Alibaba Exam ACA-Operator Topic 9 Question 48 Discussion

Actual exam question for Alibaba's ACA System Operator Certification exam

Question #: 48
Topic #: 9

[All ACA System Operator Certification Questions]

A developer needs to use some sensitive business data and operational data in the process of developing a program, but the data should be protected (encrypted or anonymized) as much as possible. In order to facilitate and secure management of data encryption keys, the developer can use Alibaba Cloud Key Management Service (KMS) envelope encryption technology. Which of these statements is NOT correct, regarding KMS?

ADevelopers can generate a plaintext data key and a ciphertext data key by calling the GenerateDataKey interface.

BEnvelope encryption is an encryption mechanism similar to digital envelope technology. The technology allows you to store, transfer and use encrypted data by encapsulating their Data Keys (DKs) in an envelope, instead of \y encrypting/decrypting data directly with Customer Master Keys (CMKs).

CThe user uses the master key created on KMS to encrypt and decrypt the generated data key.

DThe master key generated by KMS is also kept by the user.

Show Suggested Answer

Suggested Answer: A, B, C

by Jamal at Oct 17, 2023, 04:23 PM

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