WorksheetsA.2.8 Practice Test: CompTIA Tech+ FC0-U71 Overview
Total questions: 69
Worksheet time: 35mins
According to the practice test explanation shown, which action is recommended when performing a test restore of your backups to avoid accidentally overwriting existing data?
Overwrite the current data
Save the data to a different folder
Restore only a few files
Skip the test restore if you are short on time
What is ciphertext?
Text that has been deleted
Text that is written in code
Text that has been printed
Text that has been encrypted
According to the explanation, why is ciphertext unreadable without the proper key?
Because it is printed text
Because it is removed text
Because it has been encrypted using an algorithm and key
Because it is written in code
What is a key-value database?
A type of relational database
A type of spreadsheet
A type of file system
A type of non-relational database
Which of the following is a string?
451
99.999
True
"Hello World"
Where can you place your modem when using wireless Internet?
Only next to the telephone line
Anywhere in the house
Only in the basement
Only where there is a wall plate
What significant advantage of Apple's CPUs is mentioned?
They are cheaper than other CPUs
They have built-in memory
They are made by Intel
They use more power
Which Windows option lets you specify the application to open based on the file extension?
Task Manager
Control Panel
Choose defaults by file type
System Restore
According to the explanation provided, which statement best describes wireless Internet compared to wired connections regarding placement requirements?
Wireless Internet requires a telephone line and a wall plate
Wireless Internet does not require a telephone line and can be placed anywhere with power
Wireless Internet must be placed in the basement to get signal
Wireless Internet requires a cable connection to a wall plate
According to the guidance for IT career growth, what should you primarily consider as you progress in your IT career?
The salary only
What you've experienced and what you prefer
The location of the job
The company's reputation
When documenting troubleshooting, what should be included to provide a complete picture?
Only the final solution
Every step you took, including unsuccessful attempts
Only the steps that worked
Only the steps that didn't work
Which statement best explains why including only the final solution in troubleshooting documentation is insufficient?
It makes the document too long to read
It omits important context about what was tried and didn't work
It violates company policy
It reveals confidential information by default
In deciding on job location during IT career growth, what does the material suggest about its importance?
It should be the main factor in choosing a role
It is irrelevant because all jobs are fully remote
It should not be the main factor, especially with hybrid and remote options
It is more important than your preferences
What is a drawback of cloud storage?
It is very expensive.
It uses a lot of electricity.
It never requires an Internet connection.
It is only available for businesses.
According to the explanation, why is electricity use considered a drawback of cloud storage?
Because personal devices consume more power than servers
Because data centers require significant electricity to run servers and equipment
Because cloud storage forces users to pay higher utility bills at home
Because cloud storage is only available for businesses
Which statement about cloud storage is accurate based on the content?
Cloud storage is necessarily very expensive for all users.
Cloud storage requires an Internet connection to access and manage data.
Cloud storage is only for businesses, not individuals.
Cloud storage never has any cost.
A student claims that a benefit of cloud storage is that it does not need the Internet. Using the provided information, what should you say?
Agree, because cloud storage never requires Internet access.
Agree, because only businesses need Internet for cloud storage.
Disagree, because cloud storage requires an Internet connection to access and manage stored data.
Disagree, because cloud storage is too expensive for all users.
According to the explanation, what is an escape character used for in a string?
To end a string
To include special characters in the output
To start a string
To delete a character
Which term describes the process of making a compiled program work on different platforms, involving rewriting and recompiling the code for each platform?
Compiling
Interpreting
Porting
Debugging
Based on the provided definitions, which option correctly matches each process with its description?
Compiling — executing code line by line
Interpreting — converting code into machine language
Debugging — finding and fixing errors in the code
Porting — converting code into machine language
From the explanation, which statement about escape characters is accurate?
Escape characters are used to start strings.
Escape characters delete characters from the output.
A backslash (\) can serve as an escape character.
Escape characters are used to recompile code for each platform.
According to the content, what is the main purpose of the NIST Cybersecurity Framework?
To create user accounts
To develop security policies and capabilities
To monitor social media
To design websites
Which type of data model includes primary keys and foreign keys?
Conceptual Data Model
Logical Data Model
Physical Data Model
Schema Model
If you are unsure about a website's trustworthiness before downloading software, what is a recommended action?
Ignore your instincts
Look for reviews about the site or product
Download the software anyway
Ask the website's customer service
Why is downloading software anyway a risky choice when a site's trustworthiness is uncertain, based on the explanation?
Because reviews are always positive
Because the site may not be trustworthy
Because customer service is always a threat actor
Because physical data models require downloads
What is a potential drawback of fixed wireless Internet?
Requires a satellite dish
High latency
Requires a clear line of sight to the tower
Low download speeds
According to the explanation, which statement accurately contrasts fixed wireless Internet with satellite Internet?
Fixed wireless Internet requires a satellite dish, while satellite Internet does not
Fixed wireless Internet generally has lower latency compared to satellite Internet
Satellite Internet typically offers download speeds between 15 Mbps and 30 Mbps, while fixed wireless does not
Both fixed wireless and satellite Internet require a clear line of sight to an orbiting satellite
What does it mean to set a default browser?
It means you can only use that browser
It means that browser will open automatically when you click on web links
It means a browser that comes pre-installed on your device
It means that browser will delete all other browsers
A user has multiple browsers installed and clicks a web link in an email. Based on the content, what will happen if a default browser is set and why is this convenient?
All installed browsers open to let the user choose, which is convenient for security
Only the pre-installed browser opens, which is convenient because it prevents other browsers from running
The chosen default browser opens automatically, which is convenient because you don't have to manually choose a browser each time
No browser opens until the user selects one, which is convenient for customization
Which method links a software application to its rightful owner for activation and usage rights?
Software Product Key
Device Driver
Open-source License
User Profile
Which component is described as short-term storage used for actively running programs and processes?
Solid-state drive (SSD)
Optical disc
RAM (Random Access Memory)
Magnetic tape
In a relational database, which relationship type is defined when a single record in Table A can be associated with multiple records in Table B?
One-to-one
Many-to-many
One-to-many
Self-referential
How do virtual servers simplify network administration according to the content?
By requiring dedicated hardware for each application
By consolidating resources and allowing multiple servers on one physical machine
By eliminating the need for operating systems
By storing data only on local hard drives
Which method tests that a backup can actually be used for recovery by checking the media for errors before relying on it?
Backup Media Error Check
Incremental Backup
Full System Restore
Differential Backup
Which of the following is NOT a programming language used to write executable programs?
Python
Java
C++
HTML Markup Language
A user moves files to a backup drive instead of copying them. What common backup mistake does this represent?
Not verifying backups
Overwriting the source files
Moving files instead of copying them
Using the wrong file system
Which statement best defines a Virtual Machine (VM)?
A physical computer dedicated to backups
A software-based emulation of a computer that runs an operating system like a real machine
A cloud storage account for virtual files
A file compression utility for large images
In Windows Task Manager, which action should you use to close a program that has become unresponsive?
Restart Service
End Task
Switch To
Create Dump File
A single binary bit can have how many possible values, and what are they?
Two values: 0 or 1
Three values: -1, 0, or 1
Four values: 00, 01, 10, 11
Unlimited values depending on encoding
What is the primary purpose of comments in a program’s source code?
To increase the program’s execution speed
To store configuration data used at runtime
To explain code for readability and maintenance
To compile the program without errors
Which built-in web browser feature improves text accessibility on a web page for users who need larger text?
Developer Tools
Incognito/Private Mode
Zoom
Cookie Settings
According to the content, what is a common way to link purchased software to its owner?
By using a username and password.
By using a product key or serial number.
By using a fingerprint scan.
By using a QR code.
Which device in a computer is categorized as short-term storage?
Hard disk
Compact disc
Flash drive
RAM
A company wants to ensure that only authorized users can legally use newly bought software. Based on the material, which method should they implement to establish ownership linkage?
Require employees to create unique usernames and passwords for the app
Scan employee fingerprints upon installation
Distribute and validate product keys or serial numbers
Attach a QR code to each workstation
Which of the following is NOT considered a long-term storage solution, based on the explanation provided?
Hard disks
Compact discs
Flash storage
Random-Access Memory (RAM)
Which database relationship type involves one record with a primary key being associated with multiple records in other tables that have foreign keys?
One-to-one relationship
One-to-many relationship
Many-to-one relationship
Many-to-many relationship
According to the explanation, why do virtual servers make the network administrator's job easier?
They simplify the configuration to one operating system per computer.
They consolidate resources by running multiple virtual machines on a single physical server, making management simpler.
They increase costs but simplify administration.
They move applications to containers.
Which statement accurately contrasts one-to-one and many-to-many relationships as described?
A one-to-one relationship links one record in a table to multiple records in another table; a many-to-many links a single record to a single record.
A one-to-one relationship links one record in one table to only one record in another table; a many-to-many involves multiple records in one table associated with multiple records in another table.
Both one-to-one and many-to-many relationships typically link one primary key to one foreign key in a single table.
A many-to-many relationship is not used in relational databases, while one-to-one is not typical.
Which benefit of virtual servers is explicitly mentioned as typical in the explanation?
They reduce costs by minimizing the need for physical hardware and maintenance while simplifying administration.
They require one operating system per physical computer to standardize configurations.
They replace the need for dynamic resource allocation.
They are the same concept as containerization.
Which component is specialized for rendering images and accelerating graphics processing in a computer system?
Central Processing Unit (CPU)
Graphics Processing Unit (GPU)
Solid-State Drive (SSD)
Network Interface Card (NIC)
What does an array store in programming, according to the definition provided?
A collection of key–value pairs with unique keys
An ordered list of elements of the same data type at contiguous indexes
Executable instructions for the CPU
Unstructured text and binary blobs
What is the primary purpose of network protocols as described in the content?
To compress multimedia files for faster playback
To define rules and standards that enable devices to communicate over a network
To encrypt local hard drives to prevent unauthorized access
To allocate system memory among running processes
Which device is identified as commonly including a front-facing camera intended for selfies and video calls?
Desktop tower
Smartphone
Rack-mounted server
Network switch
Which statement best defines a virtual machine (VM) as presented in the material?
A physical computer that runs multiple operating systems.
A guest operating system installed on a host computer using virtualization software.
A software application that manages computer hardware.
A type of storage device.
In Task Manager, what is the immediate action you can take to stop a non-responding program from running?
Uninstall the program
End the task
Update the program
Restart the computer
How many potential values can a single bit store according to the content?
1
2
8
256
Which statement about byte and bit storage is consistent with the explanation provided?
A single bit can store 256 values.
Eight bits make up a byte, which can store 256 values.
A byte is smaller than a bit and stores 2 values.
A bit stores the same number of values as a byte.
Which wireless display technology allows you to cast your screen to a compatible TV or monitor without using cables?
Bluetooth tethering
Miracast
NFC pairing
Wi‑Fi calling
Which statement best describes a physical network address?
It is assigned by the ISP and changes daily.
It is a 48‑bit identifier burned into the network interface card, known as a MAC address.
It is a public IPv4 address used for routing on the internet.
It is a hostname that users type into a browser.
What is the primary function of antivirus software on a computer system?
Encrypt all user files by default
Detect, quarantine, and remove malicious software
Increase CPU clock speed for better performance
Provide a firewall for inbound traffic only
In a filename like report.final.draft.docx, what does the period character (.) signify?
It separates folders in a path.
It indicates the start of a file’s extension, identifying the file type.
It marks where the filename should be truncated for display.
It denotes a hidden file in all operating systems.
According to the content, why might companies prefer remote work?
It increases the need for office space
It saves money on office space and personnel
It makes face-to-face communication easier
It reduces the need for technology
What is a network interface card (NIC)?
A type of network cable
A device that connects a computer to a network
A software program
A type of wireless signal
Which statement best describes a variable in a computer program, based on the material shown?
A fixed value that never changes
A container that holds data for use later
A type of function that performs calculations
A special type of loop in programming
Using the information provided about remote work, which trade-off should an IT manager plan for when shifting a team to remote work to save on office space and personnel costs?
Less need for communication tools
Easier face-to-face collaboration
More technology may be required
Elimination of travel costs is impossible
During a power outage, what is the correct action to take when using a UPS (Uninterruptible Power Supply) to protect a workstation and its data?
Keep working until the battery is fully drained
Immediately power off the UPS switch to save the battery
Save your work and initiate a proper operating system shutdown
Unplug the computer and wait for power to return
Which of the following is classified as direct PII (Personally Identifiable Information) that must be protected?
Browser cookies
Anonymized usage statistics
Full name and Social Security number
Aggregated device performance metrics
What is the primary purpose of video memory (VRAM) on a GPU?
Storing operating system files
Holding textures, frame buffers, and graphical data for rendering
Caching CPU instructions
Saving user documents permanently
Which statement best defines a data center in the context of IT infrastructure?
A single high-end desktop used for gaming
A climate-controlled facility housing servers, networking equipment, and storage that delivers computing resources
A software application used to back up files
A portable device for edge computing in the field
