1. Which of the following option is using Angular to detect changes?

A. Scope.js

B. zone$.js

C. zone.js

D. zones.js

2. Observables help you manage which type of data?

A. synchronous

B. asynchronous

C. Both synchronous and asynchronous

D. None of these

3. Which of the following is not built-in pipe in Angular?

A. DatePipe

B. CurrencyPipe

C. DataPipe

D. PercentPipe

4. Which protocol is used on Internet for data exchange of web data?

A. FTP

B. SMTP

C. TCP/IP

D. SNMP

5. Which of the following is the root element in HTML?

A. head

B. body

C. html

D. meta