Apache Spark

RDDs are immutable

• TRUE

• FALSE

Which of the following are properties of Spark transformations?

• They are not computed right away

• They are computed right away

• They are vulnerable to machine failures

Which of the following is not a property of Spark Actions?

• They cause Spark to execute the recipe to transform the source data

• They are the primary mechanism for getting results out of Spark

• They are lazily evaluated

• The results are returned to the driver

RDDs that are reused may be cached

• TRUE

• FALSE

S1: Actions cause parallel computation to be immediately executed

S2: Transformations lazily create new RDDs

• S1: True S2: True

• S1: True S2: False

• S1: False S2: True

• S1: False S2: False

In iterative or repeated computations, broadcast variables avoid the problem of repeatedly sending the same data to workers:

• False

• True

What language spark written in

• Java

• R

• Python

• Scala

Apache Spark RDD stands for

• Resilient Distributed Dataset

• R Distributed Dataset

• Resilient Dataset Distributed

• ReDeclared Dataset

Complete the following:

Spark store data in ___________. which makes it 100 times faster than MapReduce

• memory

• disk

Which of them is not Spark Library?

• Spark SQL

• MLlib (machine learning)

• GraphX (graph)

• Spark Streaming

• Kafka