Roman control was only effective in（）.A、ScotlandB、WalesC、LondonD、The southeast of Britain
Roman control was only effective in（）.
- A、Scotland
- B、Wales
- C、London
- D、The southeast of Britain
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单选题What is the difference between the Ethanalyzer and the SPAN feature in Cisco NX-OS？（）A The Ethanalyzer captures control-plane traffic， while SPAN captures all traffic.B The Ethanalyzer captures all traffic including control-plane traffic， while SPAN captures only the control-plane traffic.C The Ethanalyzer captures only data traffic， while SPAN captures all traffic.D The Ethanalyzer captures only control traffic， while SPAN captures data traffic.