Saravanan's Corner: Blackberry Dev

Thursday, 10 July 2025

MUST Interview Questions


*Q) How do you monitor your spring boot application on prod?*


*Q) What is service discovery? Why do you need multiple Eurekas?*


*Q) What is circuit breaker DP?*


*Q) How do you handle transactions across multiple microservices?*


*Q) How do microservices communicate with each other?*


*Q) Explain the architecture of Kafka.*


*Q) How did you implement Kafka in your project?*


*Q) What is Zookeeper in Kafka? Can Kafka be used without Zookeeper?*


*Q) What do you mean by ISR in Kafka environment?*


*Q) What is consumer lag?*


*Q) What is marking the offset as soon as you read the message from Kafka broker?*


*Q) How did you implement synchronous communication between microservices?*


*Q) You have implemented some REST endpoints for CRUD functionality, how will you share your contract with clients/other teams?*


*Q) How did you implement security end to end?*


*Q) Why Docker?*


*Q) K8 commands you used?*


*Q) How do you analyze logs of pods in your project?*


*Q) Explain the difference between a Pod and a Container in Kubernetes.*


*Q) What is the difference between CI and CD?*


*Q) Explain steps you used in CI/CD in your project.* 

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