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Content test:
A.HFile.direct()
B. HFile.access()
C. HFile.main()
D. HFile.more()
A. HDFS Namenode
B. HDFS datanode
C. As a client to HDFS server
D. TAsktrackers
A. Record updates
B.Record Deletes
C. Bulk export
D.Bulk Load
A.Equal to number of regionserver
B.Half of the number of regionserver
C.Double the number of regionserver
D.One
A.Displaying all columns of a specific column family
B.Add new column family to the table
C.Add a group of column families to a table
D.Add a column to a column family
A. Allowed
B.Not allowed
C.Possible using a third staging table
D.Only one column family can be inserted at a time
A.Regiontab and Metatab
B.Regionbase and Metabase
C.ROOT- and .META.
D.ROOT- and .REGION.
A. Immediately after the changes
B.Only after a major compaction
C.Only after a minor compaction
D.Restarting the Regionserver
A.Same number of columns
B.Same number of column families
C.Different number of columns
D.Different number of column families
A.Dropped directly
B.Dropped after disabling
C.Only disabled, not dropped
D.Only compressed, not dropped
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