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Technological Knowledge MCQs

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This Technological Knowledge MCQs page is designed for aspirants who want focused, exam-oriented practice with clear answers and explanations. Use these questions to revise key concepts, test your memory, improve accuracy, and build confidence for CSS, PMS, PCS, FPSC, PPSC, SPSC, KPPSC, BPSC, and other competitive examinations.

Technological Knowledge MCQs with Answers

Review the latest approved Technological Knowledge multiple choice questions below. Each question is arranged for quick reading, answer checking, and concept revision so candidates can practice regularly without wasting time on repeated or low-quality material.

What is multi-factor authentication (MFA)?

  • A. A single password login
  • B. A combination of two types of credentials
  • C. A long password only
  • D. Password plus CAPTCHA only
Explanation:
MFA uses multiple factors (such as a password and a phone code) to verify identity, increasing security.

What is the purpose of a VPN?

  • A. To improve the Wi-Fi signal
  • B. To securely encrypt and route internet traffic
  • C. To store backup data online
  • D. To speed up downloads
Explanation:
A VPN encrypts internet traffic and routes it through a secure server, protecting privacy.

Which type of malware encrypts a user’s data and demands payment?

  • A. Ransomware
  • B. Spyware
  • C. Adware
  • D. Rootkit
Explanation:
Ransomware locks or encrypts data and demands payment (ransom) for the key.

What does 'least privilege' mean in cybersecurity?

  • A. Admins have all privileges
  • B. Users have only the access necessary for their role
  • C. Everyone has the same privileges
  • D. Turn privileges off at night
Explanation:
Least privilege means giving users only the permissions they need, minimizing potential damage.

Which protocol is used to transfer files over SSH securely?

  • A. FTPS
  • B. HTTPS
  • C. SCP (Secure Copy)
  • D. SMTP
Explanation:
SCP (Secure Copy Protocol) is used to transfer files securely over an SSH connection.

What is a 'zero-day' vulnerability?

  • A. A bug fixed before release
  • B. A known weakness with an immediate patch
  • C. A security flaw unknown to the vendor
  • D. A deprecated protocol
Explanation:
A zero-day is a security hole not known to the software maker, with no available patch yet.

What is a common defense against a DDoS attack?

  • A. Multi-factor authentication
  • B. Rate limiting and filtering
  • C. Switching to HTTP from HTTPS
  • D. Enabling auto-merge
Explanation:
Rate limiting or traffic filtering can help mitigate Distributed Denial of Service attacks.

In network security, what does a DMZ (demilitarized zone) refer to?

  • A. A private office
  • B. An isolated subnet for public-facing servers
  • C. A type of malware
  • D. A strong encryption method
Explanation:
A DMZ is a separate network area that isolates public services (e.g., web servers) from the internal LAN.

Which hashing algorithm is considered insecure due to collision vulnerabilities?

  • A. SHA-256
  • B. MD5
  • C. SHA-3
  • D. Blowfish
Explanation:
MD5 is outdated and vulnerable to collisions; SHA-256 and SHA-3 are more secure.

What is two-factor authentication (2FA)?

  • A. Using the same password twice
  • B. Two random passwords
  • C. Two different methods to verify identity
  • D. Logging in on two devices
Explanation:
2FA requires two different types of credentials (e.g., a password and an OTP code).

Technological Knowledge MCQs for CSS Preparation

Practice Important Questions

This section provides important Technological Knowledge MCQs with answers and explanations to help candidates prepare effectively for CSS, PMS, and other competitive exams. Regular practice helps aspirants identify common question patterns, revise essential facts, and improve their command over the subject.

Improve Conceptual Understanding

Each MCQ is designed to strengthen understanding of key concepts and improve the analytical thinking required in exams. Instead of memorizing isolated answers, candidates can use the explanation area to understand why the correct option is suitable and why the other choices may be misleading.

Exam-Oriented Preparation

These MCQs follow a competitive-exam style approach, helping aspirants practice relevant questions and improve performance. The format supports quick revision before tests, topic-wise preparation during study sessions, and self-assessment after completing a subject chapter or syllabus area.

Useful for CSS and PMS Exams

This collection is highly beneficial for CSS, PMS, PCS, FPSC, PPSC, SPSC, KPPSC, BPSC, and similar exams where objective questions require accuracy, speed, and strong retention. Practicing with subject-wise MCQs can help candidates build confidence and reduce mistakes under time pressure.

For best results, attempt the Technological Knowledge MCQs first without checking the answer, then review the correct option and explanation carefully. Revisit difficult questions, use the search option to find related terms, and start the quiz mode when you want a more active practice session. This method helps turn MCQ practice into structured revision rather than random guessing.