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nference Data Analytics Intern Interview Questions and Answers
nference Data Analytics Intern Interview Experiences
1 interview found
Harika sai Bolisetty
I applied via Naukri.com and was interviewed in Jul 2024. There were 2 interview rounds.
One python ,2 sql question was asked.
(2 Questions)
- Q1. Valid paranthensis questions
- Q2. Sql - they gave questions .and we need to answer them .on with clause,window function
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Pratik Chaudhari
I applied via Referral
Interview Preparation Tips
Experience: Sent resume to an HR through Linkedin and got the call for interview
Round: Technical Interview
Experience: Had 3 rounds of technical interviews with Product Owner, Product Manager and VP Product. Most of the questions were related to maths, statistics and a few on machine learning. Even though I did not have much background on these, I was asked to give my inputs and try to find a solution. We discussed recommendation engines for Quora, Linkedin and e-commerce websites. Then they asked me how can we remove the bias that comes in the practo ratings of the doctors due to feedback from various channels. How can we identify if the customer is booking an appointment by looking at reviews or ratings? How can we identify spam reviews before publishing them? How can we build a product which can help users write a better quality review? Most of the questions were related to data science and how we can improve the products using data. The data analyst role for which I was being interviewed, was a first of its kind role in Practo. The JD was to basically work with the product team and help them in improving products, building new features etc. using data science/ data analytics.
Skills: Product Sense, Attitude, Data Science, Data Analysis, Basics Of Machine Learning
College Name: IIT Madras
Motivation: being the leader of the healthcare industry, high growth startup, opportunity to solve interesting problems using data
Anonymous
I applied via Campus Placement and was interviewed in Jun 2022. There were 3 interview rounds.
Coding test was taken on hackerearcth pkatform there was a generic problem statement based on networking no need to pass minimum half of the test cases to clear the interview round
(3 Questions)
- Q1. The next round was one on one round in this questions were mainly asked regarding the experience and then they were mainly focussing on the developers who know rails and python
- Q2. Python and rails were majorly needed to clear the roeund
- Q3. Problem statement can be founded on geeks for geeks
Interview Preparation Tips
I applied via Company Website and was interviewed in Apr 2022. There were 2 interview rounds.
(1 Question)
- Q1. Questions on SQL Puzzles Guesstimates
Puzzles
Case Study
Interview Preparation Tips
Interview Preparation Tips
Experience: PAPER DURATION: 3 hours
NO. OF QUESTIONS: 2 (20 marks each)
MAXIMUM MARKS: 20*2 = 40 marksQUESTION 1:
JSON Prettier:-Write a program which takes JSON as input and gives prettified JSONYou need to read JSON from STDIN. Input gives one line of uglified JSON.Output should be formatted JSON. Check the standard output link.Use 2 white spaces (not‘\t’) for one indentation.SAMPLE INPUT:{“group” : {list : [1,2,3]}, “list” : [“a”,”b”,”c”]}SAMPLE OUTPUT:{“group” : {List : [1,2,3]},“list” : [“a”,”b”,”c”]}EXPLANATION: Input will be uglifiedjson in one line and output will be prettified format of that. QUESTION 2:XML parse plus series computationEvaluate an expression given in XML format. Keys will be Expr- contains the entire expression. Elem – contains the digit, sum, Prod- contains two or more keys whose evaluation needs to be summed or multiplied respectively. Sub will contain 2 keys or more, where the second key onwards will have to be subtracted from the first one. Div- will contain 2 keys in which first key will need to be divided by second. SAMPLE INPUT:
20EXPLANATION:Input will be xml file through standard input. End of xml file marked by .
Duration: 180 minutes
Total Questions: 2
College Name: NA
BEKKAM VENKATA ADITYA
I applied via Campus Placement
Interview Questionnaire
4 Questions
- Q1. General questions. Where are you from, tell about yourself etc..,
- Q2. Asked me about the projects which i have mentioned in my resume
- Q3. Some algorithmic questions including data structures. Time complexity, space complexity etc.,
- Q4. How would you design a snake game present in basic nokia mobiles. Just the data structure part and some functions which are used as the game goes on
Interview Preparation Tips
Experience: A bit difficult but sensible way to get started with the selection procedure. Questions purely attack the algorithmic and stastitic aspects.
Tips: Get yourself ready with conceptual clartity regarding algorithms and stastics . Don't be ambitious to attempt all the questions, completely solving one problem would be more than enough for getting through this level.
Duration: 120 minutes
Total Questions: 3
Round: Technical Interview
Experience: Believe me. You never feel inferior, it's really interactive and very friendly. Interviewer gave me a few chances and hints whenever i've gone wrong. Overall interview experience was awesome.
Tips: If you're up to this round, they believe you have the potential. So don't panic if you are unable to answer their questions. Just tell them which aspects which you are comfortable with and they will proceed correspondingly, Just be honest whatsoever.
Skill Tips: Prefer having some revision about the above skills before undergoing the selection process.
Skills: Math Puzzles, Algorithmic Approach To Problem Solving, Data Structures
Duration: 2months
College Name: IIT Madras
Funny Moments: Receiving the offer letter from HR official who visited our campus :)
Agam Mahajan
Interview Preparation Tips
Experience: There was Pool Campus Placement of 4 Colleges together(NIT Jalandhar,NIT Hamirpur ,Candigarh University and CGC Landran ) at Chandigarh University.Written test was taken on Hacker Rank. There were 5 Coding Questions of Linklist , Dynamic Programming,Priority Queues etc .
You didn't have to do All the questions (3 can get you to the next round).
One thing that need to be beware of is that on Hacker Rank Your Draft is Saved every second(or so). So don't copy from the internet and just paste there(they will get to know).
Tips: Make sure you practice lot of Algorithms.
Duration: 120 minutes
Total Questions: 5
Round: Problem Statement
Experience: Only 8 Students were selected for this round
20 mins were given for it
and afterwards each student had personal discussion(10 mins) with them to explain their schema .
3-4 Questions were also asked related to your schema and how to perform a particular query
Tips: You should Be Through with DBMS
Make sure there is no redundant table and Primary keys are marked
Round: Technical Interview
Experience: 2 were selected for the Interview
Firstly they make you very Comfortable and ask how were the previous Rounds.
Then they asked about the two questions of First Round and my approach
Then couple of questions on The design that was made Earlier.
Then there were questions on How Internet Works ,gcc,Linux,git,sql.
Then the Interviewer asked if I have any question
I asked about (as the work on doctor's app) how they know the credibility of a doctor which is enlisted in their app.
Interviewer was really Impressed by the question and told me all about it with all details.
Both were selected
Tips: Be cool in the Interview
Think Loudly and Interact with them well.
If they want you to ask any question ,it should not be related to technical stuff ,it should be related to the company
College Name: NIT JALANDHAR
I applied via Referral
Interview Questionnaire
5 Questions
- Q1. I was asked to optimize the last program mentioned above
- Q2. I was asked in detail about my internship experience and projects
- Q3. I was asked why I did not contribute to any open source projects
- Q4. I was asked to explain the code of my android app from my dropbox account
- Q5. The usual HR questions followed after that
Interview Preparation Tips
College Name: NA
I applied via Telegram and was interviewed in Dec 2023. There were 2 interview rounds.
(2 Questions)
- Q1. Tell me about yourself
- Q2. What is the job culture of zopsmart
- Ans.
The job culture at Zopsmart is collaborative, innovative, and fast-paced.
Collaborative work environment where team members support and help each other
Emphasis on innovation and creativity in problem-solving
Fast-paced atmosphere with opportunities for growth and learning
Open communication and feedback encouraged
Diverse and inclusive workplace culture
Medium level leetcode problem
Selected
I applied via Approached by Company and was interviewed before Feb 2022. There were 4 interview rounds.
Chrome and Firefox Browser automation
Log file tail last n lines where n is configurable. Followup question on how you can optimize it further incase log file size is in TBs and incase it is cluster of servers
(4 Questions)
- Q1. Detailed Technical background check and discussion on past projects.
- Q2. Messaging queue and best practices
- Ans.
Messaging queues are used to manage asynchronous communication between different components of a system.
Use a reliable messaging queue system like RabbitMQ or Apache Kafka
Ensure messages are properly formatted and serialized
Implement message acknowledgement and retry mechanisms
Monitor queue health and performance
Consider message ordering and partitioning for scalability
Avoid long-running tasks in message handlers
- Q3. Binary Search Tree twisted question
- Q4. Map Reduce concept for solving dictionary keywords
- Ans.
MapReduce is a programming model for processing large data sets in parallel.
MapReduce divides the input data into chunks and processes them in parallel.
It consists of two phases: Map and Reduce.
Map function takes input data and converts it into key-value pairs.
Reduce function takes the output of Map as input and combines the values with the same key.
It is used for solving dictionary keywords by mapping each word to a k
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