ang4

Question 1

interfaces between browser APIs and Angular

Answer 1

ElementRef, TemplateRef, ViewRef, ComponentRef and ViewContainerRef

Question 2

Angular provides a mechanism called DOM queries, which come in the form of

Answer 2

@ViewChild and @ViewChildren decorators

Question 3

@ViewChild vs @ViewChildren

Answer 3

the former returns one reference, while the latter returns multiple references as a QueryList object

Question 4

Verizon is ___ while AT&T and international are ___

Answer 4

CDMA / GSM