With web services, you can create ________, which enable you to rapidly develop apps by quickly combining complementary web services, often from different organizations and possibly other forms of information feeds.

Your organization decides to use digital signatures to sign messages. In addition, the messages will be encrypted. Which security tenets are covered by this implementation?

A. confidentiality B. authentication C. nonrepudiation D. integrity E. options a and b only F. options c and d only G. options b, c, and d only H. all of the options

The expression __________ returns the current system time and date.

``` a) DateFormat.getDateTime() b) new Date() c) DateFormat.getDateTimeInstance() d) new CurrentDate() ```