Atos Data Architect Interview Questions and Answers for Experienced

Q1. Interview is not happend
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Q2. Interview is no not happend
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Maths/English/Pattern check/Logical reasoning

Q1. Technical interview 1 - Teams meeting - Questions on Apache Spark - medium complexity , Delta lake architecture , SQL joins, Some cloud services - BigQuery/BigTable, SQL vs NoSQL, BigQuery vs Synapse, lan...read more
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Q1. Technical interview 2 - Teams meeting - Questions on Apache Spark - advanced complexity, current project architecture, CAP theorem, questions on analytical stores on cloud, questions on delta lake, compara...read more
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Q1. Technical interview 3 - Teams meeting - This is a design round. I was presented with customer requirements and had to present a bird's eye view of an end-to-end data architecture solution on GCP (since GCP...read more
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Q1. Basic HR questions and salary negotiation.
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Q1. Important lifesaving dimensional modelling questions.
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Q2. Whats makes you client site like Adobe to work for?
Ans. 
Working for Adobe is exciting due to their innovative culture, cutting-edge technology, and global impact.
• Innovative culture fosters creativity and encourages experimentation

• Cutting-edge technology provides opportunities to work with the latest tools and techniques

• Global impact means that work has a wide-reaching influence and can make a difference in the world

• Opportunities for growth and development through training a...read more
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Q1. Please explain challenging role you had performed in previous companies?
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Q1. Please submit all original documents for background checking purpose
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Q2. It took almost 15 days to BGV to check my details of companies i have worked for.
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Q3. After HR round,Adobe I had one day orientation and does and can't. Only thing I missed was putting Adobe emails in my smartphone
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Q4. It's been terrif journey in my personal life.
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Q1. Describe 5 non functional requirements
Ans. 
Non functional requirements are criteria that specify how a system should behave, rather than what it should do.
• Performance - system should respond within 2 seconds for all user interactions

• Scalability - system should be able to handle 1000 concurrent users

• Reliability - system should have a 99.99% uptime

• Security - system should encrypt all sensitive data

• Usability - system should have a user-friendly interface
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Q2. How will you improve performance of legacy app which has to work with your latest microservice.
Ans. 
Improve legacy app performance by optimizing code, implementing caching, and scaling resources.
• Optimize code by identifying and removing bottlenecks

• Implement caching to reduce database calls and improve response time

• Scale resources by using containers or serverless architecture

• Use asynchronous processing for long-running tasks

• Upgrade hardware or infrastructure if necessary
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Q1. Explain security in microservices
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Security in microservices involves implementing authentication, authorization, encryption, and monitoring to protect data and services.
• Implement authentication and authorization mechanisms to control access to microservices.

• Use encryption to secure communication between microservices and external clients.

• Implement monitoring and logging to detect and respond to security incidents.

• Consider using API gateways for central...read more
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Q2. Describe microservices architecture for a wealth management app
Ans. 
Microservices architecture for a wealth management app involves breaking down the application into smaller, independent services.
• Each microservice focuses on a specific business function, such as client onboarding, portfolio management, or reporting.

• Services communicate through APIs, allowing for flexibility and scalability.

• Each microservice can be developed, deployed, and scaled independently, leading to faster develo...read more
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Q1. Explain 3 layer api arch. Mule
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The 3-layer API architecture in Mule is a design pattern that separates the presentation, business logic, and data access layers.
• Presentation Layer: Handles the user interface and interaction with the API

• Business Logic Layer: Implements the core functionality and processes the requests

• Data Access Layer: Manages the interaction with the underlying data sources

• Example: In Mule, the presentation layer can be implemented u...read more
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Q1. Asked about roles and responsibilities
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Q2. Designing MakeMyTrip application
Ans. 
Designing MakeMyTrip application
• Identify user requirements and create a user-friendly interface

• Integrate APIs for flight, hotel, and cab bookings

• Implement secure payment gateway and user authentication

• Ensure scalability and performance optimization

• Provide personalized recommendations based on user history
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Q3. Question On AWS services
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Q1. No questions as such
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Q2. No questions as such, don't remember
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