200-301 · Question #291
Which device permits or denies network traffic based on a set of rules?
The correct answer is A. firewall. A firewall is a network security device that monitors and filters incoming and outgoing network traffic based on predefined security rules.
Question
Which device permits or denies network traffic based on a set of rules?
Options
- Afirewall
- Bswitch
- Caccess point
- Dwireless controller
How the community answered
(18 responses)- A94% (17)
- B6% (1)
Why each option
A firewall is a network security device that monitors and filters incoming and outgoing network traffic based on predefined security rules.
A firewall is specifically designed to enforce security policies by permitting or denying network traffic based on rules such as source/destination IP addresses, port numbers, and application protocols.
A switch operates at Layer 2 (data link layer) and forwards traffic based on MAC addresses within a local network segment, without inspecting or filtering based on higher-layer rules.
An access point connects wireless devices to a wired network and primarily handles wireless connectivity and Layer 2 forwarding, not policy-based traffic filtering.
A wireless controller centrally manages access points and their configurations, but it does not directly perform packet filtering based on security rules like a firewall.
Concept tested: Firewall function
Source: https://learn.microsoft.com/en-us/windows/security/threat-protection/windows-firewall/windows-firewall-with-advanced-security-overview
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