Question d’entretien chez Capgemini

Angular- Angular architecture HTTPClient, Observables,Subscribe,display data from an array in UI, hostlistener, difference between annotation and decorator, what is Input property in angular, DI in angular, filters, how to access one component in another Angular JS- rootscope, difference between controller, directive and link function, DI, How to communicate between controllers. Difference between angular js and angular what is media query and bootstrap