Question: How would you configure a route definition for a UserDetailComponent that supports the URL path user/23 (where 23 represents the id of the requested user)?

1. `{ path: 'user/:id', component: UserDetailComponent }`
2. `{ url: 'user/:id', routedComponent: UserDetailComponent }`
3. `{ routedPath: 'user/:id', component: UserDetailComponent }`
4. `{ destination: new UserDetailComponent(), route: 'user/:id' }`

Answer: The correct answer of the above question is Option A:`{ path: 'user/:id', component: UserDetailComponent }`