GIAC Certified Perimeter Protection Analyst GPPA Question # 11 Topic 2 Discussion

GIAC Certified Perimeter Protection Analyst GPPA Question # 11 Topic 2 Discussion

GPPA Exam Topic 2 Question 11 Discussion:
Question #: 11
Topic #: 2

Which of the following firewall types operates at the Network layer of the OSI model and can filter data by port, interface address, source address, and destination address?


A.

Circuit-level gateway


B.

Application gateway


C.

Proxy server


D.

Packet Filtering


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