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  • Exam Name: ACA System Operator Certification
  • Last Update: Apr 24, 2024
  • Questions and Answers: 62
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ACA-Operator Practice Exam Questions with Answers ACA System Operator Certification

Question # 6

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?

A.

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

B.

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).

C.

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

D.

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

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Question # 7

Which of these services can be used to monitor Alibaba Cloud resources and send alerts? (Number of correct answers: 3)

A.

CloudMonitor

B.

ActionTrail

C.

Cloud Config

D.

Object Storage Service (OSS)

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Question # 8

You are responsible for the system operations of a product and have implemented the cloud infrastructure in the Alibaba Cloud platform. When

business loads increase, _______ automatically adds ECS instances to

ensure sufficient computing capabilities. When business loads decrease, the

same service automatically removes ECS instances to save costs. Which

service are you using?

A.

Server Load Balancer (SLB)

B.

Auto Scaling

C.

Resource Orchestration Service (ROS)

D.

Resource Access Management (RAM)

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Question # 9

Resource Management provides a collection of resource management services that support enterprise IT administration.

A.

True

B.

False

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