The following aboutHWhich of the descriptions of the Base secondary index is correct?

• A.At this time, it is listed as a new rowkey, and the original rowkey becomes value
• B.all of the abovecorrect
• C.Secondary index compares the column to be searched with rowkey is associated with a prime index table
• D.twoclassIndex queried 2 times

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What items can FusionInsight Manager perform health checks on?

• A.Serve
• B.example
• C.host
• D.Role

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Which of the following descriptions about bucketing is correct in Hive? (Multiple choice)

• A.Different data can be put into different buckets according to the way of buckets
• B.Unsortable in the bucket
• C.The advantage of bucketing is to obtain higher query processing efficiency and make sampling more efficient
• D.You can specify the number of buckets when creating a table

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Which of the following is not a core element of KrbServer?

• A.KDC (Key Distribution Center)
• B.Kerberos Client
• C.Kerberos KDC Client
• D.Kerberos KDC Server

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In the process of data transmission by Flume, after sink takes the data and writes it to the destination, events will be deleted from the channel.

• A.True
• B.False

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