End-user development is inappropriate for which types of systems?

a		Systems that need to be developed rapidly.
b		Systems that must be easy to use.
c		Systems that process a large number of transactions.
d		Organizations that have large IT departments.

Asymmetric key encryption combined with the information provided by a certificate authority allows unique identification of

	a	the user of encrypted data.
	b	either the user or the provider of encrypted data.
	c	the provider of encrypted data.
	d	both the user and the provider of encrypted data.