問題文
The guidance calls out one difference between the Cisco QoS baseline and RFC 4594 as the most significant of them. Which value does it name, and which one does Cisco recommend instead?
選択肢
- The standard asks for multimedia streaming at AF3, and Cisco recommends CS4 for it instead, because streaming media should not be subject to dropping policies.
- The standard asks for call signaling at CS5, and Cisco leaves its own value alone and recommends CS3 for call signaling.
- The standard asks for call signaling at CS3, and Cisco raises its own value and recommends CS5 for call signaling, so that signaling is never the first thing that a congested queue gives up.
- The standard asks for broadcast video at CS4, and Cisco recommends CS3 for that class instead.