【单选题】
正常情况下当飞机主电源失效时，对于ADIRU工作情况描述正确的是___
A. ADIRU1和ADIRU2保持工作，ADIRU3失效
B. ADIRU1和ADIRU3保持工作，ADIRU2失效
C. ADIRU1保持工作，ADIRU2和ADIRU3失效
D. ADRIRU1和IR3保持工作，ADIRU2和ADR3失效
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答案
C
解析
暂无解析
相关试题
【单选题】
在哪种情况下，AP/FD，自动油门和着陆能力完全消失：___
A. 两台IRS或两台ADR失效
B. 两台无线电高度表(RA)失效
C. 两台ILS失效
D. VOR方位闪烁且航道指针消失
【单选题】
飞机以150海里/小时的速度，起落架和襟翼未放下，下降到500英尺无线电高度，GPWS（近地警告系统）启动哪一个警告？___
A. Toolowflpas
B. Terrain-terrain
C. Toolowgear
D. 以上都不对
【单选题】
如果ATC方式选择器被置于自动(AUTO)位：___
A. 所选的ATC只在空中工作
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C. 只要有一台发动机工作，所选的ATC即工作
D. 以上都不对
【单选题】
在ND上选择了ADF1而未收到：___
A. 方位指针消失，显示ADF标识符
B. 方位指针消失，电台标识由红色十字代替
C. 方位指针变成红色，电台标识由频率代替
D. 方位指针消失，电台标识由频率代替
【单选题】
在ND上，如果VOR接收机故障：___
A. 红色VOR标识符显示，航道指针变成红色
B. VOR方位变成红色且航道指针消失
C. VOR方位和航道指针消失
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【单选题】
在ROSEVOR方式上，已选择VOR1,ND显示哪些信息：___
A. 偏差指针，所选航道及方位指针
B. 仅是方位指针
C. 仅是偏差指针和所选航道
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【单选题】
如果两个FMGC都故障，可用下列哪种方式选择无线电导航频率?___
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D. 不确定
【单选题】
如果ADIRU2失效，第二部应答机还能工作在高度报告方式吗？___
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B. 能够，高度数据可人工转换到从ADIRU3接收
C. 不能
D. 不确定
【单选题】
TCAS/ATC控制面板可控制：___
A. 可直接控制ATC应答机和TCAS计算机
B. 可直接控制ATC应答机，通过ATC应答机可控制TCAS计算机
C. 可直接控制TCAS计算机，通过TCAS计算机可控制ATC应答机
D. 不确定
【单选题】
TCAS可从___组件接收航向、俯仰和横滚数据。___
A. ADIRU1
B. 可能是ADIRU1或ADIRU3,具体由转换开关确定
C. 所选定的ATC应答机
D. 不确定
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C.
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.Which three statements de scribe DHCP spoofing attacks？___
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F. They are can physically modify the network gateway.
【多选题】
Which statement about the communication between interfaces on the same security level is true？___
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【多选题】
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【单选题】
How does a zone pair handle traffic if the policy de fination of the zone pair is missing?___
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D. It permits and logs all traffic
