Apache Spark Multiple Choice Questions – Check Your Spark Knowledge

The primary Machine Learning API for Spark is now the _____ based API

Which of the following is a module for Structured data processing?

SparkSQL translates commands into codes. These codes are processed by

Spark SQL plays the main role in the optimization of queries.

This optimizer is based on functional programming construct in

Catalyst Optimizer supports either rule-based or cost-based optimization.

Which of the following is not true for Catalyst Optimizer?

Which of the following is true for the tree in Catalyst optimizer?

Which of the following is true for the rule in Catalyst optimizer?

Which of the following is not a Spark SQL query execution phases?

In Spark SQL optimization which of the following is not present in the logical plan –

In the analysis phase which is the correct order of execution after forming unresolved logical plan
a. Search relation BY NAME FROM CATALOG.

b. Determine which attributes match to the same value to give them unique ID.

c. Map the name attribute

d. Propagate and push type through expressions

the Physical planning phase of Query optimization we can use both Coast-based and Rule-based optimization.

DataFrame in Apache Spark prevails over RDD and does not contain any feature of RDD.

Which of the following are the common feature of RDD and DataFrame?

Which of the following is not true for DataFrame?

In Dataframe in Spark Once the domain object is converted into a data frame, the regeneration of domain object is not possible.

DataFrame API has provision for compile-time type safety.

We can create DataFrame using:

Which of the following is the fundamental data structure of Spark