sales
Which of these would likely be found on a manufacturer’s support website?
Downloadable product manuals
New versions of the device’s drivers
Troubleshooting information
All of the above
What is another term used to refer to a field?
Row
Collection
Column
Foreign key
Your database has grown over time, and you need to improve query performance. What should you do? (Choose two.)
Perform a database dump
Remove infrequently accessed data
Create an index for queried data
Create a foreign key
You have increased the amount of RAM available for your cloud-based datbase instance. Which term describes this action?
Scaling in
Scaling down
Scaling out
Scaling up
You have increased the number of compute nodes for your cloud-based database instance. Which term describes this action?
Scaling in
Scaling down
Scaling out
Scaling up
You have configured a database in the headquarters office located in Houston, Texas. Your company has offices in major cities across Canada and the United States. Users in Eastern Canada complain about slow query access to the database, while Texas users enjoy fast performance. What should you do?
Place a read replica in Eastern Canada
Create an index
Place a writable replica in Eastern Canada
Create a foreign key
Which unit of measurement relates to disk throughput?
MHz
GHz
IOPs
Uptime
Which type of database does not use a rigid schema?
Relational
On-premises
Cloud
NoSQL
Which type of database uses a rigid schema?
Relational
On-premises
Cloud
NoSQL
What statement regarding NoSQL databases are correct? (Choose TWO.)
Each row must store the same amount of data
They are less scalable than relational databases
Each row can store different types of data
They are more scalable than relational databases
Which of the following is a noSQL database?
Microsoft SQL server
MongoDB
Oracle Database
MySQL
Which of the following programming languages require a compiler?
Assembly
Linux bash
Microsoft powershell
C
Which SDLC phase involves the use of flowcharts?
Deployment
Maintenance
Coding
Design
You are creating a function that must return either true or false. Which data type should the function return?
Boolean
Integer
Character
String
Which term describes running an action against an object variable?
Property
Method
Debugging
Boolean
You are working with file system objects in your code. You need to determine the modification timestamp for a file. What should you reference?
Property
Method
Constant
Variable
You are using the C programming language to create a software solution. A single variable must be tested for multiple possible values. Which programming construct should you use to achieve this?
If
Select case
While
Switch
Your code needs to execute the same code for each month of the year, so 12 times. Which type of loop is best suited for this?
Switch
If
For
Assembly
Which of the SDLC phases is the shortest in duration
Coding
Design
Deployment
Requirement analysis and planning
Which SDLC phase is the longest in duration?
Coding
Design
Deployment
Requirement analysis and planning
Which type of coding practice uses smaller code modules working together to support an application?
Monolithic
Interpreted
Microservices
Compiled
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