A customer would like to implement a firewall to secure an enterprise network. However, the customer is unable to allocate any new subnets. What type of firewall mode must be implemented?

The correct answer is C. transparent. A transparent mode firewall operates at Layer 2, functioning like a bridge or a 'bump in the wire.' Because it works at Layer 2, it does not require any new IP subnets or routing changes to insert it into an existing network-it is assigned a management IP but does not act as a…

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Question

Options

Arouted
Bactive/standby
Ctransparent
Dvirtual
Eactive/active
Fzone based

How the community answered

(40 responses)

C
95% (38)
D
3% (1)
F
3% (1)

Explanation

A transparent mode firewall operates at Layer 2, functioning like a bridge or a 'bump in the wire.' Because it works at Layer 2, it does not require any new IP subnets or routing changes to insert it into an existing network-it is assigned a management IP but does not act as a routed hop for traffic. This is ideal when a customer cannot allocate new subnets. A routed mode firewall (Option A) acts as a Layer 3 hop and requires new subnets on each interface. Active/standby (B) and active/active (E) describe high-availability deployment models, not firewall modes. Virtual (D) refers to virtual firewall contexts. Zone-based (F) is a firewall policy model, not a deployment mode.

Topics

#transparent firewall#ASA modes#firewall design#Layer 2 firewall

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