Gce Model Questions Vol1 2025 Computer Studies Question 5
Practice objective / multiple choice question 5 from the 2025 Gce Model Questions Vol1 Computer Studies examination.
An organisation currently stores user passwords using SHA‑256 hashes with a 16‑byte random salt. For each of its 50,000 users, the stored data consists of a 32‑byte hash and a 16‑byte salt. The organisation plans to migrate to Argon2id, which requires a 32‑byte salt and stores a 64‑byte hash. Calculate the additional storage required for the password table after the migration, expressed in megabytes (MB) to two decimal places (1 MB = 1,048,576 bytes).
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This is Gce Model Questions Vol1 2025 Computer Studies Question 5. It is one of the objective questions from the 2025 Gce Model Questions Vol1 Computer Studies examination.
Difficulty level: Medium .
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