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IQZ SYSTEMS Interview Questions and Answers
IQZ SYSTEMS Interview Experiences
4 interviews found
Anonymous
Selected
I applied via Recruitment Consulltant and was interviewed in Aug 2023. There were 2 interview rounds.
(3 Questions)
- Q1. General knowledge check on SQL, Python, Reporting Tools like Power BI, Tableau
- Q2. Data Cleansing, Processing questions on Databricks, Azure Data Factory
- Q3. Modelling of DataWarehouse
- Ans.
DataWarehouse modelling involves designing the structure of the database to efficiently store and retrieve data.
Identify the business requirements and data sources
Design dimensional model using facts and dimensions
Normalize or denormalize data based on query patterns
Implement ETL processes to load data into the DataWarehouse
Consider performance optimization techniques like indexing and partitioning
(3 Questions)
- Q1. Hands-on round of Databricks and Spark
- Q2. Scenario-based SQL writing exercise
- Q3. Discussion on Performance Tuning and Optimization
Interview Preparation Tips
- SQL
- Python
- Data Engineering
- Databricks
- Azure
- AWS
- GCP
- BigQuery
- Redshift
- Data Lake
- Delta Lake
- Power BI
Don't overcommit in your resume
Keep discussing your approach and what you are thinking while solving the given problems
Ask how you could solve the question in better way
Skills evaluated in this interview
Data Engineer Interview Questions asked at other Companies
I applied via Naukri.com and was interviewed in Oct 2023. There was 1 interview round.
(2 Questions)
- Q1. Mostly on resume
- Q2. What is Linkedlist
- Ans.
A LinkedList is a data structure that consists of a sequence of elements where each element points to the next element in the sequence.
Each element in a LinkedList is called a node and contains a value and a reference to the next node in the sequence.
LinkedLists can be singly linked (each node points to the next node) or doubly linked (each node points to both the next and previous nodes).
Inserting and deleting element...
Interview Preparation Tips
Skills evaluated in this interview
Data Engineer Interview Questions asked at other Companies
Shivaji Shelke
I applied via Referral and was interviewed in Mar 2022. There were 3 interview rounds.
Regular Business Development Procedures
(1 Question)
- Q1. Discussion Regarding with my family and personal things and payment negotiating.
Interview Preparation Tips
If you can add, his boss and team members in loop. Then it will very good for making true results.
Business Development Manager Interview Questions asked at other Companies
I applied via Recruitment Consultant and was interviewed in Dec 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. Questions based on selenium, locators, validation on page
Interview Preparation Tips
Automation Engineer Interview Questions asked at other Companies
IQZ SYSTEMS interview questions for popular designations
Jobs at IQZ SYSTEMS
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Interview questions from similar companies
I applied via Walk-in and was interviewed before Feb 2020. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Interview mainly asked about spark architecture.
Interview Preparation Tips
I applied via Campus Placement and was interviewed before Jan 2021. There were 4 interview rounds.
Interview Questionnaire
3 Questions
- Q1. Describe your projects?
- Q2. What are the technologies you have worked on?
- Ans.
I have worked on various technologies including Hadoop, Spark, SQL, Python, and AWS.
Experience with Hadoop and Spark for big data processing
Proficient in SQL for data querying and manipulation
Skilled in Python for data analysis and scripting
Familiarity with AWS services such as S3, EC2, and EMR
Knowledge of data warehousing and ETL processes
- Q3. Behavioral Questions
Interview Preparation Tips
I applied via Campus Placement and was interviewed before Jul 2021. There were 3 interview rounds.
In this round we have aptitude plus coding mcq questions
Here we have to write full fledge code 2 questions were there and are easy
(1 Question)
- Q1. Here we have hr plus technical interview
Interview Preparation Tips
Interview Questionnaire
1 Question
- Q1. What is ADLS How we can pass papameter from ADF to databricks
- Ans.
ADLS is Azure Data Lake Storage, a scalable and secure data lake solution in Azure.
ADLS is designed for big data analytics workloads
It supports Hadoop Distributed File System (HDFS) and Blob storage APIs
It provides enterprise-grade security and compliance features
To pass parameters from ADF to Databricks, use the 'Set Parameters' activity in ADF and reference them in Databricks notebooks
Skills evaluated in this interview
Interview Questionnaire
1 Question
- Q1. What is the architecture of Spark
- Ans.
Spark has a master-slave architecture with a cluster manager and worker nodes.
Spark has a driver program that communicates with a cluster manager to allocate resources and schedule tasks.
The cluster manager can be standalone, Mesos, or YARN.
Worker nodes execute tasks and store data in memory or on disk.
Spark can also utilize external data sources like Hadoop Distributed File System (HDFS) or Amazon S3.
Spark supports va...
Skills evaluated in this interview
I applied via Naukri.com and was interviewed before Aug 2021. There were 3 interview rounds.
MCQ based online test for the technology being interviewed for
(1 Question)
- Q1. Multiple questions related to the technology being interviewed for
(1 Question)
- Q1. Employment and salary related questions
Interview Preparation Tips
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5-10 Yrs
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