Learn how microservices are accessed using RESTful APIs. Understand their role in communication and scalability for Google Cloud Platform certification exams and real-world applications.
Table of Contents
Question
How are microservices accessed?
A. Informatica
B. Kubeflow
C. A RESTful API
D. Hadoop MapReduce
Answer
C. A RESTful API
Explanation
Microservices are typically accessed via RESTful APIs, which provide a standardized method for communication between services and external systems. REST (Representational State Transfer) is an architectural style that uses HTTP methods such as GET, POST, PUT, and DELETE to perform operations on resources. This makes RESTful APIs ideal for microservices due to their simplicity, scalability, and compatibility with diverse clients like web browsers, mobile devices, and IoT systems.
Why RESTful APIs Are the Preferred Choice for Microservices
- Lightweight Communication: REST APIs use HTTP protocols, enabling fast and low-overhead communication between microservices and client applications.
- Statelessness: Each API request is independent, ensuring scalability and reliability without requiring server-side session management.
- Uniform Interface: REST APIs follow consistent design principles, making them easy to implement and consume across various platforms.
- Flexibility: They support multiple data formats like JSON and XML, allowing seamless integration with different systems.
Why Other Options Are Incorrect
A. Informatica: Informatica is a data integration tool and does not serve as a direct access method for microservices.
B. Kubeflow: Kubeflow is a platform for machine learning workflows but is not used to access microservices.
D. Hadoop MapReduce: Hadoop MapReduce is a framework for processing large datasets in distributed environments, unrelated to microservice access.
RESTful APIs are foundational to modern microservice architectures, enabling efficient interaction among independently deployable services while maintaining flexibility and scalability.
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