Which of the following is the most secure firewall implementation?

The correct answer is B. Screened-subnet firewalls. One the most secure implementations of firewall architectures is the screened- subnet firewall. It employs two packet-filtering routers and a bastion host. Like a screened host firewall, this firewall supports both packet-filtering and proxy services.

Submitted by fatema_kw· Apr 18, 2026Network and Communications Security

Question

Options

ADual-homed host firewalls
BScreened-subnet firewalls
CScreened-host firewalls
DPacket-filtering firewalls

How the community answered

(22 responses)

A
14% (3)
B
73% (16)
C
5% (1)
D
9% (2)

Explanation

One the most secure implementations of firewall architectures is the screened- subnet firewall. It employs two packet-filtering routers and a bastion host. Like a screened host firewall, this firewall supports both packet-filtering and proxy services.

Topics

#Firewall architectures#Network security#DMZ#Firewall types

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