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WorksheetsSpark
Total questions: 10
Worksheet time: 10mins
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
