A cloud storage provider stores customer files encrypted with per-file keys. A customer requests deletion of their account. The provider must ensure the data is unrecoverable. What is the most efficient way to achieve this?

Delete the per-file encryption keys from the key management system.

Overwrite the customer's files with random data multiple times.

Move the customer's files to a separate storage account and delete the account.

Encrypt the customer's files again with a new key and then delete the new key.

CompTIASecurityX (CASP+)

Domain 3Objective 5

Cryptographic Techniques CAS-005 Practice Questions (Page 6)

Part of the Security engineering domain, which accounts for 31% of the CAS-005 exam. CompTIA does not publish an official question count, but from its 165-minute exam (~65–110 total, ~20–34 in this domain), expect 4–7 from this objective — we provide 26 practice questions to prepare you well beyond it. (estimate)

26questions here

6free pages

7concepts

31%of the exam

Questions 26–26

26application · medium
A cloud storage provider stores customer files encrypted with per-file keys. A customer requests deletion of their account. The provider must ensure the data is unrecoverable. What is the most efficient way to achieve this?
Select an answer first

Finished these 1 questions?

Review the revealed explanations, or continue through the curriculum.

No more pagesBack to CAS-005

Free Basic Practice is a study aid with revealable answers — not a scored exam. Examers.io is independent and not affiliated with or endorsed by CompTIA. “CAS-005” is a trademark of its owner, used for identification only.

Cryptographic Techniques CAS-005 Practice Questions (Page 6)

Questions 26–26

A cloud storage provider stores customer files encrypted with per-file keys. A customer requests deletion of their account. The provider must ensure the data is unrecoverable. What is the most efficient way to achieve this?

Keep studying — Security engineering