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

Which database utility is suitable for database migration?

• DMS
• DBS
• DTS
• DAS

Which of the following web applications are suitable for deployment on Simple Application Server (SAS), as compared with ECS? (Number of correct answers: 3)

• Quickly build a personal blog website
• Quickly build a small e-commerce website
• Quickly build serverless site using Function Compute
• Set up a NoSQL database service
• Quickly build a personal, learning, or test environment

Which command is used to get the Docker daemon information?

• docker info
• docker version
• docker pull
• docker image

Which configuration language does Terraform support?

• Python
• XML
• HCL
• YAML

Cloud Config tracks configuration changes of your resources and evaluates configuration compliance.

• True
• False

You are responsible for the system operations of a product and have implemented the cloud infrastructure in the Alibaba Cloud platform. Whenbusiness loads increase, _______ automatically adds ECS instances toensure sufficient computing capabilities. When business loads decrease, thesame service automatically removes ECS instances to save costs. Whichservice are you using?

• Server Load Balancer (SLB)
• Auto Scaling
• Resource Orchestration Service (ROS)
• Resource Access Management (RAM)

When using Alibaba Cloud CDN, a visitor's request will first be routed to a CDN edge node, and in the event of a cache miss at this edge node, the node will fetch data from the origin site (back-to-source request). Even with this redirection, it is possible for the origin site to see the visitor's real IP address. Which of the following statements about obtaining the visitor's real IP address are correct? (Number of correct answers: 2)A visitor's real IP address can only be obtained by modifying the site or web application.

• visitor's real IP address is stored in the 'X-Forwarded-For' HTTP header. It can be directly obtained via Apache or NGINX logs.
• In Windows, if IIS is used, after installing the 'F5XForwardedFor' extension module, the visitor's real IP address can be seen via IIS logs.
• You can activate the 'record visitor's real IP' function in the Alibaba Cloud CDN console, then you can directly view visitor's IP addresses from the Alibaba Cloud CDN access logs.

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)

CloudMonitor is for tracking operations on cloud resources.

• True
• False

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

• True
• False