Microsoft DOS limits program names to _____ characters.

Match the following terms to their meanings:

I. Unbound control II. Label control III. Text Box control IV. Property Sheet A. most commonly used control B. where precise changes to characteristics of controls are made C. has no source of data D. descriptive information, usually a field name

Which of the following best describes X.509?

A. Public key infrastructure B. Standard used for digital certificates C. Database of revoked certificate D. Database of existing hash values