Which system utility is designed to monitor a computer network or system for unauthorized access attempts and block suspicious incoming data traffic? MCQ with Answer and Explanation

Question
Which system utility is designed to monitor a computer network or system for unauthorized access attempts and block suspicious incoming data traffic?
A. Device Manager
B. Firewall
C. Disk Formatter
D. File Manager
Answer: Option B
Solution (By JKSSB Mock Tests)
A firewall filters incoming and outgoing network traffic based on preset security rules to prevent malicious unauthorized external access.
This question belongs to: Computer Computer Software
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Practice More Computer Software Questions

Question #1
What is the difference between a thread and a process in software?
A. Thread is a program; process is a unit
B. Process is a program in execution; thread is a smaller unit within a process
C. They are the same
D. Process is for CPU; thread is for memory
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Correct Answer: Option B

Explanation:
A process can contain multiple threads sharing resources.
This question belongs to: Computer Computer Software
Question #2
What is the purpose of a software repository?
A. Manages memory
B. Compiles source code
C. Controls hardware
D. Stores software packages for distribution
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Correct Answer: Option D

Explanation:
Repositories hold collections of software packages for easy installation.
This question belongs to: Computer Computer Software
Question #3
Which type of utility software is used to reduce the size of a file or folder so that it consumes less storage space and can be transmitted faster over a network?
A. Antivirus Software
B. File Compression Utility
C. Disk Defragmenter
D. Backup Utility
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Correct Answer: Option B

Explanation:
File compression utilities (like WinRAR or 7-Zip) use algorithms to reduce file sizes to save disk space and transmission time.
This question belongs to: Computer Computer Software
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