Selected MCQ

Current Question
Which service provides automated application security scanning against known vulnerabilities?
  • A. VPN
  • B. IDS (Intrusion Detection System)
  • C. WAF (Web Application Firewall)
  • D. Antivirus
Correct Answer: C
Explanation:
A Web Application Firewall (WAF) filters and monitors HTTP traffic for vulnerabilities like SQL injection.
Related Question 1
Why is SHA-256 generally preferred over MD5 for hashing in security applications?
  • A. SHA-256 is faster
  • B. SHA-256 produces shorter hashes
  • C. SHA-256 is more collision-resistant
  • D. SHA-256 is symmetric encryption
Correct Answer: C
Explanation:
SHA-256 is considered secure against collisions, whereas MD5 is vulnerable to collision attacks.
Related Question 2
Which cloud service model provides virtual computing resources such as servers, storage, and networks to customers?
  • A. SaaS
  • B. PaaS
  • C. IaaS
  • D. DaaS
Correct Answer: C
Explanation:
Infrastructure as a Service (IaaS) offers virtualized computing infrastructure (servers, networks, storage).
Related Question 3
What is 'Proof of Stake' consensus primarily known for?
  • A. Requiring hardware to solve puzzles
  • B. Assigning validation rights based on stake held
  • C. Using artificial intelligence
  • D. Being unsecure
Correct Answer: B
Explanation:
Proof of Stake grants block validation rights to holders of cryptocurrency stake, using much less energy than PoW.
Related Question 4
Which of these is a best practice for password security?
  • A. Writing passwords on sticky notes
  • B. Using multi-factor authentication
  • C. Reusing the same password everywhere
  • D. Sharing passwords with colleagues
Correct Answer: B
Explanation:
MFA (like combining a password with a code) greatly increases account security.
Related Question 5
What is a common use of a security certificate on websites?
  • A. To improve page speed
  • B. To prove domain ownership and enable HTTPS
  • C. To store user data
  • D. To track cookies
Correct Answer: B
Explanation:
SSL/TLS certificates authenticate website identity and enable encrypted HTTPS connections.