What are two characteristics of the best-effort QoS model? (Choose two.)

Question:
What are two characteristics of the best-effort QoS model? (Choose two.)

• It allows end hosts to signal their QoS needs to the network.
• It uses a connection-oriented approach with QoS.
• It provides preferential treatment for voice packets.
• It does not provide a delivery guarantee for packets.
• It treats all network packets in the same way.

Explanation: The best-effort QoS model provides no guarantees and it is commonly used on the Internet. The best-effort QoS model treats all network packets in the same way.

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