Prior to each flight,flight attendantsattend a_______with the pilots andpurser during which they go over safety and emergency checklist.
A. safety briefing
B. safety check
C. safety demonstration
D. safety concern
查看答案
In the event of_______of the captain, the first officer willtake onthe duties of PIC.
A. incapacitation
B. incapacitated
C. disable
D. disconfortable
In the event ofincapacitationof the captain, the first officer will_______the duties of PIC.
A. take off
B. take into
C. take out
D. take on
下列哪种组网方式可用于5G的接入网部署？
A. DRAN
B. CRAN
CloudRAN
D. 以上都可以
下列哪个选项不是DRAN架构的优势？
A. 可根据站点机房实际条件灵活部署回传方式
BBU和射频模块共站部署，前传消耗的光纤资源少
C. 单站出现供电、传输方面的问题，不会对其他站点造成影响
D. 可通过跨站点组基带池，实现站间基带资源共享，资源利用更加合理
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