Nineleaps Technology Solutions Interview Questions, Process, and Tips

Q1. How does spark run in the background?
Ans. 
Spark runs in the background using a cluster manager to allocate resources and schedule tasks.
• Spark uses a cluster manager (such as YARN, Mesos, or Kubernetes) to allocate resources and schedule tasks.

• Tasks are executed by worker nodes in the cluster, which communicate with the driver program.

• The driver program coordinates the execution of tasks and manages the overall workflow.

• Spark's DAG scheduler breaks the job into...read more
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Q1. Write a python program to find the most occurred number in sequence
Ans. 
Python program to find the most occurred number in a sequence
• Iterate through the sequence and count the occurrences of each number using a dictionary

• Find the number with the highest count in the dictionary

• Handle edge cases like empty sequence or multiple numbers with the same highest count
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Q1. SQL questions, puzzle
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Q2. Cohort analysis
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Q3. Guesstimates questions were asked
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Q4. Project overview
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Q5. Tableau basicquestions
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Q1. Tell me about urself
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Q2. About my skill sql, python,
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Basics of SQL was asked, having good foundation will really help in clearing this round