In the Hadoop architecture, which of the following components is responsible for planning and execution of a single job?

Which interface is used for accessing the Hive metastore?

What is the function of the following Hadoop command? du

In Hadoop, HDFS snapshots are taken for which of the following reasons? i) For providing protection against user error. ii) For providing backup. iii) For disaster recovery. iv) For copying data from data nodes.

Before being inserted to a disk, the intermediate output records emitted by the Map task are buffered in the local memory, using a circular buffer. Which of the following properties is used to configure the size of this circular buffer?

Which interface can decrease the amount of memory required by UDFs, by accepting the input in chunks?

Which object can be used to distribute jars or libraries for use in MapReduce tasks?

Hadoop systems are _ RDBMS systems.

Where would you configure the size of a block in a Hadoop environment?

In a MapReduce job, which phase runs after the Map phase completes?

Suppose you are trying to finish a Pig script that converts text in the input string to uppercase. What code is needed on line 2 below? 1 data = LOAD '/user/hue/pig/examples/data/midsummer.txt'... 2