Mphasis Interview Questions, Process, and Tips for Experienced

Q1. Technical questions on Mainframes and TOSCA
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Q1. Client round with technical questions on mainframes and tosca
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Q1. Till date they have not enrolled me even after confirming and doing my documentation
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Q1. Documentation round which is still going on and its been 2 months
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10 min, simple question on programming skills

Q1. Which Microservice communication pattern you have used?
Ans. 
I have used the asynchronous messaging pattern for Microservice communication.
• Implemented messaging queues like RabbitMQ or Kafka for decoupled communication

• Used message brokers to enable communication between Microservices

• Leveraged event-driven architecture for real-time updates and scalability
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Q2. Which Application Insight tool you have used?
Ans. 
I have used Application Insights for monitoring and analyzing the performance of .NET applications.
• Used Application Insights to track application performance metrics

• Analyzed telemetry data to identify performance bottlenecks

• Set up alerts and notifications for critical issues

• Integrated Application Insights with Azure DevOps for continuous monitoring
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Q3. Caching Technique is used in your project
Ans. 
We use in-memory caching technique in our project to improve performance and reduce database load.
• In-memory caching is used to store frequently accessed data in memory for quick retrieval

• Helps reduce database load and improve application performance

• Examples: using MemoryCache in .NET, Redis caching, caching frequently accessed data like user profiles or product information
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Q4. Api Gateways is used in MicrosServices
Ans. 
Yes, API Gateways are used in Microservices to manage and secure communication between services.
• API Gateways act as a single entry point for clients to access multiple microservices

• They handle authentication, authorization, rate limiting, logging, and monitoring

• Examples of API Gateways include Kong, Apigee, and AWS API Gateway
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Q5. Which single sign on technology/Mechanism is used in project
Ans. 
We are using OAuth 2.0 for single sign on in the project.
• OAuth 2.0 is a widely used authorization framework that enables a third-party application to obtain limited access to an HTTP service.

• It allows users to log in once and access multiple applications without having to log in again.

• OAuth 2.0 provides secure delegated access to resources without sharing user credentials.
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Q6. What is JWT token,why we use it
Ans. 
JWT token is a JSON Web Token used for secure transmission of information between parties.
• JWT token is a compact and self-contained way to transmit information between parties.

• It is digitally signed to verify its authenticity and integrity.

• JWT tokens consist of three parts: header, payload, and signature.

• They are commonly used for authentication and information exchange in web applications.

• Example: JWT tokens are often
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Q7. How to implement exception handling and filters in .net core web api
Ans. 
Exception handling and filters in .NET Core Web API
• Use try-catch blocks to handle exceptions in the code

• Implement global exception handling middleware to catch unhandled exceptions

• Use filters like [Authorize] for authentication and [ValidateAntiForgeryToken] for CSRF protection

• Create custom exception filters by implementing IExceptionFilter interface
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Q1. Core java concepts concepts , multithreading, spring boot,jpa ,MySQL ,api
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Q2. Collection framework , java8, coding Questions 2 nd largest number find
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Q1. Only salary discussed
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Q1. Project management
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Q1. Payment terminology
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Q1. Client round about product
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