Q71. What should you do if your computer is infected with malware?
a) Run a full system scan with antivirus software
b) Unplug the computer
c) Install additional software
d) Clean the registry
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Correct Answer: a) Run a full system scan with antivirus software
Explanation: Running a full system scan with antivirus software helps detect and remove malware, restoring system security.
Q72. What is the purpose of regular system backups?
a) To keep software up-to-date
b) To protect data from loss in case of hardware failure or other issues
c) To defragment the hard drive
d) To increase system performance
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Correct Answer: b) To protect data from loss in case of hardware failure or other issues
Explanation: Regular system backups ensure that important data is preserved and can be restored in case of hardware failure or other problems.
Q73. What action is most likely to improve the speed of a slow computer?
a) Add more RAM
b) Update the operating system
c) Clean the registry
d) Replace the hard drive
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Correct Answer: a) Add more RAM
Explanation: Adding more RAM can improve system speed and performance by allowing the computer to handle more tasks simultaneously and reducing reliance on slower storage.
Q74. How can you ensure that your software is always up-to-date?
a) Enable automatic updates
b) Manually check for updates weekly
c) Reinstall the software
d) Use outdated versions
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Correct Answer: a) Enable automatic updates
Explanation: Enabling automatic updates ensures that software is always up-to-date with the latest features, fixes, and security patches.
Q75. What is the benefit of using a hardware firewall?
a) To provide physical security for the computer
b) To block unauthorized network traffic and provide additional network security
c) To clean system files
d) To improve hardware performance
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Correct Answer: b) To block unauthorized network traffic and provide additional network security
Explanation: A hardware firewall protects the network by blocking unauthorized traffic, offering enhanced security for the entire network.
Q76. What is the best practice for maintaining a computer’s overall health?
a) Regularly perform maintenance tasks such as updates, scans, and backups
b) Avoid using antivirus software
c) Ignore system updates
d) Keep the computer’s hardware components disconnected
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Correct Answer: a) Regularly perform maintenance tasks such as updates, scans, and backups
Explanation: Regular maintenance, including updates, scans, and backups, helps ensure a computer’s health and optimal performance.
Q77. What should you do if you encounter a software compatibility issue?
a) Check for software updates or patches
b) Reinstall the operating system
c) Increase the computer’s RAM
d) Use an outdated version of the software
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Correct Answer: a) Check for software updates or patches
Explanation: Software updates and patches often resolve compatibility issues by addressing known bugs and improving compatibility with the system.
Q78. What action is recommended for a computer with a failing hard drive?
a) Backup all important data immediately
b) Clean the registry
c) Increase the RAM
d) Reinstall the operating system
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Correct Answer: a) Backup all important data immediately
Explanation: If a hard drive is failing, it is crucial to back up important data as soon as possible to prevent data loss.
Q79. What is a common sign that a computer needs a hardware upgrade?
a) Slow performance despite software updates and maintenance
b) Frequent software updates
c) Proper system functionality
d) Adequate disk space
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Correct Answer: a) Slow performance despite software updates and maintenance
Explanation: Slow performance that persists despite software updates and maintenance may indicate the need for a hardware upgrade to improve system capabilities.
Q80. How can you prevent unauthorized software installations on your computer?
a) Use user account control and software restrictions
b) Disable antivirus software
c) Avoid using firewalls
d) Share administrator privileges
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Correct Answer: a) Use user account control and software restrictions
Explanation: User account control and software restrictions help prevent unauthorized software installations by limiting permissions and controlling software access.