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Firewalls, VPNs, and Ethical Hacking Fundamentals MCQs

Prepare for Firewalls, VPNs, and Ethical Hacking Fundamentals MCQs with verified questions, past-paper solutions, and conceptual explanations for CSS, PMS, FPSC, PPSC, and NTS examinations.

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390987 MCQs Page 32750

Topic Notes: Computer Science

These notes summarize the key preparation context before you attempt the MCQs. Review the topic focus, then practice the questions below with answers and explanations.

Quick Overview

Practice Computer Science MCQs to prepare for CSS, PMS, FPSC, PPSC, SPSC, KPPSC, BPSC, NTS, and university entry tests in Pakistan. This section covers key theoretical concepts, syllabus topics, and repeated past paper questions related to Computer Science.

Topic-Wise Breakdown
Structured subject modules organized by difficulty and exam frequency.
Verified Answer Keys
Detailed explanations cross-referenced with standard textbooks and commission keys.
Complete Coverage
Covers fundamental definitions, advanced problem-solving, and recent exam trends.

How to Prepare Computer Science MCQs for Competitive Exams

Review each sub-topic systematically. Start with fundamental concepts, practice multiple-choice question sets under timed conditions, and note down questions you missed in your revision tracker. Select a specific topic from the list below to begin practice.

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327491
The ratio between the present ages of P and Q is 6 : 7. If Q is 4 years older than P, what will be the ratio of the ages of P and Q after 4 years?
327492
Rohan is as much younger than Anil as he is older than Prashant. If the sum of the ages of Anil and Prashant is 48 years, what is Rohan's age?
327493
The ratio of the ages of Tina and Rakesh is 9 : 10. Ten years ago, the ratio of their ages was 4 : 5. What is the present age of Rakesh?
327494
If 6 years are subtracted from the present age of Gagan and the remainder is divided by 18, then the present age of his grandson Anup is obtained. If Anup is 2 years younger to Mahesh whose age is 5 years, then what is Gagan's present age?
327495
The sum of the ages of a mother and her daughter is 50. Twelve years ago, the mother was 12 times as old as her daughter. What is the daughter's present age?
327496
The ratio of the ages of Swati and Varun is 2 : 5. After 8 years, their ages will be in the ratio 1 : 2. What is the difference in their present ages?
327497
Raju's age after 15 years will be 5 times his age 5 years back. What is the present age of Raju?
327498
Kamal is 4 times as old as his son. In 10 years, he will be twice as old as his son. What is Kamal's present age?
327499
The present age of a father is 3 years more than three times the age of his son. Three years hence, father's age will be 10 years more than twice the age of the son. Find the present age of the father.
327500
The age of a man is three times the sum of the ages of his two sons. Five years hence, his age will be double the sum of the ages of his sons. The father's present age is: