Refer to the exhibit. What type of firewall would use the given cofiguration line?

The correct answer is A. a stateful firewall. Although the exhibit image is not shown here, the correct answer points to a stateful firewall. Stateful firewalls track the state of active network connections (e.g., TCP handshake phases, UDP pseudo-sessions) using a state table. A configuration line such as Cisco IOS 'ip…

Cisco Firewall Technologies

Question

Options

Aa stateful firewall
Ba personal firewall
Ca proxy firewall
Dan application firewall
Ea stateless firewall

How the community answered

(21 responses)

A
90% (19)
B
5% (1)
D
5% (1)

Explanation

Although the exhibit image is not shown here, the correct answer points to a stateful firewall. Stateful firewalls track the state of active network connections (e.g., TCP handshake phases, UDP pseudo-sessions) using a state table. A configuration line such as Cisco IOS 'ip inspect' (CBAC) or an ASA 'inspect' command inside a policy-map is characteristic of stateful inspection. This approach automatically permits return traffic that belongs to an established session without needing an explicit inbound rule, unlike a stateless (packet-filter) firewall, which evaluates each packet independently. Proxy and application firewalls operate at Layer 7 and require a full connection termination, which is distinct from stateful inspection.

Topics

#stateful firewall#firewall types#stateful inspection#connection tracking

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