Angular Interview Test 2025 – 400 Free Practice Questions to Pass the Exam

Services in Angular applications are primarily designed to provide reusable functionality across different components. The key role of a service is to encapsulate specific behaviors that can be shared and accessed throughout the application. This often includes operations such as data fetching from external APIs, business logic processing, and other functionalities that do not directly relate to the user interface.

When services are used to fetch data, they allow different components to share this data without duplicating code. Components can simply inject the service and call its methods to obtain the required data. This promotes a clean separation of concerns, where the components focus on rendering the UI while the services handle the logic associated with data retrieval and management.

By using services, you ensure that your application adheres to the principles of modularity and reusability, making it easier to manage and scale as needed.

The other options, while related to application development, do not align with the core purpose of services. Rendering user interfaces is the responsibility of components, managing global application state typically involves state management libraries or mechanisms, and handling component lifecycle events is intrinsic to components themselves.