The default in C is to make calls by reference to limit a called function's ability to alter variables in the calling function.

________ is a set of SOAP extensions for implementing message integrity and confidentiality in Web services.

Fill in the blank(s) with the appropriate word(s).

Which of the following is an example of willful damage?

A) Cybercrime B) User or operator error C) Hazardous chemical exposure D) Public health emergency