C.apple domain is to use the personal sharing files from one computer to another computer
Restrictive policy is a kind of policy calls for a firewall to contradict all traffic by default. The first rule denies all traffic on any service and using any port. To permit a specific type of traffic, a new rule must be placed ahead of the deny all rule. A firewall should enforce the overall policy recognized by the network administrator. Enforcement is controlled mainly over setting up packet filtering rules which is a rule base comprises a set of these rules.
A machine called a centrifuge is used in many technologies and branches
of science, it uses rotary motion to separate material held in
suspension from the medium it is suspended in.