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Is it recommended to use Global Variables in a program that implements go routines?

What do you know about modular programming?

Provide the syntax to perform a groupBy operation on a Spark DataFrame in SQL.

How does Spark handle data serialization?

What is the role of SparkContext in Spark?

Difference between GraphX and GraphFrames libraries in Spark

Explain the concept of broadcast variables in Spark.

How does Spark handle memory management?

What are the different cluster deployment modes in Spark?

How does Spark integrate with other big data tools and frameworks?

Difference between RDD-based and DataFrame-based APIs in Spark

What is the purpose of Spark’s accumulator variables?

How do you specify the number of partitions when reading a file in Spark using the DataFrame API?

Explain the syntax for performing a join operation between two Spark DataFrames in Python.

Explain the difference between DataFrame and RDD in Spark.

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