Online Access Free ACA-Operator Practice Test

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

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

In Alibaba Cloud, a developer finds that the ECS instance he created does not have public IP assigned. The API method used was "CreateInstance". Which of the following is the most likely reason?

• A.The CreateDisk API call was not made
• B.The CreateSecurityGroup API call was not made
• C.The ECS was not restarted after being created
• D.The developer did not call AllocatePublicIpAdress (an additional API call), which is needed to assign a public IP

A developer is making the ModifyDBInstanceSpec API call to change the specifications of an RDS instance, but the operation fails. Why could this be? (Number of correct answers: 3)

• A.The targeted RDS instance is a disaster recovery instance
• B.No instance type (specification) was included in the request parameters
• C.The instance has a backup task being executed
• D.The instance is in the "running" state

Which of the following options are correct for Multipart Upload and Resumable Upload in Object Storage Service (OSS)? (Number of correct answers: 3)

• A.Use Multipart Upload to upload multiple parts of a file in parallel to speed up the upload process
• B.After an upload is interrupted, the portions of the file which have successfully uploaded prior to the interruption will be saved in the OSS bucket
• C.Multipart Upload is usually used when the size of the file to be uploaded is large
• D.If the upload fails due to an accident during the uploading of fragments, you need to upload all the fragments again

Which command is used to get the Docker daemon information?

• A.docker image
• B.docker info
• C.docker pull
• D.docker version