Explain the operation reduce() in Spark?
How is streaming implemented in spark?
What is DStream in Apache Spark Streaming?
Can we run spark without hadoop?
What are the languages supported by apache spark?
How many ways we can create rdd in spark?
How to identify that given operation is transformation/action in your program?
What is a DStream?
What is spark client?
Explain the use of broadcast variables
What are the various data sources available in SparkSQL?
What is spark architecture?
What does spark do during speculative execution?
List some commonly used Machine Learning Algorithm Apache Spark?
What is shuffle in spark?