NTT Data Associate Technical Architect Interview Questions and Answers

Create scenario-based questions that challenge you to utilize all of your coding skills.

Q1. Explain the architect of your current project Multi threaded based questions Collection based questions Design pattern based questions Microservice architect based questions AWS cloud based questions
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Q2. How to handle security in api.
Ans. 
Security in APIs is crucial for protecting sensitive data and preventing unauthorized access.
• Use authentication methods such as OAuth or API keys to verify the identity of users accessing the API.

• Implement encryption to secure data transmission between clients and servers.

• Set up rate limiting to prevent abuse and protect against denial of service attacks.

• Regularly update and patch the API to address security vulnerabil...read more
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Q1. About my Skills
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Q2. Why would you join Virtusa?
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Q1. Current Project related questions
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Q2. Scenario based questions
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Q3. Approach for a project from scratch
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Q4. Insurance/Banking related questions
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Q1. Architectural related questions
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Q2. Technology related questions
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Q3. Differences between current and previous technologies
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Current technologies are more advanced, efficient, and user-friendly compared to previous technologies.
• Current technologies have faster processing speeds and higher storage capacities.

• Previous technologies often required manual input and were less intuitive for users.

• Current technologies offer more connectivity options and seamless integration with other devices.

• Examples: Smartphones vs. flip phones, cloud computing vs
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Q4. What's the future of current skill you are holding
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Q1. Functional related questions
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Q2. Managerial questions
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Q1. Client round, current project
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Q2. Current project scenario, what's your approach
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Q3. How would you handle this scenario
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Q4. Insurance related questions
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Q1. Client round, discuss multiple scenarios
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Q2. Insurance domain related questions
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Q3. Security related questions
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Q4. Authentication related questions
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Q1. Salary discussion
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Q2. Expected Joining date
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Q3. What's the Notice period
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Q1. Questions on the skill that you have worked on.
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Q2. Questions on real world project use cases worked on
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Q1. What kind of role do you expect
Ans. 
I expect a role that allows me to utilize my skills and experience in designing innovative and sustainable architectural solutions.
• I expect a role that challenges me to think creatively and problem-solve effectively

• I hope to work in a collaborative environment where I can contribute to a team and learn from others

• I am looking for a role that offers opportunities for professional growth and development
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Q2. How have you handled certain work situations in terms of delivery or people issues.
Ans. 
I have handled work situations by addressing issues directly, seeking feedback, and finding solutions collaboratively.
• Addressing issues directly with individuals involved

• Seeking feedback from team members or supervisors

• Finding solutions collaboratively through open communication and compromise
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Q1. What is your Salary expectation
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My salary expectation is in line with industry standards and reflective of my experience and qualifications.
• Research industry standards for architect salaries

• Consider my level of experience and qualifications

• Be prepared to negotiate based on job responsibilities and benefits package
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Q2. What is your Flexibility in terms of working hours
Ans. 
I am flexible with my working hours and can adjust as needed to meet project deadlines.
• I am willing to work overtime when necessary to complete a project on time

• I can adjust my schedule to accommodate client meetings or site visits

• I am open to working weekends or evenings if required for project deadlines
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Q1. Explain Kubernetes architecture
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Q2. Explain Ingress and Gateway API
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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. Any papers submitted
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Q1. How to handle message related issues via Kubernetes!
Ans. 
Message related issues in Kubernetes can be handled by troubleshooting network configurations, checking pod logs, and monitoring resource usage.
• Troubleshoot network configurations to ensure proper communication between pods

• Check pod logs for any error messages or issues related to message passing

• Monitor resource usage to identify any bottlenecks or performance issues affecting message delivery
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Basic situational based question

Q1. Basic experience
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Q2. Roles and responsibilities
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Q3. Asked my past projects
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Q4. Asked behavioral questions
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Q5. Asked my salary expectations
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Singleton Pattern with coding example class

Q1. Service lifetime
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Q2. Shared or static class
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