DSL and dial-up Internet access both connect to an ISP over a phone line and both operate at the same speed

A VPN is used by a corporate employee who wants to securely access corporate resources from home

Indicate whether the statement is true or false

_____ provides vital protection and maintenance services for system hardware and software, including enterprise computing systems, networks, transaction processing systems, and corporate IT infrastructure.?

A. ?User support B. ?Database administration C. ?Systems support and security D. ?Network administration