试题详情
- 单项选择题 The Company network administrator has entered the "auto qos voip cisco-phone" command on switch R1. What does this command do？（）
A、It disables the trust boundary feature because the switch knows a Cisco IP phone is attached.
B、The switch assigns a CoS value of 5 to incoming packets.
C、If a Cisco IP phone is attached and removed， the switch continues to trust the CoS values as long as the switch is not rebooted.
D、It turns on STP to see if a Cisco IP phone is attached.
E、If a Cisco IP phone is attached， the switch trusts the CoS.
F、None of the other alternatives apply.
- E
关注下方微信公众号，在线模考后查看
热门试题
- Which Cisco IOS diag
- Refertotheexhibit.EI
- Refertotheexhibit:Th
- 在数据链路层哪个子层用于管理在一条链路上
- How should arouter t
- 请参见图示。网络管理员需要在分层网络中实
- Which of the followi
- Which service&
- Which three
- Refer to t
- Into which two type
- In which
- Server load
- Which three
- How many
- Before installing a
- Which protocol
- Which device enables
- Refertotheexhibit.Fo
- R1 has 5 working in