Regarding Redis cluster topology information, which of the following descriptions is correct?

An application needs to interact with two FusionInsight clusters at the same time: it needs to access both the HBase service of cluster 1 and the Hive service of cluster 2;
So which of the following operations are necessary? (multiple choice)

When the HDFS client writes files with N copies, which of the following is correct about the writing process? (multiple choice)

The rowkey design of HBase table is a very important development and design link.
Suppose there are the following scenarios. The most frequent query scenario is based on the mobile phone number to query the historical call records every month and every six months. Which of the following rowkey designs is the best?

In FusionInsigt HD, which of the following components can be used for data collection? (multiple choice)