Working with HTTP and API integration is a crucial skill for any Angular developer. It allows applications to communicate with back-end services, fetch or send data, and handle responses effectively.
The following MCQs will help you understand the HTTP client module, API calls, error handling, interceptors, and best practices in Angular. By practicing these questions, you will be well-prepared for Angular interviews and real-world projects.
1.) Which module is required to make HTTP requests in Angular?
2.) Which Angular service is used to make HTTP calls?
3.) Which Angular decorator is used to inject HttpClient into a service?
4.) What does an HTTP interceptor do in Angular?
5.) Which RxJS operator is commonly used to handle API responses?
6.) How do you handle errors in an Angular HTTP request?
7.) What is the default HTTP request method used by httpClient if not specified?
8.) How can you send JSON data in a POST request in Angular?
9.) What does the .subscribe() method do in an HTTP request?
10.) Which status code represents a successful API request?