Darwin has purchased a laptop for the purpose of running his stock brokerage activities from home. He has contracted Navin, a network engineer, to install a software specifically for his workstation so that the software can protect the network from certain traffic. Which one of the following firewalls is best applicable in this scenario?

a$.$

A network$-$based firewall

b$.$

An HIDS $($Host$-$Based Intrusion Detection System$)$

c$.$

A host$-$based firewall

d$.$

A proxy server