Which of the following source database engines does Huawei Cloud DRS support? (Multiple choice)

Hive allows users to use SQL statements to query the data stored in the Hadoop cluster.

Flume is a distributed and highly available massive log aggregation system. Which of the following descriptions about Fume components is wrong?

Users plan to monitor and alert the business systems deployed on HUAWEI CLOUD. The alert notification needs to be notified by email and SMS. Which cloud service of the following options should be used?

A company deployed its own e-commerce system using HUAWEI CLOUD services, and stored daily transaction records in HUAWEI CLOUD 0BS, accumulating day by day, taking up a lot of storage space, and more than a year of transactions Records are hardly used any further. Which of the following ways can tenants change the storage type to minimize costs? (Multiple choice)