What is the difference between encryption and hashing?
A. Encryption is reversible, hashing is not
B. They are the same
C. Encryption is used for integrity, hashing for confidentiality
D. Hashing is reversible, encryption is not
Answer: Option A
Solution (By JKSSB Mock Tests)
Encryption is a two-way function that can be reversed with a key, while hashing is a one-way function that produces a fixed-size output from input and cannot be reversed to obtain the original data.
Explanation:
Mobile devices face multiple security threats, including malicious apps, physical theft, and unsecured Wi-Fi networks that can be exploited by attackers.
Explanation:
An IPS actively analyzes data packet streams, automatically updating security controls or dropping malicious traffic to protect target networks.
Explanation:
A digital signature provides authentication and integrity verification, ensuring that a message or document comes from the claimed sender and has not been altered.
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