Visa Technical Program Manager Interview Questions and Answers

Answering questions related to microservice architecture, design patterns, Kafka cluster data loss prevention, and monitoring/recovery in Appdynamics.

• My last project architecture was based on microservices, utilizing design patterns such as Circuit Breaker, Service Registry, and API Gateway.

• Saga pattern is used in microservices to manage distributed transactions across multiple services.

• In the event of data loss in a K...read more

API stands for Application Programming Interface. It is a set of rules and protocols that allows different software applications to communicate with each other.

• APIs define the methods and data formats that applications can use to request and exchange information.

• They allow developers to access the functionality of a system or service without needing to understand its internal workings.

• Examples of APIs include Google Ma...read more

REST API stands for Representational State Transfer Application Programming Interface. It is a set of rules and protocols for building and interacting with web services.

• REST API is a type of web service that allows communication between different systems over the internet.

• It uses standard HTTP methods like GET, POST, PUT, DELETE to perform operations on resources.

• REST APIs typically return data in JSON or XML format.

• Th...read more