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phData Hadoop Administrator Interview Questions and Answers

Updated 25 Jul 2021

phData Hadoop Administrator Interview Experiences

1 interview found

Interview Questionnaire 

1 Question

  • Q1. They asked questions on hadoop components and architecture.

Interview questions from similar companies

I applied via Campus Placement and was interviewed before Apr 2021. There were 2 interview rounds.

Round 1 - Assignment 

Basic gocube test

Round 2 - One-on-one 

(1 Question)

  • Q1. Company work expectation and past experience questions

Interview Preparation Tips

Topics to prepare for Axtria Associate interview:
  • SQL
  • Python
Interview preparation tips for other job seekers - Go through ur resume and build strong profile

I applied via Recruitment Consulltant and was interviewed before Aug 2021. There were 3 interview rounds.

Round 1 - Aptitude Test 

Basic Logical Reasoning, Maths questions

Round 2 - Technical 

(1 Question)

  • Q1. Basic sql, python, past projects, guesstimates
Round 3 - HR 

(1 Question)

  • Q1. Why Axtria? What you know about Axtria?

Interview Preparation Tips

Interview preparation tips for other job seekers - Just prepare the basics and strong hold on your past work experience.

Interview Questionnaire 

1 Question

  • Q1. Batches,triggers

I applied via Job Fair and was interviewed before Feb 2021. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Code any program in 2 languages
  • Ans. 

    I can code a program in Python and Java.

    • I am proficient in both Python and Java programming languages.

    • I have experience in developing web applications using Python and Java frameworks.

    • I can write efficient and optimized code in both languages.

    • I can develop programs for data analysis, machine learning, and automation using Python.

    • I can develop enterprise-level applications using Java.

    • Examples: Python - a program to scra...

  • Answered by AI
  • Q2. Behavioral questions on why you want to join?

Interview Preparation Tips

Interview preparation tips for other job seekers - be confident and answer how much you know

I applied via LinkedIn and was interviewed in May 2021. There were 4 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Questions on the data structure and algorithms
  • Q2. Questions on the database like MySQL and Cassandra

Interview Preparation Tips

Interview preparation tips for other job seekers - Interviewer is good and understands the response appropriately
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Feb 2023. There were 2 interview rounds.

Round 1 - Aptitude Test 

General aptitude test on an online platform with camera and mic monitoring.

Round 2 - One-on-one 

(1 Question)

  • Q1. One on one round with manager and senior manager. Basic questions about day to day responsibilities and tech stack.

Interview Preparation Tips

Topics to prepare for Axtria Senior Associate interview:
  • Pharma forecasting
  • Advanced Excel
  • Tableau
  • Powerpoint
  • powebi
Interview preparation tips for other job seekers - Be clear with the basics that you’re working on and in-depth on the projects that you’re working on.
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Aptitude Test 

Aptitude test was on hirepro having logical,quat,verbal, technical questions

Round 3 - Technical 

(1 Question)

  • Q1. About project and basics of sql
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I was interviewed in Aug 2023.

Round 1 - Aptitude Test 

Logical, statistics, Aptitude, Data science and analytics

Round 2 - Technical 

(2 Questions)

  • Q1. Difference between Delete and Truncate in SQL
  • Ans. 

    Delete removes specific rows from a table, while Truncate removes all rows from a table.

    • Delete is a DML command, while Truncate is a DDL command.

    • Delete can be rolled back, while Truncate cannot be rolled back.

    • Delete maintains the table structure and indexes, while Truncate resets the table structure and indexes.

    • Delete triggers delete triggers and delete constraints, while Truncate does not trigger any triggers or const...

  • Answered by AI
  • Q2. Assumptions of regression
  • Ans. 

    Assumptions of regression

    • Linearity: The relationship between the independent and dependent variables is linear.

    • Independence: The residuals are independent of each other.

    • Homoscedasticity: The variance of the residuals is constant across all levels of the independent variables.

    • Normality: The residuals are normally distributed.

    • No multicollinearity: The independent variables are not highly correlated with each other.

  • Answered by AI

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Dec 2023. There were 2 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Ridge and lasso regression difference
  • Ans. 

    Ridge and lasso regression are both regularization techniques used in linear regression to prevent overfitting by adding penalty terms to the cost function.

    • Ridge regression adds a penalty term equivalent to the square of the magnitude of coefficients, while lasso regression adds a penalty term equivalent to the absolute value of the magnitude of coefficients.

    • Ridge regression tends to shrink the coefficients towards zer...

  • Answered by AI
  • Q2. Random forest vs decision tree vs xg boost
  • Ans. 

    Random forest is an ensemble method using multiple decision trees, XGBoost is a gradient boosting algorithm that builds trees sequentially.

    • Random forest is an ensemble learning method that builds multiple decision trees and combines their predictions.

    • Decision tree is a single tree model that makes decisions based on features to predict outcomes.

    • XGBoost is a gradient boosting algorithm that builds trees sequentially, op...

  • Answered by AI
Round 2 - HR 

(2 Questions)

  • Q1. Why do you not want to opt for higher studies
  • Q2. What to do when a team member is not collaborating

Interview Preparation Tips

Interview preparation tips for other job seekers - Read about pharma industry

Skills evaluated in this interview

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phData Hadoop Administrator Salary
based on 9 salaries
₹6.7 L/yr - ₹21.8 L/yr
81% more than the average Hadoop Administrator Salary in India
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