相关试题
【单选题】
螺旋桨1045 CCW，其含义是什么___
A. 桨叶直径10mm，宽度4.5mm，逆时针旋转的螺旋桨
B. 桨叶直径10英寸，螺距4.5英寸，逆时针旋转的螺旋桨
C. 桨叶直径10英寸，螺距45英寸，顺时针旋转的螺旋桨
【单选题】
众所周知，物体运动的速度是一个矢量，关于飞行过程中的空速与地速的关系，下列正确的是___
A. 正侧风时，空速＝地速
B. 逆风时，空速＜地速
C. 无论何时，空速＋风速=地速
【单选题】
无刷电机如果遇到旋转方向相反，需要换向时应如何处理___
A. 电调与飞控连接线进行对换
B. 电调与电机连接线3根中任意对换2根
C. 电调与电源线连接线进行对换
【单选题】
若一架无人机在飞行中可以进行舵面遥控，但无实时图像信号，地面站有各类仪表信息，但无法编辑航点航线，请问该无人机的遥控器( )正常，图传( )故障，数传电台( )正常，( )故障。___
A. 下行链路、上行链路、下行链路、上行链路
B. 上行链路、下行链路、下行链路、上行链路
C. 上行链路、上行链路、下行链路、下行链路
【单选题】
关于失速，下面哪个说法是不正确的___
A. 机翼迎角超过临界角，导致升力急剧降低的飞行状态称为失速。
B. 直升机前飞速度过快，可能导致后行旋翼出现失速。
C. 失速会导致升力系数急剧减小，阻力系数缓慢减小。
【单选题】
民用无人机调整中的基本感度是：___
A. 飞控PID调节中的比例项P的系数
B. 飞控PID调节中的I积分系数
C. 飞控PID调节中的D微分系数
【单选题】
多旋翼无人机以下哪个下降速度较为合理___
【单选题】
目前无人机平台常用动力电池类型为锂聚电池，关于其特点错误的是：___
A. 无记忆效应
B. 标称电压一般为3.7V
C. 充满电压一般为4.7V
【单选题】
关于升阻比(同一迎角的升力与阻力的比值)和载荷因数，以下说法错误的是： ___
A. 在最小阻力迎角下飞行，可以获得最大的升阻比
B. 载荷因数与升阻比成正比
C. 升力与重力的比值称为载荷因数
【单选题】
多旋翼无人机在姿态遥控状态下，如出现动力失效则正确的处理方法是：___
A. 遥控器油门保持中间略上位置
B. 接地瞬间将油门收至最小
C. 始终保持油门最大位置试图恢复动力
【单选题】
对于混合燃油发动机，冬天的机油、燃油混合比到了夏天应如何调整：___
A. 机油燃油混合比适当减小（机油黏性大，所气温低时少用。机油是重油，分子比较大，同样重量的燃油和机油，在氧气充足的情况下，机油燃烧产生的热量更多）
B. 机油燃油混合比适当增大
C. 机油燃油混合比不变
【单选题】
根据升力公式，在其它条件不变的情况下，空速增大一倍，升力增大几倍___
【单选题】
飞机续航时间最长的飞行状态是什么___
【单选题】
什么是迎角：___
A. 水平面与机翼弦线的夹角
B. 来流（风的来向）与机翼弦线的夹角
C. 垂直面与机翼弦线的夹角
【单选题】
IMU里的三轴陀螺仪是测量什么的___
A. 三轴角速度
B. 三轴加速度
C. 飞机航向
【单选题】
电机KV值的含义是___
A. 电机负载时每伏特电压下电机的转速
B. 电机空载时每伏特电压下电机的转速
C. 电机的最大耐受电压
【单选题】
飞机在空中悬停，俯视观察到顺时针桨加速旋转，逆时针桨减速旋转，请问飞机怎么运动：___
A. 顺时针旋转
B. 逆时针旋转
C. 加速上升
【单选题】
失控紧急处理，油门应处于什么位置___
【单选题】
电机KV值计算，200KV电机用25V电源供电，转速是多少___
A. 5000r/min
B. 5000r/h
C. 5000r/S
【单选题】
EXP在遥控器中的含义是___
A. EXP是中立微调，调节的是摇杆的零位
B. EXP是指数曲线，调节的是摇杆在不同位置的灵敏度
C. EXP是舵机方向，调节的是摇杆的正反位置
【单选题】
哪个是最常使用的遥控器无线电的频率___
A. 1.4GHz
B. 2.4GHz
C. 4.8GHz
【单选题】
两块3S 2200mAh 15C的电池并联，最大功率是多少___
A. 431.6W
B. 631.6W
C. 831.6W
【单选题】
如何改变电机的旋转方向：___
A. 任意调换电调和电机连接线三根中的两根
B. 任意调换电调和飞控连接线三根中的两根
C. 在遥控器中设置舵面反向
【单选题】
电机型号4114，这四个数字是什么含义，单位是什么___
A. 表示电机定子高度是41mm，定子直径是14mm
B. 表示电机定子直径是41mm，定子高度是14mm
C. 表示电机转子直径是41mm，转子高度是14mm
【单选题】
飞控系统是通过什么设备和地面站连接的___
【单选题】
2200mah的电池，0.5C充电，充电器调多少安：___
【单选题】
5000mah的电池标有15C，这里的15C是指：___
【单选题】
5000mah的电池，剩余电量20%，用2C充电，充满多长时间___
【单选题】
1045的桨，45代表什么___
A. 桨叶螺距是45毫米
B. 桨叶螺距是45英寸
C. 桨叶螺距是4.5英寸
【单选题】
为什么有的遥控器轻微拨杆飞机姿态变化很大，有的遥控器轻微拨杆飞机姿态变化很小，应该在遥控器的哪两个菜单调整___
A. 指数曲线（EXP）,可调比率（DR）
B. 指数曲线（EXP）,中立微调（SUB-TRIM）
C. 指数曲线（EXP）,舵机行程（END POINT）
【单选题】
2块6S ，22000mah的电池串联，单片电池满电4.2V，请问总电压，总容量各是多少___
A. 总电压25.2V ，总容量44000mah
B. 总电压25.2V ，总容量22000mah
C. 总电压50.4V ，总容量44000mah
【单选题】
1505两叶桨、1604两叶桨、1404三叶桨，三种类型的桨叶，哪种平飞速度更快？（升力更大）___
【单选题】
FAIL SAFE是遥控器中什么功能___
【单选题】
多旋翼飞行器为什么相邻的两只桨旋转方向相反___
A. 为了便于改变航向
B. 互相抵消动力
C. 互相抵消反扭矩
【单选题】
一架无人机运输到较远的地方，需要重新校准哪些传感器 ：___
A. 遥控器
B. GPS
C. 磁罗盘、陀螺仪、加速度计
【单选题】
GPS、IMU、MAG航向仪在工作时哪个最易受到外界干扰___
【单选题】
以下遥控器菜单，哪个是模型选择：___
A. System
B. Model Select
C. Link
【单选题】
多旋翼无人机（电动和油动）通常采用以下哪几种方式来改变桨叶升力的大小:①桨叶旋转变速②桨叶变总距③桨叶周期性变距___
【单选题】
什么叫螺距：___
A. 螺旋桨的长度
B. 螺旋桨旋转一周前进的距离
C. 螺旋桨与水平面的夹角
推荐试题
【判断题】
抗战胜利初期，中国民主同盟主张“以民主的方式争取民主，以合法地行动争取合法的地位”，企图走第三条道路。
【判断题】
1946年1月政治协商会议决议虽不是新民主主义性质的，但在一个时期内，是否忠实履行它，是人民衡量政治是非的重要尺度。
【判断题】
从1946年到1949年，中国共产党领导中国人民解放军，经过战略防御、战略相持、战略反攻三个阶段，最后打败了国民党，取得了解放战争的胜利。
【判断题】
《中国土地法大纲》是中国共产党制定和颁布的第一个土地改革法令，为打败蒋介石、建立新中国的建立奠定了深厚的群众基础。
【判断题】
国统区第二条战线的形成，表明在不仅在军事战线上，而且在政治战线上，国民党都打了败仗。
【判断题】
抗战胜利后，一些民主党派领导人所主张的“中间路线”实质上就是资产阶级共和国方案，是旧民主主义的道路。
【判断题】
内战爆发后，客观形势决定了人民没有走中间路线的余地，原先主张走第三条道路的各党派都靠近了中国共产党，站到了新民主主义革命的立场上来。
【判断题】
1949年9月的召开的中国人民政治协商会议，是新中国的创建会议，《共同纲领》起着临时宪法的作用。
【判断题】
民主党派参加新政协并在新中国参政，标志着民主党派地位的根本变化，它们不再是在野党，成为了中国人民民主专政的参加者。
【判断题】
人民民主专政的新中国的创建，标志着近代以来中国面临的两大历史任务的基本完成。
【单选题】
A vSphere content library administrator is attempting to unpublish the content library, but the option is grayed out as shown in the Exhibit. Which statement identifies the reason for not being able to unpublish? ___
A. The content library is optimized for syncing over HTTP.
B. A synchronization operation is in progress with this content library.
C. There are active subscriptions on this content library.
D. Underlying storage for this content library is not accessible.
【单选题】
Assuming a mirrored (RAID-1) object configuration, how many hosts must contribute storage in a non-stretched VMware vSAN cluster to satisfy the “Number of failures to tolerate” policy option?“n” is the desired “Number of failures to tolerate” value for all options.___
A. 2n+2
B. 2n
C. 2n+1
D. 3n
【单选题】
An administrator must change the statistics level for short-term performance monitoring and wants to collect metrics for all counters, excluding minimum and maximum rollup values. What would be the statistics level?___
A. Level 3
B. Level 1
C. Level 2
D. Level 4
【单选题】
In a vSphere environment, two resource pools are created as shown in the Exhibit. Each VM is configured with 1 GB of memory. When the administrator tried to power on VM3, the operation failed. What action in the resource pool settings will allow VM3 to power on successfully?___
A. Deselect Expandable Memory Reservation
B. Increase Memory Reservation
C. Deselect Expandable CPU Reservation
D. Increase the CPU Reservation
【单选题】
Which network is used by vSphere HA when VMware vSAN is enabled?___
A. Management network
B. vSphere Replication network
C. vMotion network
D. VSAN network
【单选题】
Which statement is correct when migrating from a Windows vCenter Server to the vCenter Server Appliance 6.5?___
A. Migration deployments do not migrate local OS users from the source vCenter Server.
B. Migration deployments support DHCP on the source vCenter Server.
C. Migration deployments allow the source vCenter Server to remain powered on afterwards.
D. Migration deployments support custom ports for all services on the source vCenter Server.
【单选题】
How can failback of a recovered virtual machine in vSphere Replication be performed?___
A. No action required, because failback is automatically performed to the source site.
B. Configure a new replication in the reverse direction at the target site.
C. Disable or Stop the virtual machine replication on the source site.
D. Power off and unregister the virtual machine on the target site.
【单选题】
After upgrading the vSphere infrastructure and VMware Tools to version 6.5, the “Upgrade VM Compatibility” option is grayed out in the vSphere Web Client. (See Exhibit.) What must the administrator do to enable the VM compatibility upgrade?___
A. VMware Tools should be upgraded last.
B. Restart the ESXi server.
C. Uninstall VMware Tools.
D. Power off the virtual machine.
【单选题】
What availability mode does vCenter HA provide?___
A. Active-Passive
B. Active-Standby
C. Active-Active
D. Load-balanced
【单选题】
In which scenario will vSphere DRS balance resources when set to Fully Automated?___
A. Hosts with only shared storage
B. Hosts are part of a vSphere HA cluster
C. Power Management is set to Balanced on hosts
D. Hosts with shared or non-shared storage
【单选题】
What VMware technology can be used to move physical servers to the vSphere infrastructure?___
A. VMware vMotion
B. VMware Converter
C. VMware vCenter Server
D. OVF transport
【单选题】
Upgrading vCenter Server with Microsoft SQL database fails with the following error message: The DB User entered does not have the required permissions needed to install and configure vCenter Server with the selected DB. Please correct the following error(s): %sWhat could cause this error?___
A. incorrect ports open on SQL Server
B. incorrect database on the SQL server
C. incorrect compatibility mode on the SQL server
D. incorrect permission on SQL Server database
【单选题】
What is a potential downside of having more than four paths per datastore?___
A. limits the storage protocols
B. increases storage latency for VM
C. limits the path selection policies
D. limits the number of LUNs per host
【单选题】
Which feature facilitates the sharing of templates via vCenter Server?___
A. Content Library
B. OVF
C. folders
D. vApp
【单选题】
A vSphere Administrator is in the process of configuring replication for a virtual machine, but is not able to select the Recovery Point Objective (RPO) value of 5 minutes. Which statement could explain why the RPO value cannot be lower than 15 minutes?___
A. The OS quiescing option is selected for Replication options.
B. The virtual machine hardware version is not compatible.
C. The target and source sites use different types of datastores.
D. The target and source sites are not using VMFS 6.0 datastore.
【单选题】
What advanced parameter defines a custom isolation IP address for a vSphere HA cluster?___
A. das.usedefaultisolationaddress
B. das.isolationshutdowntimeout
C. fdm.isolationpolicydelaysec
D. das.isolationaddress
【单选题】
Which method is supported for backing up the virtual machine that contains vCenter Server?___
A. differential
B. incremental
C. full image
D. individual disks
【单选题】
A vSphere Administrator must ensure that a user is able to view and manage the system configuration in vSphere Web Client. In the vCenter Single Sign-On domain, which group should the user be a part of?___
A. SystemConfiguration.BashShellAdministrators
B. ComponentManager. Administrators
C. Administrators
D. SystemConfiguration.Administrators
【单选题】
What is the minimum number of hosts that must contribute capacity to a non-ROBO single site VMware vSAN cluster?___
【单选题】
Which guest operating system supports PVRDMA?___
A. Windows (32-Bit)
B. Linux (32-Bit)
C. Windows (64-Bit)
D. Linux (64-Bit)
【单选题】
What is the correct way to replace the certificate on an existing vCenter Server that is part of a vCenter HA configuration?___
A. Put the vCenter HA in Maintenance mode, replace the certificate, exit Maintenance mode.
B. Shut down Passive and Witness nodes and replace the certificate on the Active node.
C. Remove the Passive and Witness nodes, replace the certificate, reconfigure the cluster.
D. Replace the certificate while all nodes are participating in the cluster.
【单选题】
The vSphere Data Protection performance analysis results in the “Conditionally Passed” status. What can cause this condition?___
A. The results did not meet the minimum performance expectations.
B. The read, write, and seek tests were successful.
C. The read and write tests were successful but the seek test failed.
D. The read and write tests were successful but the seek test skipped.
【单选题】
A vSphere Administrator wants to reserve 0.5 Gbps for virtual machines on each uplink on a disturbed switch that has 10 uplinks. What is the quota that should be reserved for the network resource pool?___
A. 10 Gbps
B. 5 Gbps
C. 100 Gbps
D. 0.5 Gbps
【单选题】
A vSphere administrator manages a cluster which includes critical and non-critical virtual machines. The cluster requires different permissions for contractors and non-contractors. How can the administrator exclude the contractor group from some of the critical VMs?___
A. Apply permission for both contractors and non-contractors on the cluster level.
B. Apply permission for both contractors and non-contractors on the cluster level. Remove permission on the critical VMs for contractors.
C. Remove permission for contractors on the cluster level. Apply permission on the critical VMs for noncontractors.
D. Apply permission for both contractors and non-contractors on the VMs. Remove permission on the critical VMs for contractors.
【单选题】
In an ESXi 6.5 cluster only "NFS datastore has running or registered virtual machines" returns. A vSphere HA cluster with four hosts has admission control configured to tolerate one host failure. Which statement is true if a fifth host is added?___
A. CPU and Memory capacity will be set to 50%.
B. CPU and Memory capacity will be set to 30%.
C. CPU and Memory capacity will be set to 25%.
D. CPU and Memory capacity will be set to 20%.
【单选题】
Which command can be run to troubleshoot connectivity problems with vmkernal network interfaces?___
A. esxcli network
B. vmkping
C. net-status
D. vicfg-vmknic
【单选题】
What counter should an administrator check to determine if a virtual machine is ballooning?___
A. swapinRate
B. vmmemctltarget
C. swapped
D. vmmemctl
【单选题】
By default, how often is the vCenter vpx user password automatically changed?___
A. 15 days
B. 60 days
C. 30 days
D. 45 days
【单选题】
Which metric in the Exhibit would identify high latency for a virtual machine operating system?___
A. QAVG/cmd
B. KAVG/cmd
C. DAVG/cmd
D. GAVG/cmd
【单选题】
What VM Monitoring setting would ensure that the failure interval for a virtual machine is defined as 120 seconds?___
A. High
B. Normal
C. Low
D. Medium
