COMPTIA A+ Practice Exam 2025 - Free CompTIA A+ Practice Questions and Study Guide

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What does Port Triggering do in a router?

Permanently opens incoming ports

Temporarily opens incoming ports if internal IP has instigated comms

Port Triggering is a feature that temporarily opens incoming ports on a router when an internal IP initiates communication. This allows for specific applications or devices to communicate with the outside network without leaving the ports permanently open, which can pose a security risk. The other options, permanently opening incoming ports (A), blocking all incoming ports (C), and redirecting all incoming ports to a specific IP (D), are incorrect because they do not accurately describe the functionality of Port Triggering.

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Blocks all incoming ports

Redirects all incoming ports to a specific IP

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