PCI DSS Practice Question: What does a firewall do in the context of PCI DSS? | CyberCertPrep
PCI SSCPCI DSSNetwork SecurityEASYFree question
What does a firewall do in the context of PCI DSS?
A.Encrypts stored cardholder data
B.Controls and filters network traffic between trusted and untrusted networks
C.Scans for malware on endpoints
D.Generates audit logs for transactions
Why B is correct
A firewall examines network traffic and enforces rules that allow or deny connections between trusted internal networks and untrusted external networks, forming the first line of defense for the CDE.
Know someone studying for PCI DSS? Send them this one.
Where this fits in the PCI DSS exam
Network Security
Covers network security concepts and practices within PCI DSS.
This question belongs to the "Build & Maintain a Secure Network" domain, which makes up about 20% of the PCI DSS exam.
CyberCertPrep gives you 20 free PCI DSS questions per day with this same answer-and-explanation depth, plus timed exam simulations and progress tracking. No card required.
PCI DSS and PCI SSC are trademarks or registered trademarks of their respective owners. CyberCertPrep is an independent exam-preparation resource and is not affiliated with, authorized by, sponsored by, or endorsed by PCI SSC or any other certification body. All study material is independently created; the certification name is used only to identify the exam this resource helps you prepare for.
What should be done with default router passwords before deployment in a CDE?