TCS Technical Architect Interview Questions, Process, and Tips

Q1. Tell me about caching in enterprise application
Ans. 
Caching is a technique used to store frequently accessed data in memory for faster access.
• Caching can improve application performance by reducing the number of requests to the database or other external systems.

• Caching can be implemented at different levels such as application level, database level, and network level.

• Caching strategies include time-based expiration, least recently used (LRU) eviction, and invalidation.

• ...read more
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Q2. Explain RabbitMQ, Service Worker on browser
Ans. 
RabbitMQ is a message broker that enables communication between distributed systems. Service Worker is a browser API that allows background processing.
• RabbitMQ is used for asynchronous messaging between applications and services

• It supports multiple messaging protocols such as AMQP, MQTT, and STOMP

• Service Worker allows web applications to run scripts in the background, even when the browser is closed

• It can be used for t...read more
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Q1. Previous work experience and projects
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Q1. Best practices to follow in application development for order management process
Ans. 
Best practices for order management process in application development
• Use a centralized database to store order information

• Implement a robust authentication and authorization system

• Ensure data integrity and consistency through proper validation and error handling

• Design a scalable and efficient architecture to handle high volumes of orders

• Implement automated order processing and notifications

• Provide a user-friendly inte...read more
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Q2. How do you configure and handle security in transmitting data in application
Ans. 
Data transmission security is ensured through configuration and handling of encryption, authentication, and secure protocols.
• Implement encryption algorithms like SSL/TLS to secure data transmission

• Use secure protocols like HTTPS, SFTP, or SSH for transmitting sensitive data

• Implement authentication mechanisms like OAuth, JWT, or certificates to verify the identity of the sender and receiver

• Apply data integrity checks li...read more
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Find Polygon, last for 30 mins

Q1. Algorithm based, and design questins
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Q1. Salary negotiation
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