Operating Systems Support Course Final Exam Answers

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October 14, 2025

Operating Systems Support Course Final Exam Answers Full 100%

Operating Systems Support Course Final Exam Answers Full 100% provides a comprehensive collection of verified solutions and explanations for every question covered in the Operating Systems Support final assessment. This exam focuses on core concepts such as system installation, process and memory management, file systems, user administration, security controls, virtualization, and troubleshooting techniques across Windows, Linux, and macOS environments. Each answer in this guide has been carefully reviewed to ensure accuracy and clarity, serving as an excellent study reference for students aiming to achieve a perfect score and deepen their understanding of real-world OS support operations.

1. A user reports that their display is flickering. What is the appropriate first step to try to fix this issue?

Replace the display with a new one.
Update the graphics driver to the latest version.
Adjust the screen refresh rate in display settings.
Disassemble the display unit and replace the inverter.

2. A user reports that images on the display appear distorted, with strange colors and artifacts. After testing different cables and monitors, the issue persists. What is the most likely cause and solution?

The monitor is defective; replace it with a new one.
The GPU is faulty or malfunctioning; replace the GPU.
The refresh rate is too low; increase it in display settings.
The display resolution is set incorrectly; adjust it in display settings.

3. During a business presentation, a user’s projector unexpectedly shuts down after running for a short period. Upon inspection, they notice that the projector feels very hot. What is the most likely cause and solution?

The vents are clogged; clean the vents.
The projector’s bulb is faulty; replace the bulb.
The input source is incorrect; check the connection settings.
The projector is in a small enclosure; remove or enlarge the enclosure to ensure proper ventilation.

4. A user reports that the USB devices are not powering down when the computer enters sleep mode, leading to unnecessary battery drain. Additionally, the screen dims unexpectedly, making it difficult to read. What steps should be taken to resolve these issues?

Disable all power-saving settings in the Control Panel to prevent any automatic adjustments.
Reinstall the operating system to ensure all power management features are working correctly.
Enable device power management in Device Manager under USB Root Hub properties and disable adaptive brightness in Display settings.
Increase the screen brightness manually and avoid using any power management features to prevent dimming, ensuring the display remains at maximum brightness at all times even when the system is not in use.

5. A user has difficulty reading text on their Windows 11 device and wants to adjust the display settings. Which action would help the user make the text readable without distorting other screen elements?

Decrease the contrast ratio to make the screen less bright.
Increase the screen resolution to make everything appear sharper.
Use the “Text size” option in Accessibility settings to adjust only the text size.
Set the “Scale” percentage in the Display settings to enlarge all screen elements.

6. In Windows 11, which feature provides a virtual alternative for users who cannot access or use a physical keyboard, and is also useful for IT support technicians troubleshooting devices with malfunctioning keyboards?

The Voice Typing tool allows users to input text using voice commands.
The Accessibility menu allows users to enable the Sticky Keys feature for easier keyboard navigation.
The Touch Keyboard feature, optimized for finger-based input, provides an on-screen keyboard for touchscreen devices.
The On-Screen Keyboard provides a virtual keyboard for input and is useful for troubleshooting devices with keyboard issues.

7. Which gesture is specific to Windows 11 and not commonly found across other devices?

swiping to scroll
tapping to select an item
swiping up with three fingers to view all open windows
pinching in and out to zoom to see finer details of text and images

8. When should a user check for updated drivers for the hardware?

only when installing new hardware
at the same time as performing a software update
when the hardware does not work properly or to prevent future problems
only if the computer is running slowly, otherwise checking for updated drivers is unnecessary

9. What is the primary reason web browsers use caching?

to store user passwords securely
to save large files permanently on the computer
to decrease loading times by avoiding reloading common elements
to automatically update all browser settings without user intervention

10. What is a primary function of the Windows Task Manager?

to create backup files
to install new applications
to monitor and terminate running processes
to periodically change system settings automatically

11. An IT support technician receives a call from a customer whose computer is running slowly after startup. The customer suspects that too many programs are launching automatically when the PC is powered on. The technician needs to check which programs are set to run at startup and disable any unnecessary ones to improve boot time. Which Task Manager tab should the technician use?

Services
Processes
Startup apps
Performance

12. What is the first step to begin using Google Drive?

Configure file syncing options.
Download Google Drive desktop application.
Create a Google account at accounts.google.com/signup.
Purchase a Google One subscription and download the application.

13. Why is Safe Mode essential for diagnosing problems on a Windows system?

It automatically repairs all issues without user input.
It allows the installation of third-party drivers for enhanced performance.
It runs only critical system components while disabling non-essential services and third-party drivers.
It provides access to all software installed on the system for thorough testing, enabling users to evaluate how various applications and programs are functioning in a limited environment.

14. Which gesture is commonly used to access Mission Control on a MacBook with a trackpad or Magic Mouse?

pinch with two fingers
rotate two fingers in a circular motion
double-tap with one finger
swipe up with three or four fingers

15. What is the primary function of Time Machine in macOS?

It optimizes system performance by closing background apps.
It scans for viruses and malware to protect your data.
It automatically creates incremental backups of files, applications, and system settings.
It synchronizes files across multiple Apple devices to ensure the user always has the latest version of documents, photos, and apps, regardless of the device.

16. What is a key feature of the “Disks” utility in Ubuntu Linux?

It defragments hard drives to improve performance.
It scans the system for viruses and malware.
It supports partition management, formatting, and file system repair.
It automatically backs up all files and system settings to a cloud service for easy recovery.

17. Match the terms with their correct descriptions.

Antivirus and Antimalware ==> Software that scans a computer for harmful code by comparing files to predefined code signatures.
Firmware Update ==> Software designed for low-level functionality within a device, typically stored in ROM or Flash, that requires regular updates from the manufacturer.
System Backup ==> The process of creating copies of data to protect against loss, ensuring that important files can be restored in case of failure or corruption.

18. What is the purpose of Gnome-keyring on Ubuntu Linux?

It manages and stores security credentials such as passwords, encryption keys, and digital certificates, allowing users and applications to securely access these credentials when needed.
It monitors system activity and optimizes performance by adjusting system settings based on resource usage, improving the responsiveness of applications and reducing system lag during heavy tasks.
It automatically updates all system security protocols, including antivirus software and firewalls, to protect against external threats and ensure that the system is always protected against the latest vulnerabilities.
It provides a secure cloud backup solution for user data, automatically syncing and storing files in a remote cloud service to protect against data loss in case of hardware failure or accidental deletion.

19. What is the primary role of a hypervisor in virtualization?

It creates an abstraction layer on top of the physical hardware, allocating resources such as CPU, memory, and storage to virtual machines (VMs).
It adds physical servers to accommodate virtual machines, effectively distributing workloads and ensuring optimal resource access and enhancing scalability and flexibility.
It provides a backup solution for virtual machines, ensuring all data is automatically stored in cloud storage.
It installs and manages the operating system on virtual machines to ensure compatibility with hardware components.

20. Which command provides a list of users currently logged into a Linux system and their corresponding terminal sessions?

who
login
users
ifconfig

21. What is the primary function of the kill command in Linux?

to temporarily suspend running processes
to change the priority of running processes
to end processes based on their process ID
to list all the processes running on the system that may be harmful

22. What does root access allow users to do in Linux and other Unix-like operating systems?

Control system processes in a restricted manner.
Run all basic user commands without restrictions.
Access only the files and settings of their own user account.
Modify system configurations, install or remove software, and manage user permissions.

23. Which statement describes the importance of understanding display settings in macOS?

It allows technicians to install third-party applications.
It helps diagnose and resolve common issues such as blurry text and incorrect resolution.
It ensures that all display hardware components are recognized and configured optimally.
It guarantees that the Mac will always have the latest operating system installed and functioning properly.

24. A user reports that the Mac screen appears too warm or yellow. What should the support technician do to resolve this issue?

Check for display driver issues.
Increase the screen brightness in System Settings > Displays.
Turn off True Tone and check the Night Shift settings in System Settings > Displays.
Restart the Mac in Safe Mode and then adjust the refresh rate in System Settings > Displays.

25. A Mac user reports that an application is still not functioning properly despite having the necessary permissions. What is the next troubleshooting step after ensuring the operating system is up to date?

Completely remove the application from the Finder, then reinstall it.
Temporarily turn off the antivirus software to see if that resolves the issue.
Check for updates in the application itself to see if a new version is available.
Restore the computer to an earlier backup to ensure all applications work seamlessly.

26. In macOS, which pathway allows users to access a suite of tailored features designed to improve the user experience for individuals with varying disabilities, focusing on adjustments that impact aspects such as visual, auditory, and motor accessibility?

Launchpad > Accessibility
System Settings > Accessibility
System Tools > User Accessibility
Control Center > Accessibility Options

27. Which statement explains why Android is widely used across various types of devices?

It works on smartphones made by Google and the Open Handset Alliance.
It is closed source, allowing Google to control how it functions on all devices.
It is an open-source, Linux-based system that developers can customize for different devices.
It was the first operating system specifically designed for smartphones and tablets, making it the default choice for all modern mobile devices.

28. Which sensor in a mobile device detects how it is being held and changes the screen orientation?

Gyroscope
GPS Module
Magnetometer
Accelerometer

29. What is the primary purpose of Mobile Device Management (MDM) in an organization?

to remotely monitor, secure, and optimize mobile devices
to provide faster internet connections on any mobile devices
to ensure only company-owned devices can connect to the network
to track employee locations using their company-owned mobile devices

30. What should an IT support technician recommend if a customer’s mobile device is lost or stolen and attempts to locate it have failed?

Perform a factory reset on the device to wipe all data immediately, ensuring no one can access the information, even if the device is found later.
Use the remote lock and remote wipe features to secure the device and protect personal information.
Ask the customer to contact their mobile carrier to deactivate the SIM card, which will prevent calls and data usage, making the device useless to whoever finds it.
Advise the customer to wait a few days in case the device turns up, as many lost devices are often recovered or returned by honest people.

31. Which mobile connectivity option provides high-speed internet access through wireless networks in homes, offices, and public places?

Bluetooth
NFC
Wi-Fi
GPS

32. Which application is not categorized as a communication app on a mobile device?

Phone
SMS Messaging
Music
Web Browsers

33. Which application permission is essential for a ride-sharing app, like Uber, to function properly?

Location
Storage
Camera
Contacts

34. You are an IT support technician helping a user who is experiencing several issues on their mobile device. The user reports that their apps are freezing, taking a long time to load, and the battery is draining faster than usual. Additionally, the device is not connecting properly to the internet in areas with previously stable network coverage. The user has already tried restarting the device, but the issues persist.

What would be the most effective troubleshooting steps to resolve these issues?

Clear the app cache and data, check for app and OS updates, and disable unnecessary background features such as Bluetooth and GPS. Then, check storage usage to ensure there is enough free space.
Perform a factory reset to restore the device to default settings and uninstall any unused apps.
Update the operating system, as app issues will resolve themselves once the OS is up-to-date.
Disable all apps except the pre-installed ones and restart the device again to help eliminate potential conflicts caused by third-party apps, ensuring the device operates with only the default settings and apps.

35. A user reports that their email app is not launching, emails are not sending, and their inbox is not updating regularly. After some investigation, you suspect an issue with the email account settings. What troubleshooting steps should you follow to resolve the issue?

Verify the internet connection by checking website access, then confirm the email account and server settings are correct in the app.
Uninstall and reinstall the email app to resolve any potential app corruption.
Disable the internet connection and attempt to use email offline to prevent the inbox from updating.
Reset the device to factory settings and restore from backup.

36. Which cloud provider is recommended for customers focused on innovation around data, analytics, AI/ML, or open-source and cloud-native technologies?

Amazon Web Services (AWS)
Microsoft Azure
Google Cloud Platform (GCP)
IBM Cloud

37. A regional healthcare network wants to share patient data securely among its affiliated hospitals while ensuring compliance with strict healthcare regulations like HIPAA. Which cloud model would best meet their needs?

Public Cloud
Private Cloud
Community Cloud
Hybrid Cloud

38. After implementing a plan to fix a mobile device issue, what should be done if the problem is not immediately resolved?

Restart the device and check if the issue is resolved.
Gather additional information from online forums and manufacturer FAQs.
Document the changes made and note the specific troubleshooting process followed.
Do more research to determine the exact cause and take further corrective actions.

39. Which action should be taken during the documentation step to ensure proper documentation of the changes are made?

Mark the ticket as resolved and inform the customer that no further steps are necessary.
Skip the documentation of components used if they are not critical to the repair process.
Discuss the solution with the customer, document the steps taken, and provide the customer with all relevant paperwork.
Focus on documenting the time spent, as this is the most critical piece of information needed to assist future troubleshooting processes.

40. What is the primary difference between setting up biometric authentication on an Android device and an iOS device?

Android devices use Face ID, while iOS devices use fingerprint recognition.
Android devices do not support biometric authentication, while iOS devices support both Face ID and fingerprints.
Android devices use either face recognition or fingerprints, while iOS devices use Face ID for facial recognition.
iOS devices allow both face recognition and fingerprint recognition, while Android devices only support Face ID.