LENNOX INDIA TECHNOLOGY CENTER Technical Architect Interview Questions and Answers

Project management involves planning, organizing, and overseeing the execution of a project to achieve specific goals within a set timeframe and budget.

• Define project scope, objectives, and deliverables

• Create a project plan outlining tasks, timelines, and resources

• Assign roles and responsibilities to team members

• Monitor progress and adjust plans as needed

• Communicate regularly with stakeholders to provide updates and ad

Data can be passed with multiple approval process in Azure architecture using Azure Logic Apps and Azure Functions.

• Use Azure Logic Apps to create a workflow that triggers the approval process

• Pass the data to be approved as inputs to the Logic App

• Configure the approval step using connectors like Office 365 Outlook or Microsoft Teams

• Once approved, use Azure Functions to process the approved data

• Azure Functions can be tri...read more

Entity Framework is recommended due to its higher level of abstraction and productivity.

• Entity Framework provides a higher level of abstraction, making it easier to work with databases.

• It supports various database providers, allowing for flexibility in choosing the backend.

• Entity Framework enables rapid development with features like automatic code generation and change tracking.

• It offers a rich set of features like LI...read more

The choice between on-premise and cloud depends on factors like cost, scalability, security, and maintenance.

• On-premise: better control over data, higher upfront costs, requires maintenance and upgrades

• Cloud: lower upfront costs, scalability, flexibility, automatic updates and maintenance

• Consider factors like data sensitivity, compliance requirements, and budget constraints

• Hybrid approach can be used for a combination

Caching in enterprise solution

• Caching improves performance by storing frequently accessed data in memory

• It reduces the load on the database and improves response time

• Caching can be implemented at various levels like application, database, or network

• Popular caching technologies include Redis, Memcached, and Varnish

• Cache invalidation strategies should be implemented to ensure data consistency

To identify if a program is design pattern compliant.

• Analyze the program's structure and code to identify the presence of common design patterns

• Look for patterns such as Singleton, Factory, Observer, etc.

• Check if the program follows the principles and guidelines of the identified design patterns

• Review the program's documentation and architectural diagrams for design pattern references

Design a system for ticket booking platform

• Utilize a database to store information about events, venues, and available tickets

• Implement a user-friendly interface for customers to search, select, and purchase tickets

• Incorporate payment gateway for secure transactions

• Include features like seat selection, ticket printing, and email confirmation

• Develop an admin panel for managing events, venues, and ticket inventory

The 3-layer API architecture in Mule is a design pattern that separates the presentation, business logic, and data access layers.

• Presentation Layer: Handles the user interface and interaction with the API

• Business Logic Layer: Implements the core functionality and processes the requests

• Data Access Layer: Manages the interaction with the underlying data sources

• Example: In Mule, the presentation layer can be implemented u...read more