【单选题】
在电源控制面板上的“汇流条连接”电门（BUSTIE）放“OFF”位置，将使（）___
A. 断开交流自动转换功能
B. APU发电机不能向电网供电
C. 外电源不能向整个电网供电
D. 以上均正确
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相关试题
【单选题】
在电源控制面板上的外电源可用灯亮后，但接不通外电源，可能原因是（）___
A. APU发电机正在向飞机电网供电
B. 发电机控制电门在断开位置
C. “汇流条连接”电门（BUSTIE）在断开位置
D. 以上A+B
【单选题】
在电源系统中，各种参数值超出正常范围后，会有怎样的指示（）___
A. 数字变为红色
B. 数字变为琥珀色并闪烁
C. 数字仍为绿色但闪烁
D. 数字变为琥珀色
【单选题】
在电源系统中，唯一的一个三级警告（红色警告）是（）___
A. 在“应急发电机状态”
B. IDG滑油压力低
C. 发电机故障
D. 交流主汇流条无电
【单选题】
在飞行中，以下说法正确的是（）___
A. 电瓶始终连在电瓶汇流条上
B. 电瓶充电限制器控制电瓶放电，并控制电瓶与电网接触器的通断
C. 充电电流小于4A时BCL立即断开接触器停止充电
D. 以上均正确
【单选题】
在更换整体驱动发电机（IDG）后：（）___
A. 加IDG滑油时必须接溢流管并检查油位；
B. 必须测试IDG的脱开和重新衔接功能；
C. 不需要试车。
D. 左右IDG油面不同
【单选题】
在紧急电源面板上，发生电子舱烟雾后按出1号发电机在线（GEN1LINE）按钮（）___
A. 1号发动机不再工作，GEN1按钮里的FAULT灯亮
B. 机翼油箱左1和右1泵仍由1号发动机供电
C. GCL1和GCR1仍然闭合
D. 整个电网将失去电源
【单选题】
在空中，电源控制面板上的厨房按钮上的“FAULT”灯亮是因为：（）___
A. 厨房设备有故障；
B. 机上用电超负荷且厨房供电被断开；
C. 一台发电机故障
D. 以上A、B正确
【单选题】
在什么情况下，冲压涡轮会自动放出：（）___
A. 当飞机在空中，1号和2号交流汇流条失去电源且空速大于100海里；
B. 当飞机在空中，且兰电动泵失效的情况下；
C. 当飞机在空中，电瓶可用且兰液压系统出现低压
D. 无论在空中还是地面，只要1号和2号交流汇流条失去电源
【单选题】
在使用地面勤务供电时(MAINT电门ON)（）___
A. 可以检查液压油箱油量表
B. 可以开关货舱门(用电动泵)
C. 可以冲洗马桶
D. 以上均正确
【单选题】
在外电源正常向飞机电网供电过程中，电源控制面板上的电压指示值是（）___
A. 电瓶的电压
B. 直流电瓶汇流条上的电压
C. 电瓶充电限制器的电压
D. 以上A和B
【单选题】
在无交流和直流供电时，在哪里可以检查电瓶电压：（）___
A. 在ECAM的电源（ELEC）页面上；
B. 在电子舱内
C. 在头顶面板的电源控制面板上；
D. 无法检查
【单选题】
在应急电源控制面板上，将“冲压涡轮及应急发电机人工”电门（MANON）按入将会使（）___
A. 只放出冲压涡轮
B. 只使应急发电机发电及供电
C. 冲压涡轮放出应急发电机发电并供电
D. 以上A、B正确
【单选题】
在应急电源控制面板上的“1号发电机在线”电门（GEN1LINE）功用是（）___
A. 电子舱烟雾状况下电源的转换控制
B. 控制1号发电机正常供电
C. 对电子舱进行灭火控制
D. 以上均正确
【单选题】
在应急电源控制面板上的“应急发电机测试”电门（EMERGENTEST）可进行（）___
A. 应急发电机测试
B. 静变流机测试
C. 冲压涡轮测试
D. 以上A、B正确
【单选题】
在增强型电源系统中，GAPCU的主要功用是（）___
A. APU发电机控制
B. 外电源的控制
C. 电源系统与其他系统接口功能
D. 以上均是
【单选题】
在增强型电源系统中IDG具有（）___
A. 不分左右发动机IDG滑油油面指示
B. IDG内滑油温度达200°C自动热脱开
C. IDG内恒装提供24000RPM转速
D. 以上A+B+C
【单选题】
整体驱动发电机（IDG）包括哪两部分？（）___
A. 附件齿轮箱和高压压气机
B. 恒速驱动装置和发电机
C. 液压马达和液压泵
D. 复位手柄和滑油温度警告装置
【单选题】
整体驱动发电机（IDG）的主要参数为（）___
A. 115V、400HZ、3φ、90KVA
B. 115V、400HZ、1φ、5KVA
C. 28V、400HZ、3φ、50KVA
D. 28V、直流、90KVA
【单选题】
正常供电时,1号变压镇流器（TR1）故障,此时（）___
A. 由TR2经直流汇流条2直接给1号直流汇流条供电
B. 由TR2经直流汇流条2给直流主汇流条供电
C. 由ESSTR直接给直流主汇流条供电
D. 由1号电瓶向1号直流汇流条供电
【单选题】
直流电瓶汇流条非正常情况下，可由什么供电（）___
A. TR2
B. 1号电瓶
C. 2号电瓶
D. 以上均正确
【单选题】
直流电瓶汇流条正常情况下，由什么供电（）___
A. TR2
B. TR1
C. 1号电瓶
D. ESSTR
【单选题】
直流电源的来源有（）___
A. TR1、TR2、
B. TR1、TR2、CSM/G
C. 1号电瓶、2号电瓶
D. 以上均是
【单选题】
直流主汇流条（DCESSBUS）非正常情况下，可由什么供电（）___
A. 2号电瓶
B. 主变压整流装置（ESSTR）
C. 1号电瓶
D. 以上A+B
【单选题】
直流主汇流条（DCESSBUS）正常情况下，由什么供电（）___
A. 2号电瓶
B. 主变压整流装置（ESSTR）
C. 直流电瓶汇流条
D. 1号电瓶
【单选题】
主变压整流装置（ESSTR）安装在（）___
A. 右前电子舱
B. 左电子舱
C. 驾驶舱
D. 机鼻舱
【单选题】
ACESSBUS可由什么汇流条供电？___
A. 只由ACBUS1
B. 只由ACBUS2
C. 静变流机
D. 可由ACBUS1、ACBUS2、静变流机或应急发电机
【单选题】
AC汇流条转换功能是什么？___
A. 可以允许并联供电
B. 可由任一发电机或外部电源供电
C. 只能由外部电源或APU发电机供电
D.
【单选题】
APU发电机可提供什么电？___
A. 115伏；400赫兹；单相交流电
B. 28伏直流电
C. 115伏；400赫兹；三相交流电
D.
【单选题】
DCBATBUS可由什么汇流条供电？___
A. DCBUS1或电瓶
B. DCBUS1、DCBUS2或电瓶
C. DCBUS2或电瓶
D.
【单选题】
TR的功用是什么？___
A. 将115V三相、恒频交流电转换为28V直流电
B. 将115V单相、恒频交流电转换为28V直流电
C. 将28VDC转换为115V三相交流电
D. 将115V三相、变频交流电转换为28V直流电
【单选题】
静变流机的功用是什么？___
A. 将28V直流电转换为115V变频交流电
B. 将28V直流电转换为115V恒频交流电
C. 将电瓶1的28V直流电转换为115V、400HZ单相交流电
D.
【单选题】
应急发电机可提供什么电？___
A. 115伏、400赫兹、单相交流电；单相交流电
B. 28伏直流电
C. 115伏；400赫兹；三相交流电
D.
【单选题】
当电子舱出现烟雾时，按压应急电源控制面板上的“GEN1LINE”按钮后，下列说法正确的是___
A. 闭合GLC1(GENLINECONTACTOR),左右＃1燃油泵由ACBUS1直接供电断开
B. 断开GLC1(GENLINECONTACTOR),左右＃1燃油泵由IDG#1直接供电
C. 闭合BTC1(BUSTIECONTACTOR),左右＃1燃油泵由ACBUS1直接供电断开
D.
【单选题】
ACESSBUS通常由什么供电？___
A. ACBUS1
B. ACBUS2
C. 应急发电机
D. 静变流机
【单选题】
APU发电机FAULT灯亮的条件是什么？___
A. APU停车后
B. 当检测到一个故障时
C. 以上答案均正确
D.
【单选题】
APU发电机滑油出口温度的信号被送至什么地方？___
A. ECB
B. 直接送至GCU
C. 通过ECB送至GCU
D.
【单选题】
GAPCU的功用是___
A. 控制APU发电机
B. 控制外部电源
C. 控制外部电源及APU发电机
D.
【单选题】
IDG1如何实现断开？___
A. 当超速发生时，自动断开
B. 当GCU探测到有一参数异常时，自动断开
C. 按压IDG1按钮（有保护盖）
D.
【单选题】
IDGFAULT灯亮的条件是什么？___
A. 只在IDG发生过热或低压时
B. 只在IDG发生过热和高压时
C. 只在IDG发生过热或高压时
D.
【单选题】
IDG的速度调节是如何实现的？___
A. IDG控制不同的输入速度，并调节输出速度
B. GCU控制不同的输入速度，并调节输出速度
C. GCU监控PMG的频率并控制伺服valve
D.
推荐试题
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【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
【单选题】
The business managers have asked the IT administrator to ensure configuration compliance in the vSphere infrastructure. The IT administrator wants to use Host Profiles to accomplish this, but is unable to do so. Why is the administrator unable to use Host Profiles?___
A. The infrastructure uses a vSphere Standard license.
B. The infrastructure has servers with various CPU families.
C. The user has only the “Administrator” role.
D. Host Profiles apply only to storage settings.
【单选题】
What is the result of a “Consolidate” action on a virtual machine?___
A. All snapshots on the virtual machines will be deleted.
B. The virtual machine will be reverted to its last snapshot.
C. Redundant delta disks will be combined and deleted.
D. A new snapshot with memory state will be created.
【单选题】
A Telco customer is implementing NFV using vSphere as the virtualization platform. Which feature can help achieve a high packet rate with lower CPU consumption?___
A. Network I/O Control
B. SplitRX
C. ERSPAN
D. LACP
【单选题】
What is the VMware-recommended best practice for Fibre Channel zoning?___
A. soft zoning
B. single-initiator-multiple-target zoning
C. single-initiator zoning
D. single-initiator-single-target zoning
【单选题】
How can a vSphere administrator ensure that a set of virtual machines run on different hosts in a DRS cluster?___
A. Use a VM-Host affinity rule.
B. Add the VMs to a vApp.
C. Use a VM-VM affinity rule.
D. Place the VMs in different folders.
【单选题】
vCenter Server Appliance Instance can be backed up using which Client Interface?___
A. vSphere Client Interface
B. vSphere Web Client Interface
C. VMware Host Client Interface
D. Virtual Appliance Management Interface
【单选题】
What tool can capture network traffic at the uplinks, or vSwitch, or virtual port levels?___
A. tcpdump-uw
B. wireshark
C. pktcap-uw
D. pcap
【单选题】
Which storage feature always requires the use of third-party software on ESXi?___
A. Hardware Acceleration for NAS devices
B. VVOL
C. Hardware Acceleration for Block
D. evices
