AliCloud ACA-Operator ACA System Operator Certification Online Training
AliCloud ACA-Operator Online Training
The questions for ACA-Operator were last updated at Dec 24,2024.
- Exam Code: ACA-Operator
- Exam Name: ACA System Operator Certification
- Certification Provider: AliCloud
- Latest update: Dec 24,2024
Which command is used to get the Docker daemon information?
- A . docker info
- B . docker version
- C . docker pull
- D . docker image
When you use SQL statements to access tables in a database without an index configured, a full table scan will be performed. If a table contains a large amount of data, this kind of scan will access a large amount of data and consume a lot of the database’s resources.
Which of the following options are best practices when creating database indexes? (Number of correct answers: 3)
- A . Add an index to a field that is frequently queried but does not frequently perform add, delete, or modify operations.
- B . Applies indices to fields to contain many records.
- C . A table should not contaiiAiore than 6 indexed fields.
- D . Apply indexing to fields of fixed length (preferably not long fields).
- E . Adhere to the rightmost prefix principle when using composite indexes
Which of the following steps is NOT mandatory when creating an API through Alibaba Cloud API Gateway?
- A . Define basic API information
- B . Attach a domain name
- C . Define API Request parameters
- D . Define the API backend service
Which of the following statements about ECS Snapshot is NOT correct?
- A . You can manually create snapshots
- B . You can create automatic snapshots
- C . You can roll back a disk by using a snapshot
- D . You can create an ECS instance from a snapshot
Your company decided to replicate the whole cloud environment in another region 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?
- A . You can provision multiple ECS instances in multiple regions, thereby leveraging automatic high availability across regions
- B . You can provision multiple SLB instances in multiple regions, thereby leveraging automatic high availability across regions
- C . You can use DNS to resolve domain names to the IP addresses of multiple ECS instances running in different regions
- D . You can use DNS to resolve domain names to the IP addresses of multiple SLB instances running in different regions
Which Alibaba Cloud service is an automated operations and maintenance (O&M) service to execute O&M tasks?
- A . Operation Orchestration Service (OOS)
- B . Maintenance Orchestration Service (MOS)
- C . Resource Orchestration Service (ROS)
- D . Resource Access Management (RAM)
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
Which of the following options correctly describes Cloud Monitor Custom Monitoring and Custom Events? (Number of correct answers: 2)
- A . Custom Events is used for collection of continuous event type data, queries, and alarms
- B . Custom Events is for periodic and continuous collection of time series monitoring data, queries, and alarms
- C . Custom Monitoring is used for periodic and continuous collection of time series monitoring data, queries, and alarms
- D . Custom Monitoring is used for collection of non-continuous event data, such as information about ECS instance restarts
________________ is a fully-managed event-driven computing service that allows you to run code in an elastic and reliable way?
- A . Function Compute
- B . Serverless Workflow
- C . Elastic Compute Service (ECS)
- D . Batch Compute
Which configuration language does Terraform support?
- A . Python
- B . XML
- C . HCL
- D . YAML
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