Which device would be classified as a trusted endpoint?

Question:
Which device would be classified as a trusted endpoint?

• switch
• router
• firewall
• IP phone

Explanation: Trusted endpoints are devices that have the capability to mark application traffic at Layer 2 or Layer 3. Trusted endpoints include the following:
- IP phones
- Wireless access points
- Videoconferencing gateways and systems
- IP conferencing stations and more

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