A. To verify the authenticity and integrity of a message
B. To encrypt a message
C. To compress a message
D. To speed up message delivery
Answer: Option A
Solution (By JKSSB Mock Tests)
A digital signature provides authentication and integrity verification, ensuring that a message or document comes from the claimed sender and has not been altered.
What type of attack targets a web application by injecting malicious SQL statements into input forms, allowing the attacker to manipulate the underlying backend database directly?
Explanation:
SQL injection occurs when unvalidated user input is passed directly to a database query engine, enabling threat actors to view, alter, or delete database tables illegally.
Explanation:
Biometric access controls, such as fingerprint or iris scanners, are physical security measures that restrict physical access to sensitive areas like data centers.
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