Microservices Architecture Interview Questions and Answer Part – 1

What unique feature does virtualization provide as a hosting option?

• Quick setup times
• Containers
• Nested virtualization
• Snapshots (Ans)
• Quick load times

API Gateway can be used for…

• Load balancing (Ans)
• Hosting
• Deployment
• Shared databases
• Continous integration

Which of these can be converted to microservices?

• Events
• Classes
• Methods
• Bounded contexts (Ans)
• Delegates

What type should the initial high-level design be for a greenfield microservices system?

• Minature
• Monolithic (Ans)
• Micro
• Observable
• Autonomous

Traditional software architecture with a large code base is known as a…?

• Command line level system
• Continous integration system
• Microservices type system
• Monolithic type system (Ans)

What microservice design principle dictates that a service should have a single focus?

• Observable
• Resilience
• High cohesion (Ans)
• Automation

What microservice design principle dictates that a service should have centralized logging?

• Automation
• Observable (Ans)
• Resilience
• High Cohesion

To ensure microservices are loosely coupled, we should avoid the use of…

• Web-API
• Client libraries (Ans)
• Asynchronous communication
• Continous integration

To make microservices architecture more resilient, you should design the service to cater to…

• Config files
• Shared databases
• Synchronous communication
• Known failures and connection timeouts (Ans)
• Software viruses

To make distributed transactions easier to trace, microservices should log what extra piece of information?

• Entity ID
• Senders address
• Recipients address
• Foreign key ID
• Correlation ID (Ans)

What microservice design principle dictates that tools should be used for quick deployment?

• Observable
• Autonomous
• Automation (Ans)
• Resilience

Asynchronous communication can be implemented using a…

• Message queueing protocol (Ans)
• RPC protocol
• Synchronous communication protocol
• Testing protocol
• Integration protocol

What has to be identified at code level in order to ready your codebase for a microservices architecture?

• Seams (Ans)
• Defects
• Bottlenecks
• Deadlocks
• Projects

Rajesh Kumar

I’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have worked at Cotocus and regularly write about technology, travel, investing, health, product reviews, and digital marketing through my various platforms.

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