Answer:
The correct answer for the given question is "Firewall"
Step-by-step explanation:
Firewall are provide the security it restrict the the unauthorized access to or from the private network it allow only authorized access and also control the incoming and outgoing network traffic on the basis of some security rules the firewall manage the network traffic .Many organizations used this for security purpose for authorized traffic will pass and no unauthorized access will takeplace by blocking the unauthorized access to the computer from internet .