Impetus Technologies Interview Questions, Process, and Tips

Q1. Serious questions on Spark theory and it's architecture
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Q2. Frequency of a number in a list
Ans. 
Calculate the frequency of a number in a list
• Iterate through the list and count occurrences of the number

• Use a dictionary to store the count of each number

• Return the count of the specified number
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Q1. Similar type of questions were asked
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Q2. Questions regarding lead and lag functions in pyspark and sql
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Q1. Tell me about your current project.
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Q2. 2 coding questions from pyspark.
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Q3. What is Broadcast Join?
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Q4. How do you handle out of memory issue in spark?
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Q1. Basics of DE and project
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Q1. Indepth Pyspark.
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A dataset from "Bank" was provided, requiring preprocessing, exploratory data analysis (EDA), and modeling using a predetermined model.

Q1. Print all the permutations of a parenthesis for a given value of n. Eg. If n=3 , '((()))','()()()'..so on
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Q2. Given a string str find and print the occurence of each repeated character in sequence.
Ans. 
Find and print the occurrence of each repeated character in sequence in a given string.
• Iterate through the string and keep track of the count of each character.

• Print the character and its count whenever a character is repeated in sequence.
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Q3. Questions related to projecrs
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Q1. They asked me about 3-tier aws architecture
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Q2. Basic questions on ansible and terraform
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Q1. Asked about boto3 and lambda code
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Q1. Asked to write docker and ansible scripts
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