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Subex Senior Data Analyst Interview Questions and Answers

Updated 6 Aug 2024

Subex Senior Data Analyst Interview Experiences

1 interview found

Senior Data Analyst Interview Questions & Answers

user image Narendra Pendurthi

posted on 6 Aug 2024

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(3 Questions)

  • Q1. Questions about SQL
  • Q2. Questions about python dataframes
  • Q3. Difference between random forest and decision tree
  • Ans. 

    Random forest is an ensemble learning method using multiple decision trees to improve accuracy and reduce overfitting.

    • Random forest uses multiple decision trees to make predictions.

    • Decision tree is a single tree structure used for classification and regression.

    • Random forest reduces overfitting by averaging the predictions of multiple trees.

    • Decision tree can be prone to overfitting if not pruned properly.

    • Random forest i...

  • Answered by AI

Skills evaluated in this interview

Interview questions from similar companies

I applied via Naukri.com and was interviewed before Sep 2021. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Properly align and format text in your resume. A recruiter will have to spend more time reading poorly aligned text, leading to high chances of rejection.
View all Resume tips
Round 2 - Aptitude Test 

Entry level aptitude test

Round 3 - One-on-one 

(1 Question)

  • Q1. Introduction and about college project.

Interview Preparation Tips

Interview preparation tips for other job seekers - It was a really good experience working in TCS

I applied via Walk-in and was interviewed before Sep 2021. There were 4 interview rounds.

Round 1 - Aptitude Test 

Reasoning and English

Round 2 - Group Discussion 

Just a minute round about favourite movie

Round 3 - Technical 

(1 Question)

  • Q1. SD , about education questions
Round 4 - HR 

(1 Question)

  • Q1. Regarding shifts, timings and relocation

Interview Preparation Tips

Interview preparation tips for other job seekers - All the best guys. It's very is to crack the interview in TCS

I was interviewed in Aug 2017.

Interview Preparation Tips

Round: Group Discussion
Experience: every one put their views
Tips: just tell anything. no one listen
Duration: 5 minutes

Round: Test
Experience: online test
Tips: do those question which can be solved without usingpen paper first
Duration: 5 minutes
Total Questions: 50

Skills: Relieving Pressure

Interview Questionnaire 

2 Questions

  • Q1. Speak 5 minutes on Delhi metro, Women empowerment, Facebook, Social media, Politics, motivation, trending Etc.
  • Q2. Tell me about your previous day that what you have done from morning to evening?

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident because if you are not confident in front of the interviewed then you can't reply properly to any question of him, You should have to be confident.

I applied via Naukri.com and was interviewed before Feb 2020. There were 7 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. 2+2÷2

Interview Preparation Tips

Interview preparation tips for other job seekers - This interview was a technical one but was majorly a stress test. It lasted for about 1 hour 10 minutes. The interviewer wanted to test both my knowledge and communication skills. Most of the questions asked to me were related to my B.Tech curriculum i.e. computer science related topics. He stressed a lot on the basics related to my project topic. Luckily I was able to answer most of the questions correctly. I tried to answer each question with examples and also used props on the table (like pens, paperweights, pen stands etc.) to explain my theories. It was my first offcampus interview, and I think I did pretty well for a fresher. You need to stay calm and should apply presence of mind. Please go through the job description thoroughly word-by-word and recheck your resume to ensure that you are a best-fit for the position.

I applied via Company Website and was interviewed before Jun 2020. There were 4 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Python data structures
  • Q2. MongoDB database algorithms
  • Ans. 

    MongoDB database algorithms are used for efficient data storage, retrieval, and processing.

    • MongoDB uses various algorithms for indexing, sharding, and aggregation.

    • Indexing algorithms include B-tree, hash, and text search indexes.

    • Sharding algorithms include range-based, hash-based, and zone-based sharding.

    • Aggregation algorithms include map-reduce and aggregation pipeline.

    • MongoDB also uses algorithms for query optimizati

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Be prepared with your basics

Skills evaluated in this interview

I applied via Campus Placement and was interviewed before Oct 2020. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Will u join as a fresher if you belong from the core branch

Interview Preparation Tips

Interview preparation tips for other job seekers - you can go with this if you have good coding skils

I applied via Company Website and was interviewed before Oct 2020. There was 1 interview round.

Interview Questionnaire 

2 Questions

  • Q1. General known about finance and basic skill about reports
  • Q2. Balance sheet Impact

Interview Preparation Tips

Interview preparation tips for other job seekers - Bold and confident answer

I applied via Recruitment Consultant and was interviewed before Nov 2020. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. More about business structure
  • Q2. Yes complete business flow

Interview Preparation Tips

Interview preparation tips for other job seekers - To be clear on business solutions
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Subex Interview FAQs

How many rounds are there in Subex Senior Data Analyst interview?
Subex interview process usually has 1 rounds. The most common rounds in the Subex interview process are Technical.
What are the top questions asked in Subex Senior Data Analyst interview?

Some of the top questions asked at the Subex Senior Data Analyst interview -

  1. difference between random forest and decision t...read more
  2. Questions about python datafra...read more
  3. Questions about ...read more

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Subex Senior Data Analyst Interview Process

based on 1 interview

Interview experience

5
  
Excellent
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Subex Senior Data Analyst Salary
based on 36 salaries
₹5 L/yr - ₹12 L/yr
23% less than the average Senior Data Analyst Salary in India
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3.8/5

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3.4

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3.4

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2.4

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3.2

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2.8

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3.4

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