Alibaba ACA Database ACA-Database Exam Practice Test

Which of the following statements about MongoDB is NOT true?

Data Management (DMS) provides features related to data warehouse development to support task orchestration and recurring scheduling. Which of the following features are being developed? (Number of correct answers: 3)

Which of the following scheduling tools are supported by AnalyticDB for MySQL? (Number of correct answers: 2)

From which of the following data sources or databases can Data Lake Analytics (DLA) read data for analysis? (Number of correct answers: 6)

PolarDB for MySQL uses shared distributed storage and supports dual-zone deployment by default. How many data replicas are available across the two zones?

Which of the following is the most efficient backup in ApsaraDB for MongoDB?

You need to migrate a database that has a storage capacity of 50 GB to the cloud and can tolerate a service downtime of half an hour. In this case, which of the following migration methods is the optimal choice to migrate data to the cloud in terms of stability and availability?