A technician needs to install software onto company laptops to protect local running services, from
external threats. Which of the following should the technician install and configure on the laptops if
the threat is network based?

A.
A cloud-based antivirus system with a heuristic and signature based engine

B.
A network based firewall which blocks all inbound communication

C.
A host-based firewall which allows all outbound communication

D.
A HIDS to inspect both inbound and outbound network communication