B. Internet Telephony would be my best guess. I'm not that good with computers. Hope this Helps :-)
172.30.0.0: private network
10.20.1.0: public network
Answer:
Go to internet, click use as LAN under the cable section and click yes to confirm
Project managers (PMs) are responsible for planning, organizing, and directing the completion of specific projects for an organization while ensuring these projects are on time, on budget, and within scope.