A(n) ________ is a picture representation of a program or application that provides a constant stream of information

Which tool could be used to check for AC issues?

A) Loopback plug B) Circuit tester C) Toner probe D) PSU tester

_________ can be an effective means of protecting a local system or network of systems from network based security threats while at the same time affording access to the outside world via wide area networks and the Internet. ?

A. ?VPNs ? B. ?Proxys ? C. ?Firewalls ? D. ?SOCKS