Download ACA System Operator Certification.ACA-Operator.Pass4Success.2026-05-12.57q.vcex

Vendor: Alibaba
Exam Code: ACA-Operator
Exam Name: ACA System Operator Certification
Date: May 12, 2026
File Size: 271 KB
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Demo Questions

Question 1
Which of these log formats is currently supported by Alibaba Cloud's ActionTrail?
  1. XML
  2. HTML
  3. JSON
  4. Markdown
Correct answer: C
Explanation:
https://www.alibabacloud.com/help/doc-detail/140850.htm
Question 2
Which command is used to get the Docker daemon information?
  1. docker info
  2. docker version
  3. docker pull
  4. docker image
Correct answer: A
Explanation:
https://docs.docker.com/engine/reference/commandline/info/
Question 3
A developer accesses logs in a Log Service Logstore via the API. The error code returned by the server is 404. Which of these could be the cause?
  1. The log project (Project) does not exist
  2. The requested digital signature does not match
  3. Server internal error
  4. Server is busy: please try later
Correct answer: A
Explanation:
Error 404 ProjectNotExist: The error message returned because the specified project does not exist. https://www.alibabacloud.com/help/doc-detail/29018.htm
Question 4
Cloud Config tracks configuration changes of your resources and evaluates configuration compliance.
  1. True
  2. False
Correct answer: A
Explanation:
https://www.alibabacloud.com/help/doc-detail/127388.htm
Question 5
________________ is a fully-managed event-driven computing service that allows you to run code in an elastic and reliable way?
  1. Function Compute
  2. Serverless Workflow
  3. Elastic Compute Service (ECS)
  4. Batch Compute
Correct answer: A
Explanation:
https://www.alibabacloud.com/help/doc-detail/52895.htm
Question 6
In Alibaba Cloud, a developer finds that the ECS instance he created does not have public IP assigned. The API method used was ''CreateInstance''. Which of the following is the most likely reason?
  1. The developer did not call AllocatePublicIpAdress (an additional API call), which is needed to assign a public IP
  2. The CreateSecurityGroup API call was not made
  3. The CreateDisk API call was not made
  4. The ECS was not restarted after being created
Correct answer: A
Explanation:
https://www.alibabacloud.com/help/doc-detail/25544.htm
Question 7
You can create an event notification rule in Message Service and push notifications to the specified consumer in the form of messages, to receive events from specified Alibaba Cloud resources. Which of the following options are correct statements about the Message Service (MS) service? (Number of correct answers: 2)
  1. Event Notifications can cross regions.
  2. Message Service provides synchronous notification to ensure the consistency between the message acknowledgment and event processing.
  3. The event notification message is retained within the valid time. When you fail to receive an event message, the event notification message is retained based on the specified retry policy.
  4. The consumer type of the event notification message can be HTTP Server, Queue, or Topic.
Correct answer: C, D
Question 8
Which of the following descriptions of the principles of Alibaba Cloud SSL certificate private key protection is correct?
  1. Alibaba Cloud uses the built-in functionality of the SSL certificate service to encrypt and store the private key to ensure the security of your certificate's private key
  2. The plaintext of Alibaba Cloud's private key is usually stored on disk and backed up regularly
  3. Alibaba Cloud Certificate Service uses symmetric encryption to save the certificate private key.
  4. Alibaba Cloud Certificate Service keys are loaded into memory in plaintext format ONLY when needed.
Correct answer: D
Question 9
How does Cloud Config get permission to gather information about other Alibaba Cloud services?
  1. An Access Key
  2. A RAM Role
  3. By storing a copy of your password
  4. It gets automatic permission to access everything, because it is an Alibaba Cloud service
Correct answer: B
Explanation:
https://www.alibabacloud.com/help/doc-detail/156642.htm
Question 10
Which database utility is suitable for managing databases in a centralized manner?
  1. DMS
  2. DBS
  3. DTS
  4. DAS
Correct answer: A
Explanation:
https://www.alibabacloud.com/help/doc-detail/47550.htm
Question 11
Which of the following engines is NOT supported by PolarDB?
  1. Oracle
  2. MongoDB
  3. MySQLo
  4. PostgreSQL
Correct answer: B
Explanation:
https://www.alibabacloud.com/help/doc-detail/58764.htm
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