What is the difference between encryption and hashing?
A. They are the same
B. Hashing is reversible, encryption is not
C. Encryption is used for integrity, hashing for confidentiality
D. Encryption is reversible, hashing is not
Answer: Option D
Solution (By JKExamLibrary)
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.
Which technical mechanism isolates corporate servers from the public internet, routing all external requests through an intermediate gateway that filters malicious payloads?
Explanation:
Proxy servers intercept and forward requests between networks, masking internal infrastructure topologies and filtering incoming web traffic.
Which social engineering attack vector uses spoofed emails, misleading hyperlinks, and look-alike landing pages to trick corporate employees into surrendering their login credentials?
Explanation:
Phishing involves masquerading as a trustworthy entity via digital communications to manipulate victims into revealing passwords, financial records, or sensitive personal tokens.
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