300 Questions for OREILLY DataBricks Apache Spark Developer Certification + 5 Page Revision notes

Question 5 : In Spark Shell what can you do 

1.     Allow you to interact with data that is distributed on disk across many machines

2.     Allow you to interact with data that is distributed in memory across many machines

3.      Allow you to interact with data that is in memory on a single machine.

4.    1 and 3

5.    All 1,2 and 3 

Correct Answer : 5  Exp : Unlike most other shells, however, which let you manipulate data using the disk and memory on a single machine, Spark's shells allow you to interact with data that is distributed on disk or in memory across many machines, and Spark takes care of automatically distributing this processing.

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