____________________ is designed from the ground up to be a complete VoIP or video presentation connection and session controller; in essence, taking over all the work from VoIP the SIP protocol used to do and all the work from video presentation done by H.323.

Which one of the following would be considered an example of infrastructure as a service cloud computing?

A. Payroll system managed by a vendor and delivered over the web B. Application platform managed by a vendor that runs customer code C. Servers provisioned by customers on a vendor-managed virtualization platform D. Web-based email service provided by a vendor

Which goal of cryptography is concerned with ensuring that the contents of a message are not revealed to third parties?

a. Integrity b. Confidentiality c. Nonrepudiation d. Authentication