Which is a characteristic of a packet filtering firewall?
- They are a stateful firewall.
- They implement simple permit or deny rule sets.
- They do not reliably filter fragmented packets.
- They are not susceptible to IP spoofing.
Explanation: There are several advantages of using a packet filtering firewall:
- Packet filters implement simple permit or deny rule sets.
- Packet filters have a low impact on network performance.
- Packet filters are easy to implement, and are supported by most routers.
- Packet filters provide an initial degree of security at the network layer.
- Packet filters perform almost all the tasks of a high-end firewall at a much lower cost.
Exam with this question: 3.5.9 Check Your Understanding – Firewall and Host-Based Intrusion Prevention
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