| 1 | How do you make a basic GET request to a server using Angular's HttpClient? Angular › HTTP Client & Interceptors | Angular | HTTP Client & Interceptors | Beginner |
| 2 | How do you send data to a server using a POST request with Angular's HttpClient? Angular › HTTP Client & Interceptors | Angular | HTTP Client & Interceptors | Beginner |
| 3 | What is an HTTP interceptor in Angular, and what is it commonly used for? Angular › HTTP Client & Interceptors | Angular | HTTP Client & Interceptors | Intermediate |
| 4 | How would you handle errors from an HTTP request in Angular, showing a friendly message to the user? Angular › HTTP Client & Interceptors | Angular | HTTP Client & Interceptors | Intermediate |
| 5 | How would you use an interceptor to automatically retry a failed HTTP request a few times before giving up? Angular › HTTP Client & Interceptors | Angular | HTTP Client & Interceptors | Advanced |
| 6 | How would you test an Angular service that makes HTTP requests, without making real network calls during the test? Angular › Testing with Jasmine & Karma | Angular | Testing with Jasmine & Karma | Advanced |
| 7 | Why should you avoid storing sensitive information, like an authentication token, directly in an Angular app's local storage? Angular › Angular Security (XSS, Sanitization & CSP) | Angular | Angular Security (XSS, Sanitization & CSP) | Beginner |
| 8 | What is an observable in RxJS, and how is it different from a promise? Angular › RxJS & Observables | Angular | RxJS & Observables | Beginner |
| 9 | What is a Content Security Policy, often shortened to CSP, and how does it add another layer of protection to an Angular app? Angular › Angular Security (XSS, Sanitization & CSP) | Angular | Angular Security (XSS, Sanitization & CSP) | Intermediate |
| 10 | How do environment files work in Angular, and how do you use different values for development and production? Angular › Build, Environments & Deployment | Angular | Build, Environments & Deployment | Intermediate |