Which of the following are the advantages of the disk-level encryption in HDFS?

For a file named abc, which of the following Hadoop commands is used for setting all the permissions for owner, setting read permissions for group, and setting no permissions for other users in the system?

Which permission level is NOT allowed in HDFS authorization?

Which join operations are NOT supported by Hive?

Which command is used for creating a keytab file used in Kerberos authentication?

Which one is the advanced server-side configuration property of YARN that is used for enabling the deletion of aged data present in the timeline store?

State _ between the JVMs in a MapReduce job

If you started the NameNode, then which kind of user must you be?

Which library should be used to unit test MapReduce code?

In what form is Reducer output presented?

Which command imports data to Hadoop from a MySQL database?