CTS Interview questions

CTS interview quest for ASP.Net

what is delegates?
what is inheritance?
what is interface and difference b/w both?
why multiple inheritance not supported by the C#?
"with" keyword in the sqlserver?
CTE in sql server?
Literal Controles?
polymorphisam?
one small class programme for inheritance and onject inislisation?
Temp tables in sql server?
WCF?
asp.net life cycle?
web services?
Ws- security?

all the best...
Uday