【单选题】
关于多轴使用的无刷电机与有刷电机，说法正确的是：___
A. 无刷电调驱动交流电机
B. 有刷电调驱动交流电机
C. 无刷电调驱动直流电机
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答案
A
解析
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【单选题】
某多轴动力电池标有3S2P字样，代表：___
A. 电池组先由3个单体串联，再将串联后的2组并联
B. 电池组先由2个单体串联，再将串联后的3组并联
C. 电池由3S2P公司生产
【单选题】
视距内飞行是指：___
A. 目视视距内半径不大于500米，人、机相对高度不大于120米
B. 目视视距内半径不大于1000米，人、机相对高度不大于120米
C. 目视视距内直径不大于500米，人、机相对高度不大于120米
【单选题】
下面关于多旋翼的说法错误的是：___
A. 旋翼的基本功能是产生拉力
B. 旋翼的基本功能是产生前进推力
C. 本质上讲旋翼是一个能量转换部件，它把电动机传来的旋转动能转换成旋翼拉力
【单选题】
悬停状态的六轴飞行器如何实现向前移动：___
A. 纵轴右侧的螺旋桨减速，纵轴左侧的螺旋桨加速
B. 横轴前侧的螺旋桨加速，横轴后侧的螺旋桨减速
C. 横轴前侧的螺旋桨减速，横轴后侧的螺旋桨加速
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下列哪种方式有可能会提高多轴飞行器的载重：___
A. 电机功率不变，桨叶直径变大且桨叶总距变大
B. 桨叶直径不变，电机功率变小且桨叶总距变小
C. 桨叶总距不变，电机功率变大且桨叶直径变大
【单选题】
某多轴电调上有BEC 5V字样，意思是指：___
A. 电调能从较粗的红线与黑线向外输出5V的电压
B. 电调能从较细的红线与黑线向外输出5V的电压
C. 电调需要从较粗的红线与黑线输入5V的电压
【单选题】
飞行教员不需要在飞行教员记录本或单独文件中记录的内容是：___
A. 教学的内容、课时、日期和航空器型号
B. 由该教员签字推荐参加理论考试或者实践考试的每个人的姓名，包括考试的种类，日期和考试结果
C. 由该教员在飞行经历记录本或者学生驾驶员执照上签字而授予单飞权利的每个人的姓名，包括每次签名的日期以及所涉及的航空器型号
【单选题】
大气系统热量的主要来源是吸收太阳辐射（短波），下列说法哪个是正确的：___
A. 当太阳辐射通过大气层时，由24%被大气直接接收
B. 当太阳辐射通过大气层时，由34%被大气直接接收
C. 当太阳辐射通过大气层时，由44%被大气直接接收
【单选题】
对于Ⅲ类无人机应接入无人机云，在人口稠密区报告频率最少每______一次，在非人口稠密区报告频率最少每______一次：___
A. 1秒，30秒
B. 1秒，60秒
C. 5秒，30秒
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【单选题】
what improvement does EAP-FASTv2 provide over EAP-FAST？ ___
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What' s the technology that you can use to prevent non malicious program to runin the computer that is disconnected from the network？___
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【单选题】
Which statement about the communication between interfaces on the same security level is true？___
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Which feature of the Cisco Email security Appliance can mitigate the impact of snowshoe spam and sophisticated phishing attack？___
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Which type of social-engineering attack uses normal tele phone service as the attack vector？___
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Refer to the exhibit for which reason is the tunnel unable to pass traffic___
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Which type of attack can exploit design flaws in the implementation of an application without___
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C.
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Which type of attack can exploit design flaws in the implementation of an application without ？___
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B. low-rate dos attacks
C. application DDos flood attacks
D. application DDoS flood attacks
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Which two actions can a zone based firewall take when looking at traffic？ ___
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n which two situations should you use in-band management？___
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What are two ways to prevent eavesdropping when you perform device management tasks？___
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Which two features are commonly used CoPP and CPPr to protect the control plane？ ___
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Which four tunne ling prot ocols are enabled in the Dfit GrpPolicy group policy ？___
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【多选题】
Which two statements regarding the aSA VPN configurations are correct？___
A. The asa has a certificate issued by an external certificate authority associated to the ASDM TrustPoint1
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C. The Inside-srvbook mark references the https://192.168.1.2url
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E. Any Connect， IPSec IKEv1， and IPSec IKEv2 VPN access is enabled on the outside interface
F. The Inside -SRV bookmark has not been applied to the Sales group policy
【多选题】
Which three ESP fields can be encrypted during transmission？___
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【多选题】
.Which three statements de scribe DHCP spoofing attacks？___
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B. They are used to perform man- in-the-middle attacks
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D. They can access most network devices
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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？___
A. Interfaces on the same security level require additional configuration to permit interinterface communication
B. Configuring interfaces on the same security level can cause asymmetric routing
C. All traffic is allowed by default between interfaces on the same security level
D. You can configure only one interface on a n individual security level
【多选题】
In which two situations should you use in band management？ ___
A. when the control plane fails to respond
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C. when you require ROMMON access.
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【多选题】
Which two features are supported in a VRF-aware softwar infrastructure before VRF-lite?___
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D.
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.Which loS command do you enter to test authentication again a AAA server？___
A. dialer aaa suffix <suffix> password <password>
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D. aaa authentication enable default test group tacases
【多选题】
Which two statements about the self zone on a cisco Xone based policy firewall are true？___
A. Multiple interfaces can be assigned to the self zone
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【多选题】
Which type of attack can exploit design flaws in the implementation of an application without ？___
A. DHCP starvation attacks
B. low-rate dos attacks
C. application DDos flood attacks
D. application DDoS flood attacks
E. volume-based DDoS attacks
【单选题】
Which type of firewall can server as the interme diary between a client and a server ?___
A. Stateless firewall
B. application firewall
C. proxy firewall
D. personal firewall
【单选题】
What is the highest security level that can be configured for an interface on an ASA？___
A. 0
B. 50
C. 10
D. 200
【单选题】
Which term refers to the electromagnetic interference that can radiate from network cables？___
A. Gaussian distributions
B. Doppler waves
C. emanations
D. multimode distortion
【单选题】
How does a zone pair handle traffic if the policy de fination of the zone pair is missing?___
A. It inspects all traffic.
B. It drops all traffic.
C. It permits all traffic wihtout logging
D. It permits and logs all traffic
