Angular Interview Practice 2025 – The Comprehensive All-in-One Guide to Excel in Your Interview!

Services in Angular provide reusable functionality that can be shared across different components, which is central to maintaining a clean and organized application architecture. By using services, developers can encapsulate code that handles specific tasks, such as data fetching, business logic, or utility functions. This encapsulation promotes code reusability and reduces redundancy, as multiple components can leverage the same service without duplicating code.

Additionally, services utilize Angular's dependency injection mechanism, making them easy to integrate into components. This means that when a component needs certain functionality, it can simply request the service, allowing for a clear separation of concerns. Consequently, services help in keeping components focused on their primary purpose—managing the user interface—while delegating other responsibilities to services.

The other choices represent aspects of an Angular application but do not accurately describe services. For instance, defining application routes relates to Angular's routing module, enhancing visual aspects pertains to components and templates, and managing application state is typically handled by state management solutions rather than services directly.