Atos Cloud Architect Interview Questions and Answers

It was easy, bacis aptitude questions asked in this round

Q1. It was a Ai generated communication test, where you have to repeat sentence, basic english question asked, and the ability of communication was cheked. Easy to crack
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Q1. This was a technical and hr round
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Q2. What is cloud, vpn, lan, wan? And bacis trouble shooting question
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Q3. What is your hobbies, tell me about your hometown.
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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
Ans. 
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. What was the Last Project and what was your role in it ?
Ans. 
I led a team in implementing a cloud-based CRM solution for a large retail company.
• Led a team in designing and implementing a cloud-based CRM solution

• Worked closely with stakeholders to gather requirements and ensure alignment with business goals

• Managed project timeline, resources, and budget to successful completion

• Provided technical guidance and support to team members throughout the project

• Conducted training session...read more
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Q2. What was the most complex assignment done in last 4 years ?
Ans. 
Designing and implementing a cloud-based solution for a multinational corporation's global data management system.
• Developing a scalable architecture to handle large volumes of data from multiple sources

• Integrating various cloud services for data storage, processing, and analytics

• Ensuring data security and compliance with regulations across different regions

• Collaborating with cross-functional teams to gather requirement...read more
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Q1. What is Fastconnect and IPsec tunnels in OCI
Ans. 
Fastconnect and IPsec tunnels are networking solutions in OCI for secure and reliable connectivity.
• Fastconnect provides a private connection between on-premises network and OCI without going through the public internet.

• IPsec tunnels create secure communication channels over the public internet between on-premises network and OCI.

• Both Fastconnect and IPsec tunnels ensure data privacy, integrity, and availability for net...read more
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Q2. How to enabled audit logs inOCI
Ans. 
Enable audit logs in OCI for monitoring and compliance purposes.
• Navigate to the OCI Console and select the compartment you want to enable audit logs for.

• Go to 'Audit' under 'Identity' and click on 'Create Configuration'.

• Choose the services you want to audit, set the log retention period, and specify the log object storage bucket.

• Review and create the configuration to start logging audit events.

• Monitor the audit logs in...read more
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Q1. What is file storage
Ans. 
File storage is a method of storing and organizing digital files in a structured manner.
• File storage involves saving data in a structured format for easy retrieval and management

• It can be done locally on a computer or on a network server

• Examples include saving documents, images, videos, and other digital files on a computer's hard drive or in cloud storage services like Google Drive or Dropbox
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Q2. What is alarm definition and event rules in OCI
Ans. 
Alarm definition and event rules in OCI are used to monitor and manage resources based on predefined conditions.
• Alarm definitions specify the conditions under which an alarm is triggered in OCI Monitoring service

• Event rules define actions to be taken when specific events occur in OCI Events service

• Both are essential for proactive monitoring and management of resources in OCI
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2 questions are there 1 is a moderate dsa question & 2nd is a SQL question

Q1. Go concurrency?
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Q2. Some questions about AWS
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Q1. Define a micro service architecture.
Ans. 
Microservice architecture is an architectural style that structures an application as a collection of loosely coupled services.
• Each service is self-contained and can be independently deployed, scaled, and maintained.

• Services communicate with each other over lightweight protocols like HTTP or messaging queues.

• Each service is responsible for a specific business function and can be developed using different technologies.

• M...read more
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Q2. How to address data inconsistency in micro service architecture?
Ans. 
Data inconsistency in micro service architecture can be addressed by implementing event-driven architecture, using distributed transactions, and ensuring eventual consistency.
• Implement event-driven architecture to propagate changes across services in a consistent manner

• Use distributed transactions to ensure atomicity and consistency across multiple services

• Ensure eventual consistency by designing services to handle eve...read more
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Basic aptitude questions were asked on partnerships, time and work, directions, speed and time.

The coding exam was easy, as I have provided with an stack based questions and it was easy to solve. It was an hybrid exam with interview aside.