Neco 2025 Computer Studies Question 10

Practice objective / multiple choice question 10 from the 2025 Neco Computer Studies examination.

Neco 2025 Computer Studies Objective / Multiple Choice Medium Difficulty
Question 10 NECO • 2025 • COMPUTER_STUDIES • objective

A message "DATA" is encrypted with a Caesar cipher using an unknown shift \(k\) (0 ≤ k ≤ 25). The observed ciphertext is "GDWD". Determine the shift \(k\). Afterwards, briefly state (in no more than 30 words) whether employing this cipher for transmitting confidential data is ethically acceptable, given its security level.

Answer Options

A. 3; Caesar cipher provides strong security, making its use ethical.
B. 5; Caesar cipher is insecure for confidential data, so its use is unethical.
C. 7; Caesar cipher is insecure for confidential data, but its use is acceptable.
Correct Answer D. 3; Caesar cipher is insecure for confidential data, so its use is unethical.
Correct Answer
D
Correct Option:
3; Caesar cipher is insecure for confidential data, so its use is unethical.

About This Question

This is Neco 2025 Computer Studies Question 10. It is one of the objective questions from the 2025 Neco Computer Studies examination.

Difficulty level: Medium .

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