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Alibaba ACA-Operator Exam
ACA System Operator Certification (Page 4 )

Updated On: 1-Feb-2026
Page 2 of 14
PDF with 62 Questions

Which command is used to get the Docker daemon information?

  1. docker info
  2. docker version
  3. docker pull
  4. docker image

Answer(s): A


Reference:

https://docs.docker.com/engine/reference/commandline/info/



PolarDB supports three engines: MySQL, PostgreSQL and Oracle.

  1. True
  2. False

Answer(s): B


Reference:

https://www.alibabacloud.com/help/doc-detail/58764.htm



Which of the following descriptions describes the (Security Token Service) STS service correctly? (Number of correct answers: 3)

  1. Through the STS service, RAM users or RAM roles can obtain a temporary token that allows them to call the Alibaba Cloud API or use the web console
  2. A STS request consists of an access address, communication protocol, request method, request parameters and character encoding
  3. When calling the STS API, in order to ensure the safe calling of the API, Alibaba Cloud will authenticate each API request through a signature when each API call is made
  4. The STS service supports the use of both HTTP and HTTPS protocols

Answer(s): A,B,C



Which database utility is suitable for managing databases in a centralized manner?

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

Answer(s): A


Reference:

https://www.alibabacloud.com/help/doc-detail/47550.htm



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

  1. CloudMonitor
  2. ActionTrail
  3. Cloud Config
  4. Object Storage Service (OSS)

Answer(s): A,B,C

Explanation:

OSS is an object storage service.



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