Module 2: Best Practices for Cloud Application Development
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In this post, I provide complete, accurate, and detailed explanations for the answers to Module 2: Best Practices for Cloud Application Development of Course 3: Developing Applications with Google Cloud: Foundations – Preparing for Google Cloud Certification: Cloud Developer Professional Certificate
Whether you’re preparing for quizzes or brushing up on your knowledge, these insights will help you master the concepts effectively. Let’s dive into the correct answers and detailed explanations for each question!
Best Practices for Cloud Application Development
Graded Assignment
1. Which of the following is an anti-pattern when designing a cloud application?
- Perform asynchronous operations
- Embed configuration settings in your source code ✅
- Cache application data and frontend content
- Use APIs and API gateways to connect to legacy systems in applications
Explanation:
- An anti-pattern is a poor practice that leads to inefficiency or problems in cloud application design.
- Embedding configuration settings in source code is bad because:
- It makes applications less flexible and harder to update.
- It exposes sensitive information (e.g., API keys, credentials).
- It prevents environment-specific configurations (e.g., dev, test, prod).
- Instead, use environment variables or configuration files stored securely.
2. For transient network issues, what error-handling approach should you implement?
- Implement a circuit breaker
- Display the error to the user
- Retry with exponential backoff ✅
- Retry constantly until the call succeeds
Explanation:
- Transient network issues are temporary failures that usually resolve themselves (e.g., timeouts, packet loss).
- The best approach is retrying with exponential backoff, meaning:
- Wait a short time before retrying.
- Gradually increase the wait time if failures continue.
- This prevents overloading the system with constant retries.
Related contents:
Module 3: Getting Started with Google Cloud Development
Module 4: Data Storage Options
Module 5: Handling Authentication and Authorization
Module 6: Adding Intelligence to Your Application
Module 7: Deploying Applications
Module 8: Compute Options for Your Application
Module 9: Monitoring and Performance Tuning
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