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Test Question and Answers [100% Correct]
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What is the difference between a full backup and an incremental backup?
A full backup copies all data, while an incremental backup only copies data that has changed
since the last backup. Incremental backups are faster and require less storage space but may take longer
to restore.
What steps should be taken when a computer is infected with ransomware?
Disconnect the computer from the network to prevent further spread. Do not pay the ransom.
Restore files from backups, run antivirus scans, and use decryption tools if available. In some cases, a
system restore may be necessary.
How would you recover a system after a hard drive failure?
To recover from a hard drive failure, replace the failed hard drive, restore from a backup image or
system image, or reinstall the operating system and recover files from a backup if needed.
What is the function of the Windows System File Checker (sfc)?
System File Checker scans and repairs corrupted or missing system files in Windows, helping to
resolve stability or performance issues caused by damaged files.
How do you access the Control Panel in Windows 10?
You can access the Control Panel by searching for it in the Start menu or by typing "control" in the
Run dialog (Win + R).
What is the purpose of the Windows ReadyBoost feature?
ReadyBoost uses a USB flash drive to improve system performance by providing additional cache
storage for the operating system, which can speed up systems with limited RAM.
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,How would you configure the firewall to block a specific program in Windows 10?
To block a program through the Windows Firewall, open the firewall settings, select "Advanced
settings," create a new inbound or outbound rule, and specify the program you want to block.
How can you disable unnecessary startup programs in Windows 10?
Open Task Manager, navigate to the "Startup" tab, and disable programs that you do not need to
run on startup to improve system boot time and performance.
What steps would you take to troubleshoot a computer that cannot connect to the internet?
Check the physical connections, ensure the network adapter is enabled, verify the Wi-Fi or
Ethernet settings, restart the router, and troubleshoot the network with Windows Network
Troubleshooter.
How does a proxy server work in a network environment?
A proxy server acts as an intermediary between a user’s device and the internet. It filters
requests, improves security by hiding the user’s IP address, and can cache content to speed up web
browsing.
What is the purpose of a Group Policy in Windows?
Group Policy is a tool used to manage and configure user and computer settings across a
network, such as enforcing password policies, managing software installations, and controlling system
security.
What is an optical drive, and how does it function in a computer system?
An optical drive uses laser technology to read and write data on optical media, such as CDs,
DVDs, or Blu-ray discs. It is typically used for media playback or software installation.
How can you update device drivers in Windows 10?
Device drivers can be updated via Device Manager by right-clicking a device, selecting "Update
driver," and choosing to search automatically for updated driver software or manually browsing for a
driver file.
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,What is a system image restore, and when would you use it?
A system image restore involves restoring the entire system from a previously created image
backup. It is used when the system experiences significant failure, such as a corrupted OS or a hard drive
crash.
What is the role of a network switch in a local area network (LAN)?
A network switch connects multiple devices within a LAN and forwards data between them based
on MAC addresses. Unlike a hub, it sends data only to the intended recipient, which improves network
efficiency.
How can you check the performance of your system’s CPU and memory usage in Windows 10?
You can check the performance of the CPU and memory by opening Task Manager and navigating
to the "Performance" tab, where you can see real-time graphs of CPU, memory, disk, and network usage.
What is the function of the Task Scheduler in Windows, and how is it used?
Task Scheduler allows users to automate tasks by setting triggers and actions. It can be used to
run scripts, programs, or backups at specified times or events.
How can you prevent malware infections on a Windows 10 computer?
Use Windows Defender or a third-party antivirus program, avoid opening suspicious attachments
or links, keep the system and software updated, and practice safe browsing habits.
How would you troubleshoot a computer that is not turning on?
Check if the power supply is plugged in, verify that the power button is working, test the power
cord and outlet, and check the power supply unit (PSU) and motherboard for issues.
How can you monitor network traffic on a Windows computer?
You can use the "Resource Monitor" tool in Windows, which provides real-time data on network
activity, including which applications are using network resources.
What is the function of the Windows Event Viewer?
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, The Event Viewer logs system events, including errors, warnings, and informational messages. It
helps administrators troubleshoot issues by providing detailed logs of what happened on the system.
How can you secure a Windows 10 computer against unauthorized access?
Use strong passwords, enable two-factor authentication, encrypt sensitive data, regularly update
the system, and ensure a firewall is active to prevent unauthorized access to the computer.
What is the role of the Windows Management Instrumentation (WMI)?
WMI provides a standardized way to access and manage hardware and software information on
Windows systems. It is used for system administration tasks, including querying system status and
automating management processes.
What is an IP address, and how does it function in networking?
An IP (Internet Protocol) address uniquely identifies a device on a network and facilitates
communication between devices. It can be either IPv4 (e.g., 192.168.0.1) or IPv6 (e.g.,
2001:0db8:85a3:0000:0000:8a2e:0370:7334).
What is the purpose of Windows Safe Mode with Networking?
Safe Mode with Networking loads minimal drivers along with networking support, allowing you
to troubleshoot issues while still being able to access the internet for updates or driver installations.
What is the difference between a virus and a worm in terms of cybersecurity threats?
A virus attaches itself to a program or file and requires user action to spread, while a worm is a
standalone malicious program that can self-replicate and spread across networks without user
intervention.
What is the purpose of a system image, and how can it be used in disaster recovery?
A system image is a complete snapshot of the entire system, including the operating system,
installed programs, and files. It can be used to restore a system to its exact state in the event of hardware
failure or other catastrophic problems.
How can you check for Windows updates from the command line?
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