Paper 1 · ICT
Which of the following is not related to information security on the internet?
AData encryption
BWatermarking
CData hiding
DInformation retrieval ✓ Correct
Correct answer: (D) Information retrieval — Information retrieval is not related to information security, so that is the answer.
Explanation
★Information retrieval is not related to information security, so that is the answer.
★Data encryption, watermarking and data hiding all protect information.
★They keep data secret or guard who may use it.
★Information retrieval instead is about finding and fetching data.
★So the one not related to information security is information retrieval.
★So the answer is information retrieval.
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