Free ACA-Operator Exam Braindumps
ACA System Operator Certification Questions 11–15 (page: 4)

Updated On: 9-Feb-2026

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?

  1. Developers can generate a plaintext data key and a ciphertext data key by calling the GenerateDataKey interface.
  2. Envelope 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).
  3. The user uses the master key created on KMS to encrypt and decrypt the generated data key.
  4. The master key generated by KMS is also kept by the user.

Answer(s): A,B,C



Which of these Alibaba Cloud services are used for security (either credentials management, logging, or auditing?) (Number of correct answers: 3)

  1. ActionTrail
  2. Log Service
  3. Key Management Service (KMS)
  4. Table store

Answer(s): A,B,C


Reference:

https://www.alibabacloud.com/help/doc-detail/27280.htm



You need to log all actions taken by users of your Alibaba Cloud account, whether via the command line tools or the web console.
Which Alibaba Cloud product can you use to create a log of user operations?

  1. CloudMonitor
  2. ActionTrail
  3. Cloud Configo
  4. Resource Group

Answer(s): B


Reference:

https://www.alibabacloud.com/help/doc-detail/28804.htm



Which of these are important concepts in Terraform's configuration language, HCL? (Number of correct answers: 3)

  1. Provider
  2. Variable
  3. Resource
  4. Service Mesh

Answer(s): A,B,C



Which database utility is suitable for automate perception, healing, optimization, O&M, and security assurance for databases?

  1. DMS
  2. DBS
  3. DTS
  4. DAS

Answer(s): D


Reference:

https://www.alibabacloud.com/help/doc-detail/64851.htm



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