UST Senior Software Architect Interview Questions and Answers

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. Describe 5 non functional requirements
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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.
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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
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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!
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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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Q1. Basic of K8s concepts
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Q1. Telecom infrastructure and containers
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Q1. 5g , Telecom infra and containers
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Q1. Telecom Infrastructure , data plane , security in k8s
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Q1. Architecture experience discussion
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Q2. Few changes in arch
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The question is asking about making a few changes in the architecture.
• Analyze the current architecture to identify areas for improvement

• Consider the impact of the changes on performance, scalability, and security

• Document the proposed changes and communicate them to stakeholders
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Some telecom related case study

Q1. Expectations related
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Q1. Various scenarios related to errors and issues
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Q1. Salary expectations
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Q1. Delete vs Drop in sql?
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DELETE is used to remove rows from a table while keeping the table structure intact. DROP is used to remove an entire table from the database.
• DELETE is a DML (Data Manipulation Language) command, while DROP is a DDL (Data Definition Language) command.

• DELETE can be rolled back, while DROP cannot be rolled back.

• Example: DELETE FROM table_name WHERE condition; DROP TABLE table_name;
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Q2. Autocalender, duicate vs refrence in power bi
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Autocalender creates a date table automatically, while duplicate creates a copy of a table and reference creates a linked table in Power BI.
• Autocalender automatically generates a date table based on the data in your model.

• Duplicate creates a copy of a table with the same data and structure.

• Reference creates a linked table that shares the same data as the original table.

• Autocalender is useful for quickly creating date t...read more
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Q1. Load balancer questions
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Q2. Scalability questions
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Q1. Design questions
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Q2. Design app Questions
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Q1. Define a micro service architecture.
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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?
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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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