firewall
Router
Internet Security is the act of adding software tools to your Internet device or traffic so that the security of your identity, location, data and traffic is improved. The Internet was never designed to be point to point secure. To correct this deficiency software tools have been created to improve the user experience online.
Disregarding Official Traffic Control Device
A peice of hardware of software that blocks internet or network traffic is called a Firewall.
It is a device that analyzes and adjusts network traffic and speed to provide optimum performance for all users and applications.
Mirena is an intrauterine device that prevents unwanted pregnancies.
traffic signal, sign etc
Yes, a stop sign is a traffic control device in Illinois.
A serverThe device that manages trafic between two networks is a router.
Device which are on the network and the traffic is passing thru it.
no disobeying a traffic device is in the catogory of blowing a red light or stop sign
Make the device very small, so that the capacitance of the device is small