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Alibaba Cloud ACA-Operator Exam Overview:

Alibaba Cloud ACA-Operator Exam Syllabus Topics:

FAQs for Alibaba Cloud ACA System Operator Certification Candidates

Alibaba Cloud ACA System Operator Certification Sample Questions:

Question 1

Which Alibaba Cloud service is used to manage cloud computing resources including the deployment?

A. Resource Orchestration Service (ROS)
B. Operation Orchestration Service (OOS)
C. Maintenance Orchestration Service (MOS)
D. Resource Access Management (RAM)

Question 2

In order to deal with sudden spikes in traffic, Company A uses Alibaba Cloud Auto Scaling to set up an alarm trigger task (growing the Scaling Group when the average memory utilization on ECS instances exceeds 80%). During the test, it was found that the alarm task was not executed successfully. Which of these could be possible causes? (Number of correct answers: 3)

A. The instance types chosen in the Scaling Configuration are out-of-stock in the Alibaba Cloud Region where the Scaling Group is located
B. Before triggering the alarm task, the number of instances in the group has reached the maximum number of instances allowed (MaxSize)
C. The ECS instances in the Scaling Group have not yet installed the CloudMonitor monitoring agent
D. The number of instances in the current group exceeds the "expected number of instances" for the Scaling Group

Question 3

Which of the following features are unique to Alibaba Cloud Container Registry, as compared with Docker Hub? (Number of correct answers: 2)

A. For source code hosted on websites outside China, Container Registry can use servers outside China to build Docker images, even when you are using a Container Registry instance in Mainland China.
B. You can create and delete image repositories in different regions based on your needs.
C. Container Registry can automatically build new Docker images when source code changes.
D. You can set your image repository access to public or private.

Question 4

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. Resource Orchestration Service (ROS)
B. Resource Access Management (RAM)
C. Auto Scaling
D. Server Load Balancer (SLB)

Question 5

ApsaraDB for HBase is a cost-effective cloud-based intelligent SQL service that is of high scalability and compatible with the open source HBase.

A. True
B. False

Solutions: