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问题 单项选择题

根据我国船舶登记条例，应依法登记的船舶包括（）。

Ⅰ．我国公民个人所有的船舶；Ⅱ．政府公务船舶；Ⅲ．我国境内航运公司的船舶；Ⅳ．渔业船舶。

A．Ⅰ～Ⅳ

B．Ⅰ、Ⅱ

C．Ⅰ～Ⅲ

D．Ⅰ、Ⅲ、Ⅳ

答案

参考答案：C

单项选择题

NAC’s (Network Access Control) role is to restrict network access to only compliant endpoints and（）users. However, NAC is not a complete LAN（）solution; additional proactive and（）security measures must be implemented. Nevis is the first and only comprehensive LAN security solution that combines deep security processing of every packet at 10Gbps, ensuring a high level of security plus application availability and performance. Nevis integrates NAC as the first line of LAN security（）. In addition to NAC, enterprises need to implement role-based network access control as well as critical proactive security measures — real-time, multilevel（）inspection and microsecond threat containment.

NAC’s (Network Access Control) role is to restrict network access to only compliant endpoints and（）users.

A．automated

B．distinguished

C．authenticated

D．destructed
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问答题 简答题

简述移动床气化炉的燃料分层情况，并说明各层的主要作用。
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