CompTIA Security+ Question L-1

Peter, the compliance manager, wants to meet regulations. Peter would like certain ports blocked only on all computers that do credit card transactions. Which of the following should Peter implement to BEST achieve this goal?

A. A host-based intrusion prevention system
B. A host-based firewall
C. Antivirus update system
D. A network-based intrusion detection system

Answer: B

A host-based firewall is installed on a client system and is used to protect the client system from the activities of the user as well as from communication from the network or Internet.