Impetus Technologies Interview Questions, Process, and Tips

Q1. Write a program in python demonstrating use of wrapper class Write a code to demonstrate use of generator Optimised prime number solution 2 Code in pyspark where basically i was ask to use explode function...read more
Ans. 
Demonstrates Python wrapper class, generator for primes, PySpark explode, window functions, and cache vs persist.
• Wrapper Class: A class that encapsulates a primitive data type to provide additional functionality. Example: int, float wrappers.

• Generator: A function that yields values one at a time, allowing iteration without storing all values in memory. Example: def prime_gen():

• Optimized Prime Number Solution: Use Sieve...read more
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Q2. More of current project
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3 coding questions and 3 SQL questions came

Q1. Questions related to projects, OOPS, DSA questions one from array, another from string, and basic questions from DBMS, OS, Networking, and rest were from resume
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Q2. Reverse a string
Ans. 
Reverse a given string
• Create a new empty string

• Iterate through the original string in reverse order and append each character to the new string

• Return the new reversed string
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Q3. Array based question given by the interviewer
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Q1. Similar to that of previous technical round but in-depth questions were asked, more focused on projects and resume based questions
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Q1. They put us on hold due to market scenario
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React application to fetch data and add search functionality.

Q1. What is my notice period?
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Q2. What is my current salary?
Ans. 
It is not appropriate to ask about current salary during an interview.
• It is considered unprofessional and inappropriate to ask about current salary during an interview.

• Focus should be on the candidate's skills, experience, and fit for the role.

• Employers should instead discuss salary expectations or ranges for the position.
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Q1. DOM real and virtual
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Q2. Reconclition and how it words
Ans. 
Reconciliation is the process of ensuring two sets of records are in agreement.
• Reconciliation involves comparing financial transactions to ensure accuracy.

• It is commonly used in accounting to match bank statements with internal records.

• Reconciliation helps identify discrepancies and errors that need to be resolved.

• Automated tools like accounting software can streamline the reconciliation process.
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Q3. Diff b/w the == and ===
Ans. 
The == operator checks for equality, while the === operator checks for strict equality.
• The == operator performs type coercion before comparing two values, while the === operator does not.

• Using === is generally considered safer and more predictable in JavaScript.

• Example: 1 == '1' will return true, but 1 === '1' will return false.
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