Computer Science > QUESTIONS & ANSWERS > Big Data Engineer IBM Explore | 190 Questions with 100% Correct Answers | Updated & Verified | 33 Pa (All)

Big Data Engineer IBM Explore | 190 Questions with 100% Correct Answers | Updated & Verified | 33 Pages

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Which definition best describes RCAC? A. It limits access by using views and stored procedures. B. It grants or revokes certain directory privileges. C. It limits the rows or columns returned based... on certain criteria. D. It grants or revokes certain user privileges - ✔✔C. It limits the rows or columns returned based on certain criteria. You have a distributed file system (DFS) and need to set permissions on the the /hive/warehouse directory to allow access to ONLY the bigsql user. Which command would you run? A. hdfs dfs -chmod 700 /hive/warehouse B. hdfs dfs -chmod 666 /hive/warehouse C. hdfs dfs -chmod 770 /hive/warehouse D. hdfs dfs -chmod 755 /hive/warehouse - ✔✔A. hdfs dfs -chmod 700 /hive/warehouse What is an advantage of the ORC file format? A. Efficient compression B. Big SQL can exploit advanced features C. Supported by multiple I/O engines D. Data interchange outside Hadoop - ✔✔A. Efficient compression You need to enable impersonation. Which two properties in the bigsql-conf.xml file need to be marked true? A. $BIGSQL_HOME/conf B. DB2COMPOPT C. bigsql.alltables.io.doAs D. bigsql.impersonation.create.table.grant.public E. DB2_ATS_ENABLE - ✔✔C. bigsql.alltables.io.doAs [Show More]

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