What functionality is required on routers to provide remote workers with VoIP and video-conferencing capabilities?

What functionality is required on routers to provide remote workers with VoIP and video-conferencing capabilities?

• IPsec
• PPPoE
• QoS
• VPN

Explanation: Quality of service (QoS) needs to be enabled on routers to provide support for VoIP and video conferencing. QoS refers to the capability of a network to provide better service to selected network traffic, such as voice and video traffic.

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