1. Which QoS model provides per-request policy admission control?
- best effort
- integrated services
- differential services
Explanation: The integrated services QoS model provides per-request policy admission control.
2. Which QoS model requires no special QoS mechanisms?
- best effort
- integrated services
- differential services
Explanation: The best effort QoS model does not require special QoS mechanisms.
3. Which QoS model provides many different levels of quality?
- best effort
- integrated services
- differential services
Explanation: The differentiated services QoS model provides different levels of quality.
4. Which QoS model uses explicit end-to-end resource admission control?
- best effort
- integrated services
- differential services
Explanation: The integrated services QoS model provides explicit end-to-end resource admission control.
5. Which QoS model is the most scalable?
- best effort
- integrated services
- differential services
Explanation: Of the QoS models, differentiated services is the most scalable.