Get Graded Building Scalable Java Microservices with Spring Boot and Spring Cloud Quiz Answers
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Building Scalable Java Microservices with Spring Boot and Spring Cloud Module 02 Quiz Answers
Google Cloud Services and Spring Boot Quiz Answers
Q1. Which of these Google Cloud services is a fully managed platform-as-a-service framework?
Correct Answer: App Engine
Explanation: Google Cloud’s App Engine is a fully managed platform-as-a-service (PaaS) offering that allows developers to build and deploy applications without managing the underlying infrastructure.
Q2. Why might a developer migrate an application from Cloud SQL to Spanner?
Correct Answer: To meet needs for high levels of transactional performance
Explanation: Google Cloud Spanner is designed to handle high transactional workloads at scale, making it a suitable choice for applications requiring high-performance transactional capabilities. Cloud SQL may be sufficient for smaller-scale applications, but Spanner is ideal for global-scale databases.
Q3. What is Pub/Sub?
Correct Answer: A scalable message queueing service
Explanation: Google Cloud Pub/Sub is a messaging service that enables event-driven architectures and scalable message queueing between different systems or applications. It’s commonly used for real-time analytics, log processing, and other event-based workflows.
Q4. What is Spring Boot?
Correct Answer: A solution designed to simplify the bootstrapping and development of Spring-based applications
Explanation: Spring Boot is a framework that simplifies the development of Spring applications by providing a set of defaults and easy configurations, reducing the need for manual setup and making it easier to create standalone, production-ready applications.
Building Scalable Java Microservices with Spring Boot and Spring Cloud Module 02 Final Quiz Answers
Q1. You are connecting your application to a new Cloud SQL instance. What is the default setting for whether the instance will accept connections from public IP addresses?
Correct Answer: The instance will not accept connections, and you must temporarily whitelist it to configure your database.
Explanation: By default, Cloud SQL instances do not accept connections from public IP addresses. You need to configure the instance’s networking settings to allow public access, typically by whitelisting IPs or enabling a private IP.
Q2. What is the purpose of Cloud Trace?
Correct Answer: To let developers measure the latency of calls in their running applications.
Explanation: Cloud Trace is a tool in Google Cloud that helps developers analyze the latency of their applications by collecting and displaying trace data. It is designed to measure how long specific requests or operations take to complete in your app.
Q3. What role does Pub/Sub play in an application?
Correct Answer: A middleware layer
Explanation: Google Cloud Pub/Sub is a messaging service that serves as a middleware layer to enable communication between different components or services in an application. It helps decouple producers and consumers of data by allowing them to send and receive messages asynchronously.
Q4. What is the purpose of configuring Cloud Operations for GKE’s Prometheus support option?
Correct Answer: To allow services that use the Prometheus data model to report metrics to Cloud Monitoring and make them visible as external metrics
Explanation: When configuring Cloud Operations for GKE with Prometheus support, it allows services using the Prometheus data model to report metrics to Google Cloud Monitoring. These metrics can then be viewed and analyzed as external metrics in Cloud Monitoring.
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