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Zifo RnD Solutions Technical Analyst Interview Questions and Answers
Zifo RnD Solutions Technical Analyst Interview Experiences
1 interview found
Anonymous
I applied via Instahyre and was interviewed in Jan 2024. There was 1 interview round.
(2 Questions)
- Q1. DHCP where it is used
- Ans.
DHCP is used to automatically assign IP addresses to devices on a network.
DHCP is used in both small and large networks.
It is commonly used in home networks to assign IP addresses to devices like computers, smartphones, and smart TVs.
DHCP is also used in enterprise networks to manage IP address allocation for a large number of devices.
It simplifies network administration by eliminating the need for manual IP address co...
- Q2. DHCP is Domain host control protocol
Skills evaluated in this interview
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I applied via Naukri.com and was interviewed before Apr 2021. There were 2 interview rounds.
(2 Questions)
- Q1. Basics of python, project related questions
- Q2. Basic SQL, few simple problem solving questions
(2 Questions)
- Q1. Interests, hobbies ,general HR questions
- Q2. Expected hike, salary, work timings preferred
Interview Preparation Tips
I applied via Naukri.com and was interviewed in Mar 2021. There were 3 interview rounds.
Interview Questionnaire
3 Questions
- Q1. SQL window functions
- Q2. Basic SQL queries
- Q3. Basic Power BI
Interview Preparation Tips
Selected
I applied via Walk-in and was interviewed before Aug 2022. There were 4 interview rounds.
Test of SQL, Tableau and other skills based on your resume on Skillate
(1 Question)
- Q1. SQL and other skills technical questions
(1 Question)
- Q1. Manager round / 2nd technical round
Selected
I appeared for an interview before Apr 2024, where I was asked the following questions.
- Q1. SQL joins, window functions, scenario based questions on data cleaning, data processing
- Q2. What strategies can be employed for the optimization of ETL processes and Spark jobs?
- Ans.
Optimize ETL processes and Spark jobs through efficient design, resource management, and performance tuning.
Use partitioning to improve data processing speed. For example, partitioning large datasets by date can speed up queries.
Implement data caching in Spark to store intermediate results, reducing the need for repeated computations.
Optimize data formats by using columnar storage formats like Parquet or ORC, which imp...
I applied via Naukri.com and was interviewed in Jul 2021. There were 3 interview rounds.
Interview Questionnaire
5 Questions
- Q1. Given an input string "neeraj chopra" Write Python code to get output string as "jareen arpohc".
- Ans.
The Python code to get the output string as 'jareen arpohc' from the input string 'neeraj chopra' is provided.
Split the input string into individual words
Reverse each word
Join the reversed words with a space in between
- Q2. Given a list of 10 numbers. Write a code to list only even numbers out of the original list.
- Ans.
Code to list even numbers from a given list of 10 numbers.
Loop through the list of numbers
Check if each number is even using the modulo operator
If the number is even, add it to a new list of even numbers
Return the new list of even numbers
- Q3. SQL queries using Window Functions Rank() , Dense Rank() etc
- Q4. Reversal of string in python code
- Q5. SQL queries in general.
Interview Preparation Tips
Basic Python , SQL knowledge is enough to crack the interviews.
Skills evaluated in this interview
I applied via Approached by Company
(2 Questions)
- Q1. Sql is the most important , Focus on Joins ,Sub query and Sql basics
- Q2. Joining tables with different joins
- Ans.
Joining tables with different joins in SQL
Use INNER JOIN to return rows when there is at least one match in both tables
Use LEFT JOIN to return all rows from the left table and the matched rows from the right table
Use RIGHT JOIN to return all rows from the right table and the matched rows from the left table
Use FULL JOIN to return rows when there is a match in one of the tables
Skills evaluated in this interview
(1 Question)
- Q1. Its more about the previous roles & project
Interview Questionnaire
2 Questions
- Q1. Fsmo roles
- Q2. Office 365
I applied via Campus Placement and was interviewed in Aug 2024. There were 2 interview rounds.
(3 Questions)
- Q1. Question related to oops
- Q2. Question related to coding
- Q3. I was rejected after 2nd round
(2 Questions)
- Q1. Question related to advanced topic in oops
- Q2. Question related to coding
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Rating in categories
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