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Verizon Data Engineer Interview Questions and Answers
Verizon Data Engineer Interview Experiences
4 interviews found
Anonymous
I applied via Naukri.com and was interviewed in Nov 2024. There were 2 interview rounds.
It was basic coding to test the Python skills like reading data from local and uploading in cloud then some basic dag related questions
(4 Questions)
- Q1. Clustering and partition difference in data warehousing solutions
- Ans.
Clustering involves grouping similar data together, while partitioning involves dividing data into smaller, manageable sections.
Clustering is used to group similar data points together based on certain criteria, such as customer segments or product categories.
Partitioning involves dividing a large dataset into smaller, more manageable sections for easier data retrieval and processing.
Clustering is often used for data a...
- Q2. What are the different approaches to Optimising SQL
- Ans.
Different approaches to optimizing SQL include indexing, query optimization, and database design.
Use indexing to improve query performance
Optimize queries by avoiding unnecessary joins and using appropriate functions
Design the database schema efficiently to reduce redundancy and improve data retrieval speed
- Q3. Spark and it’s architecture
- Q4. Finding the count of Item bought by an customer from Flipkart during a year excluding February
- Ans.
To find the count of items bought by a customer from Flipkart during a year excluding February, you need to aggregate the data and filter out February transactions.
Aggregate the data by customer and item purchased
Filter out transactions from February
Count the number of items bought by each customer
Interview Preparation Tips
I applied via Campus Placement
Resume short listing
2 coding questions easy with aptitude questions as well
Selected
I applied via Recruitment Consulltant and was interviewed before Feb 2023. There were 2 interview rounds.
(2 Questions)
- Q1. Spark and SQL and previous experience
- Q2. Scenario based questions
(1 Question)
- Q1. Project architect
(1 Question)
- Q1. Questions on spark and kafka
(1 Question)
- Q1. How soon you will join
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I applied via Referral and was interviewed before May 2020. There were 5 interview rounds.
Interview Questionnaire
1 Question
- Q1. More on oops and design patterns
Interview Preparation Tips
I was interviewed in Mar 2017.
Interview Questionnaire
8 Questions
- Q1. Basics of networking
- Q2. Data structures
- Q3. Sql
- Q4. Introduction
- Q5. Final year project
- Q6. Why should I hire you?
- Ans.
I have the technical skills, experience, and passion to deliver high-quality software solutions.
I have a strong background in programming languages such as Java, Python, and C++.
I have experience working on complex software projects and collaborating with cross-functional teams.
I am passionate about staying up-to-date with the latest technologies and trends in software development.
I am a quick learner and have a strong...
- Q7. Why Ericsson?
- Ans.
Ericsson is a global leader in telecommunications technology with a strong focus on innovation and career development.
Global leader in telecommunications technology
Strong focus on innovation
Opportunities for career development
- Q8. About relocation
Interview Preparation Tips
Experience: The test which I wrote was based on cocubes. quants was easy, one can easily score 50 percent if they refer rs agarwal and logical was easy but it takes more time and verbal was neither easy nor tough. One thing I want to advice try doing verbal first so that u can save time and then go to quant and logical. After the test we got the results out of 160 students 51 cleared the test. I was one among them.
Duration: 45 minutes
Total Questions: 45
Round: Technical Interview
Experience: Keep ur cool in the technical. people are friendly. Think before you answer twice they may ask u puzzles as well. So be prepared for it. Final year project is a must, they are gonna ask u the details how you implement stuffs in your project. After my technical out of 51 students around 30 cleared this round. I was one among them.
Round: HR Interview
Experience: Don't be scared guys. Hr is just a casual one. finally around 15 were selected from my college including me. I am very happy with the result. best of luck guys. Do well!!!
Tips: Keep your cool. stay confident that's all I can tell. Once you clear technical one can easily clear Hr round.
Skills: Communication, Technical Skill
College Name: JSS Academy of Technical Education - JSSATE
Interview Questionnaire
4 Questions
- Q1. Write a C code for printing Febonacci Series upto n elements
- Ans.
C code for printing Fibonacci Series upto n elements
Declare three variables to store the current, previous and next numbers in the series
Initialize the previous and current variables to 0 and 1 respectively
Use a loop to print the next number in the series by adding the previous two numbers
Loop should run n times to print n elements in the series
- Q2. Question related to family background
- Q3. What are your hobbies?
- Q4. What are your strengths and weaknesses?
Interview Preparation Tips
Experience: Questions were from easy to moderate level. No negative marking, so attempt all.
Tips: Keep your mind open and practice aptitude problems on a daily basis.
Round: Group Discussion
Experience: There were 21 students selected out of which two teams of 10 and 11 students were formed. Both the groups were given a topic and each one of us had to express our views.
Tips: Don't get nervous, just speak whatever you think. Don't yell or speak at loudly, just keep calm and put your points forward.
Duration: 20 minutes
Round: Technical Interview
Experience: Apart from the above questions some puzzles and DBMS questions and a few basic C questions were also asked. We were given enough time to think and answer.
Tips: Do not be in a hurry. Think properly what you are going to say, whether it is right or not and then only answer.
Round: HR Interview
Experience: The HR round was a good one. He tried to test my thinking capabilities and reasoning capabilities
Tips: Answer every question honestly.
General Tips: All the four rounds were elimination rounds and the final result was announced based on cumulative performance. So, be patient and give your best.
Skill Tips: Try to answer every properly
Skills: IQ, Basic Coding Skills, Problem Solving Skills
College Name: NIT ALLAHABAD
Motivation: The company visited our college campus. Also, one of my relatives in in Ericsson at a very high post and is quite happy working here.
Skills evaluated in this interview
I applied via Naukri.com and was interviewed before Jun 2020. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. Linux servers questions, past experience tools amd technologies
Interview Preparation Tips
Questions were asked
Dsa dp, graphs and many more questions from arrays and linked list were asked
Interview Preparation Tips
I applied via LinkedIn and was interviewed in Jun 2024. There was 1 interview round.
(3 Questions)
- Q1. Sql question related to windows function
- Q2. Unix basics - find a word in a set of files
- Ans.
Using Unix command 'grep' to find a word in a set of files
Use 'grep' command followed by the word you want to search for and the file(s) you want to search in
Add the '-r' flag to search recursively in all files in a directory
Use '-i' flag for case-insensitive search
Example: grep 'hello' file.txt
Example: grep -r 'error' /path/to/directory
Example: grep -i 'apple' file1.txt file2.txt
- Q3. Python question related to file system, regex
Interview Preparation Tips
Skills evaluated in this interview
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