Fino Paytech Interview Questions and Answers

Q1. Hadoop architecture
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Q2. Spark architecture
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Q3. Difference between stage and task
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A stage is a collection of tasks that perform a specific computation, while a task is a unit of work that is executed on a single executor.
• Stage is a higher-level unit of work that can be broken down into multiple tasks.

• Tasks are individual units of work that are executed on a single executor.

• Stages are used to organize and coordinate tasks in a Spark job.

• Tasks are the actual units of computation that are performed by ...read more
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Q4. Sql questions to solve
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Q5. Scoop
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Q6. Action and transformation in pysaprk
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Actions and transformations are two types of operations in PySpark. Actions return a value to the driver program, while transformations create a new RDD.
• Actions are operations that trigger the execution of the Spark job, such as collect(), count(), and saveAsTextFile().

• Transformations are operations that create a new RDD from an existing one, such as map(), filter(), and reduceByKey().

• Actions are lazy operations, meani...read more
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Q7. Difference between rdd and dataframe
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RDD is a distributed collection of objects, while DataFrame is a distributed collection of data organized into named columns.
• RDD is more low-level and requires manual schema definition, while DataFrame provides a higher-level API with schema inference.

• DataFrames are optimized for processing structured data, while RDDs are more suitable for unstructured data.

• DataFrames support SQL queries and optimizations through Catal...read more
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Q1. Which location available this job
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Q2. You send me interview address please
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Q3. I don't know where is interview
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Group discussion or debate on the concern topics

Banking knowledge on the test

Q1. Tell me what you are goals for next five years?
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