Which statement correctly describes a type of filtering firewall?
- A transparent firewall is typically implemented on a PC or server with firewall software running on it.
- A packet-filtering firewall expands the number of IP addresses available and hides network addressing design.
- An application gateway firewall (proxy firewall) is typically implemented on a router to filter Layer 3 and Layer 4 information.
- A stateful firewall monitors the state of connections, whether the connection is in an initiation, data transfer, or termination state.
Exam with this question: CCNA Security Chapter 4 Exam (CCNAS v1.2)
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