Which is the .NET collection class that allows an element to be accessed using a unique key?

Hash table ArrayList SortedList None

int keyword targets to which .Net type?

system.int64 system.int16 System.Int32 system.int18

The .NET Framework provides a runtime environment called..... ?

RCT RC CLR RMT

What is the default return type of an event?

string double integer no return type of event

Which of the following can`t be used in our .NET application?

ActiveX control COM type libraries .Net assemblies all of them