What challenges might you encounter when using Angular Universal for Server-Side Rendering?
- All of the above
- Dealing with client-side routing on the server
- Handling session and cookies correctly
- Managing third-party libraries not designed for SSR
When using Angular Universal for Server-Side Rendering, you may encounter several challenges, including all of the above. It involves handling sessions and cookies, managing client-side routing, and addressing third-party library issues.
Angular Elements encapsulates the complexity of Angular's _____, making it more approachable for different setups.
- Application Logic
- Component Tree
- Core Modules
- Dependency Injection
Angular Elements encapsulates the complexity of Angular's Dependency Injection, making it more approachable for different setups and simplifying the integration of Angular components into non-Angular applications.
Which RxJS operator can be used to combine multiple Observables into a single Observable?
- concat
- filter
- merge
- pluck
The merge operator in RxJS is used to combine multiple Observables into a single Observable, emitting values from all source Observables concurrently.
The Ivy Renderer introduces a new concept called _____ which is designed to be more efficient in updating the DOM.
- Change Detection
- Render Optimization
- Template Engine
- Virtual DOM
The Ivy Renderer introduces a new concept called Render Optimization, designed to be more efficient in updating the DOM. This improves performance by optimizing how changes are applied to the view.
When debugging Protractor tests, you can insert a call to _____ to pause the test execution.
- browser.breakpoint()
- browser.debugger()
- browser.hold()
- browser.pause()
For debugging Protractor tests, you can insert a call to browser.pause() to pause test execution at that point.
You need to test an Angular service that makes HTTP requests to an API. You want to ensure your tests are isolated and do not actually make HTTP calls. What approach would you take?
- Creating a Custom Testing Library for HTTP Mocking
- Mocking HTTP Requests using HttpClientTestingModule
- Performing Real HTTP Calls with HttpClient
- Using Angular's TestBed for Service Testing
To isolate tests and avoid making actual HTTP calls, you should use Mocking HTTP Requests using HttpClientTestingModule to mock the HTTP responses.
When using Dependency Injection in Angular, what is the significance of the @Injectable() decorator?
- It creates a new instance of the service
- It handles routing in Angular
- It injects a service into a component
- It marks a service as singleton
The @Injectable() decorator is used to mark a service as a singleton, meaning that Angular will create a single instance of the service and share it across components that request it.
Angular Universal generates _____ pages to improve the initial load time of an application.
- Client-side
- Dynamic
- Server-side
- Static
Angular Universal generates server-side pages to improve the initial load time of an application.
What is the purpose of a Form Group in Angular Reactive Forms?
- Define form submission actions
- Define form validation rules
- Group related form controls
- Store form control values
The purpose of a Form Group in Angular Reactive Forms is to group related form controls together. It helps manage and validate a set of related form controls.
You're building an e-commerce application and want to create a nested navigation structure where product categories have sub-categories. How would you design the routing for this scenario using child routes?
- Configure named outlets for sub-categories
- Define child routes within the parent component
- Implement a shared module for navigation
- Use auxiliary outlets for sub-categories
To create nested navigation with sub-categories, you should define child routes within the parent component. This allows for a hierarchical structure in your routing.
In Angular, what is the primary purpose of a component's class?
- Define component behavior
- Define routing
- Handle user input
- Store metadata
The primary purpose of a component's class in Angular is to define component behavior, including properties, methods, and event handlers.
In NgRx, the _____ is responsible for changing the state based on the action received.
- Dispatcher
- Effect
- Reducer
- Selector
In NgRx, the Reducer is responsible for changing the state based on the action received. A reducer defines how the state should change.