Free CompTIA Security Plus SY0-701 Actual Exam Questions - Question 7 Discussion

Question No. 7
Which of the following cryptographic solutions protects data at rest?
Select one option, then reveal solution.
US
NN
Noah N.
2026-02-17

B imo, since private keys are just part of the process, they don’t actually encrypt data by themselves. Full disk encryption directly secures everything stored on the device.

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NN
Noah N.
2026-02-14

Digital signatures (A) don’t protect stored data, so definitely not that.

0
PM
Peter M.
2026-01-25

It’s definitely B because digital signatures and private keys are more about authentication and encryption during transmission, not specifically for data stored on a device.

0
AE
Andre E.
2026-01-16

B. Full disk encryption, since it directly secures stored data.

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