Google Cloud Professional Cloud Developer Practice Test

The primary advantage of using a microservices architecture on Google Cloud is that it allows for better scalability and fault isolation. In a microservices architecture, an application is composed of small, independent services that can be developed, deployed, and scaled independently. This modular approach enables teams to scale individual components based on their specific demands, rather than needing to scale an entire monolithic application.

Scalability is enhanced because different services can be allocated varying amounts of resources and can be scaled horizontally across multiple instances, leading to optimized resource use and cost-efficiency. Furthermore, if one service fails, it does not bring down the entire application, thus providing strong fault isolation. This means that issues can be contained within specific services without affecting the overall functionality of the application, which in turn contributes to better reliability and availability.

This architectural style also fits well with the cloud environment, especially Google Cloud, which offers various tools and services (such as Kubernetes, Cloud Functions, and App Engine) that are designed to facilitate the development and operation of microservices. These tools support automatic scaling and load balancing, which further enhances the benefits of scalability and fault isolation inherent in microservices.

In contrast, simplifying application code structure, eliminating network latency entirely, or using fewer cloud resources overall may