What is 'SQL injection'? MCQ with Answer and Explanation

What is 'SQL injection'?
A. A technique to insert malicious SQL code into a query to manipulate a database
B. A type of social engineering
C. A method to inject a virus into a system
D. A physical attack on a server
Answer: Option A
Solution (By JKSSB Mock Tests)
SQL injection is a code injection technique that exploits vulnerabilities in an application's database layer, allowing attackers to execute malicious SQL statements.

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Practice More Cyber Security Questions

Question #1
What is the purpose of a security architecture?
A. To increase network speed
B. To provide backup services
C. To manage user accounts
D. To design a framework for implementing security measures

Correct Answer: Option D


Explanation:
Security architecture is the design of a framework of security controls and practices that protect an organization's information systems from threats.

This question belongs to: Computer Cyber Security
Question #2
Which malicious software strain automatically floods a user’s computer monitor with pop-up marketing window sequences, often slowing system performance and bundling tracker cookies secretly?
A. Adware
B. Computer Worm
C. Rootkit Module
D. Ransomware Core

Correct Answer: Option A


Explanation:
Adware is code optimized to continuously display advertisement matrices on client screens, often bundled with browser add-ons without transparent consent.

This question belongs to: Computer Cyber Security
Question #3
What is the purpose of a network firewall in an organization?
A. To detect and remove malware
B. To enforce security policies by controlling network traffic
C. To manage user accounts
D. To provide data backup

Correct Answer: Option B


Explanation:
A network firewall enforces security policies by controlling traffic based on rules, preventing unauthorized access and protecting the network.

This question belongs to: Computer Cyber Security