Tata Technologies Interview Questions and Answers

Exporting BRE rules in JAVA services involves using a rule engine to generate and execute rules.

• Use a rule engine like Drools to define and manage business rules in Java services

• Create rule files in a format supported by the rule engine (e.g. DRL files for Drools)

• Use the rule engine API to load and execute the rules in your Java services

Agile is a flexible, iterative approach to software development, while Waterfall is a linear, sequential method.

• Agile involves breaking projects into small increments and delivering them in short cycles.

• Waterfall follows a linear approach with distinct phases like requirements, design, implementation, testing, and maintenance.

• Agile allows for changes and adjustments throughout the development process.

• Waterfall requires detailed planning upfront and minimal changes once develo...read more

A shared repository is a central location where files and data are stored and accessed by multiple users or systems.

• Centralized storage for files and data

• Allows multiple users or systems to access and modify the same files

• Helps in collaboration and version control

• Examples: GitHub, Bitbucket, SVN

eventfunction() is a function that handles events in programming.

• eventfunction() is used to define what should happen when a specific event occurs in a program.

• It is commonly used in event-driven programming to respond to user actions or system events.

• Examples include onclick event in JavaScript to trigger a function when a button is clicked.

Our project architecture follows a microservices design pattern with a front-end client communicating with various backend services through APIs.

• Microservices design pattern

• Front-end client communicating with backend services through APIs

• Decoupled services for scalability and flexibility

Deployment process involves releasing software code to production servers.

• Developers commit code changes to version control system

• Code is built and tested in a staging environment

• Once tested, code is deployed to production servers

• Monitoring and logging tools are used to track deployment status

• Rollback plan in case of deployment failure

Terraform best practices ensure efficient infrastructure provisioning and management.

• Use version control to track changes in infrastructure code.

• Separate infrastructure into reusable modules for scalability.

• Leverage variables and data sources for flexibility and reusability.

• Implement state management to track infrastructure state.

• Apply security best practices, such as using secure credentials and managing access control.

• Use Terraform workspaces to manage multiple environments...read more