Free ACA System Operator Certification Exam ACA-Operator Exam Practice Test

Which Alibaba Cloud service is an automated operations and maintenance (O&M) service to execute O&M tasks?

• Operation Orchestration Service (OOS)
• Maintenance Orchestration Service (MOS)
• Resource Orchestration Service (ROS)
• Resource Access Management (RAM)

If you have a Node.js based application and you plan to migrate it to Alibaba Cloud Function Compute, which of the following steps is unnecessary?

• Manually install the Node.js in the Function Compute console
• Create a single web application and upload the corresponding code package via the Function Compute console (or fcli)
• Configure program startup commands and access ports in the Function Compute console
• Start and verify the application in the Function Compute console

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

• DMS
• DBS
• DTS
• DAS

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 Cloudproduct can you use to create a log of user operations?

• CloudMonitor
• ActionTrail
• Cloud Configo
• Resource Group

Which of the following statements about ECS Snapshot is NOT correct?

• You can manually create snapshots
• You can create automatic snapshots
• You can roll back a disk by using a snapshot
• You can create an ECS instance from a snapshot

Which database utility is suitable for database migration?

• DMS
• DBS
• DTS
• DAS

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

• Container Registry can automatically build new Docker images when source code changes.
• 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.
• You can create and delete image repositories in different regions based on your needs.
• You can set your image repository access to public or private.

Which command should you run to create the resources described in the Terraform scripts?

• terraform init
• terraform plan
• terraform destroy
• terraform apply

How does Cloud Config get permission to gather information about other Alibaba Cloud services?

• An Access Key
• A RAM Role
• By storing a copy of your password
• It gets automatic permission to access everything, because it is an Alibaba Cloud service

Your company decided to replicate the whole cloud environment in anotherregion and use it as a cross-region failover in disaster recovery scenarios.Your current environment includes Elastic Compute Service (ECS) instances,Server Load Balancer (SLB) instances and Relational Database Service(RDS) instances. Which of the following statements is correct?

• You can provision multiple ECS instances in multiple regions, thereby leveraging automatic high availability across regions
• You can provision multiple SLB instances in multiple regions, thereby leveraging automatic high availability across regions
• You can use DNS to resolve domain names to the IP addresses of multiple ECS instances running in different regions
• You can use DNS to resolve domain names to the IP addresses of multiple SLB instances running in different regions