Apache Spark

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

• DataFrame

• Dataset

• RDD

• All of the mentioned

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

• GraphX

• MLlib

• Spark SQL

• Spark R

SparkSQL translates commands into codes. These codes are processed by

• Driver nodes

• Executor Nodes

• Cluster manager

• None of the Mentioned

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

• True

• False

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

• Analysis

• Logical Optimization

• Execution

• Physical planning

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

• True

• False

Which of the following is not true for DataFrame?

• We can build DataFrame from different data sources. structured data file, tables in Hive

• The Application Programming Interface (APIs) of DataFrame is available in various languages

• Both in Scala and Java, we represent DataFrame as Dataset of rows.

• DataFrame in Apache Spark is behind RDD

We can create DataFrame using

• Tables in Hive

• Structured data files

• External databases

• All of the above

Which of the following is the fundamental data structure of Spark?

• RDD

• DataFrame

• Dataset

• None of the mentioned

Is MLlib deprecated?

• Yes

• No