试题详情
- 单项选择题 Refer to the exhibit. What is the effect when the switchport priority extend cos 3 command is configured on the switch port interface connected to the IP phone？（）
A、 The IP phone is enabled to override with aCoS value of 3 the existing CoS marking of the PC attached to the IP phone.
B、 The switch will no longer tag incoming voice packets and will extend the trust boundary to the distribution layer switch.
C、 RTP will be used to negotiate aCoS value based upon bandwidth utilization on the link.
D、 Effectively， the trust boundary has been moved to the PC attached to the IP phone.
E、 The computer is now establishing theCoS value and has effectively become the trust boundary.
- A
关注下方微信公众号，在线模考后查看
热门试题
- Which interfac
- WFQ？
- Which of
- 在哪一个环境下交换机在lan出现多个相同
- Refertotheexhibit.Wi
- 对于访问控制列表条件的判断语句中，与子网
- On Cisco
- 关于千兆以太网，以下说法正确的是（）。
- How can Cisco NetFlo
- 请参见图示。Switch1在默认的Cis
- How do r
- Which two of these c
- What are three IPv6
- Which interface comm
- 编辑3D文字时，怎样得到能够在三维空间内
- Which three statemen
- 为推动局域网技术的应用，成立了IEEE。
- You download a file
- A company
- Examine the