Answer
Closed zone operating space means there is a restriction to the drivers line of sight
Explanation
The line of sight restriction to a driver or while driving is the visible path of travel from your vehicle to your targeted area towards your destination.It is also the area that's visible to a driver while driving.
Closed zone or condition means that there is a restriction to the drivers view or that the space is unavailable in a particular zone.
These advanced camera shots, or angles, are used in film to convey an effect or emotion rather than exemplify a sense of space. Before filming, cinematographers will write out their shot list in order to plan how each scene of their film should be shot
The best step to take is to have some kind of anti-malware/spyware software. Hope this helps you!
-Belle
<span>IP spoofing the falsification of the source ip address in a packet's header so that it appears to have come from a trusted or legitimate sender.</span>