Free Access AlibabaCloud.ACA-Developer.v2022-02-08.q32 Practice Test (Page 2)

Question 1

To meet data analytics requirements on large datasets, which of these databases can meet the demand for structured and semi-structured storage for almost all types of data, albeit with limited support for strong transactions?

A.HBase

B.TSDB

C.RDSMariaDB

D.OceanBase

Question 2

Which data format is NOT supported by Alibaba Cloud Message Service?

A.XML

B.VERBOSE

C.JSON

D.SIMPLIFIED

Question 3

You have a Java application with source code stored on GitHub. Now you want to build a container image using this code, and store it on a Container Registry instance located in Mainland China. Which of the following is the simplest, lowest maintenance option?

A.Associate your Alibaba Cloud Container Registry instance with your GitHub repository, and upload the Java code and Dockerfile to GitHub Set u Jenkins environment to automate the process of building the container image and pushing it to your Container Registry instance.

B.Associate your Alibaba Cloud Container Registry instance with your GitHub repository, and upload the Java code and Dockerfile to GitHub Th Container Registry's built-in build service, configuring a rule that will rebuild your container image whenever your GitHub code is updated

C.Upload the Dockerfile to GitHub for version control, then download it together with the Java code to your local device, compile and pack container image, and upload the image to Alibaba Cloud Container Registry via docker push .

D.Download the Java code from GitHub to your laptop, build the Docker image using a local Dockerfile, and use docker push to upload It to Container Registry.

Question 4

A developer recently discovered that their company's application is beginning to suffer performance degradation as a result of increased user demand for the application. After some analysis, the major bottleneck is discovered to be the RDS database instance which hosts the company's databases, "A" and "B". The developer plans to use the DTS data migration solution to move one of the databases to a new RDS instance.
Which of the following statements is correct? (Number of correct answers: 3)

A.After disconnecting the connection between the source instance database B and the application, you need to log in to the source database B to check the session messages to ensure that no new sessions performed write operations.

B.The code for the application will have to be rewritten once this migration is complete.

C.The database account used for data migration must have read and write permissions. To ensure database security, please delete the database account used for data migration or reclaim related write permissions after data migration is completed.

D.Create a reverse data migration task and start it to migrate subsequent incremental data from target Instance database B to source instance database B.

Question 5

Which of the following options correctly describes CloudMonitor Custom Monitoring and Custom Events?
(Number of correct answers; 2)

A.Custom Monitoring is used for periodic and continuous collection of time series monitoring data, queries, and alarms.

B.Custom Events are used for collection of continuous event type data, queries, and alarms.

C.Custom Events is 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.

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