In Windows, the 'Nslookup' command is used for: MCQ with Answer and Explanation

Question
In Windows, the 'Nslookup' command is used for:
A. Displaying network statistics
B. Testing network connectivity
C. Tracing network routes
D. Querying DNS servers to resolve domain names
Answer: Option D
Solution (By JKSSB Mock Tests)
nslookup is a tool for DNS resolution and troubleshooting DNS records.
This question belongs to: Computer Operating Systems
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Practice More Operating Systems Questions

Question #1
What is the main purpose of the Windows 'Action Center'?
A. To configure firewall settings
B. To view alerts and manage system notifications
C. To manage user accounts
D. To control system updates
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Correct Answer: Option B

Explanation:
Action Center displays notifications and alerts about system security, maintenance, and app messages.
This question belongs to: Computer Operating Systems
Question #2
What is the purpose of the Android 'AccessibilityManager'?
A. To control gesture navigation
B. To manage accessibility settings
C. To handle screen readers
D. To provide accessibility features and services for users with disabilities
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Correct Answer: Option D

Explanation:
AccessibilityManager enables apps to assist users with disabilities, e.g., text-to-speech, magnification.
This question belongs to: Computer Operating Systems
Question #3
Which of the following is a feature of a preemptive multitasking system?
A. Processes must voluntarily yield CPU
B. Only one process runs at a time
C. The OS can interrupt a process to give CPU time to another
D. No process can be interrupted once started
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Correct Answer: Option C

Explanation:
Preemptive multitasking allows the OS to forcibly preempt a running process to allocate CPU to another, ensuring responsiveness.
This question belongs to: Computer Operating Systems
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