Optum Global Solutions Technical Architect Interview Questions and Answers

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

Designing MakeMyTrip application

• Identify user requirements and create a user-friendly interface

• Integrate APIs for flight, hotel, and cab bookings

• Implement secure payment gateway and user authentication

• Ensure scalability and performance optimization

• Provide personalized recommendations based on user history

EC2 is a virtual server in AWS, while S3 bucket is a scalable storage solution for files.

• EC2 stands for Elastic Compute Cloud and is a virtual server in Amazon Web Services (AWS)

• S3 bucket is a scalable storage solution for files in AWS

• EC2 instances can be used to run applications or host websites

• S3 buckets can store any type of data, such as images, videos, documents, etc.

• Both EC2 and S3 are key components of cloud com

The types of EC2 instances in AWS include General Purpose, Compute Optimized, Memory Optimized, Storage Optimized, and Accelerated Computing.

• General Purpose instances provide a balance of compute, memory, and networking resources.

• Compute Optimized instances are ideal for compute-bound applications that benefit from high-performance processors.

• Memory Optimized instances are designed for memory-intensive applications suc...read more