What is the difference between SparkSession and SparkContext in Spark?
Spark/Big Datahard
3
What are traits in Scala, and how are they different from classes?
Python/Codingeasy
4
What are Airflow Operators? Give examples.
Cloud/Toolseasy
5
How would you read data from a web API? What steps would you follow after reading the data?
General/Othermedium
6
Architecturally, how would you justify or challenge Hadoop vs. a cloud-native data lake (S3 + EMR/Databricks) for a greenfield enterprise data platform? Discuss scalability ceilings, cost model trade-offs, and operational complexity.
Spark/Big Datahard
7
How would you read data from a web API using PySpark?
Spark/Big Datamedium
8
What is broadcasting in Spark, and why is it used? Can you give an example of its use?
Spark/Big Datamedium
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