相关试题
【单选题】
在紧急的情况下，应急马达发电机能向飞机提供（）的电源。___
A. 5KVA，115/200V，三相，400HZ
B. 500KVA，115/200V，三相，400HZ
C. 55KVA，115/200V，单相，400HZ
D. 5KVA，220/380V，三相，400HZ
【单选题】
主发电机电门位于（），其作用是（）。___
A. 驾驶舱头顶板上的35VU电源控制面板上；人工控制相应发电机的工作，向相应的电源网络提供或切断电能
B. 驾驶舱头顶板上的35VU电源控制面板上；仅仅用于相应发电机的应急切断
C. 驾驶舱头顶板上的35VU电源控制面板上；人工控制相应发电机的工作，向相应的电源网络提供或切断应急电源
D. 驾驶舱头顶板上的50VU维护面板上；仅仅用于相应发电机的应急切断
【单选题】
DC电源系统中包括有（）台主电瓶，安装在：飞机右侧电子舱内___
A. 两台；飞机左侧电子舱内
B. 两台；飞机右侧电子舱内
C. 一台；飞机左侧电子舱内
D. 一台；飞机右侧电子舱内
【单选题】
ACESSBUS的正常电源来自___
A. 交流汇流条1
B. 静变流机
C. 交流汇流条2
D. TR1
【单选题】
主电源失效，应急发电机不工作时，向直流重要汇流条供电是___
A. 1号电瓶
B. 2号电瓶
C. ESSTR
D. TR2
【单选题】
静变流机何时工作___
A. 一直在工作
B. 主发电机故障时
C. 飞机在空中且只有电瓶供电时
D. 应急发电机工作的时候
【单选题】
在地面正常发动机关车状态，主发电机电源控制电门上___
A. FAULT灯亮
B. OFF灯亮
C. 没有任何灯光亮
D. AVAIL灯亮
【单选题】
正常情况下，ACBUS1由什么供电？___
A. IDG1
B. IDG2
C. APU电源
D. 外电源
【单选题】
勤务汇流条功能___
A. 仅整机断电时提供驾驶舱照明
B. 仅整机断电时提供客舱照明
C. 整机断电时提供所有地面服务照明和供电
D. 不能操作货舱门
【单选题】
静变流机将来自电瓶汇流条的直流电压转变成___
A. 单相115伏，400赫兹交流
B. 三相115伏，400赫兹交流
C. 28伏直流
D. 26伏，400赫兹交流
【单选题】
电源系统中，发电机向飞机提供（），变压整流器TR向飞机提供（）___
A. 交流电源；交流电源
B. 直流电源；直流电源
C. 交流电源；直流电源
D. 直流电源；交流电源
【单选题】
电源系统中，发动机通过（）将变化的转速转换为恒定的速度，并驱动发电机工作___
A. 附件齿轮箱
B. 速度调节器
C. 附件齿轮箱和IDG中的CSD（恒速驱动装置）
D. IDG（整体驱动发电机）
【单选题】
电源系统中，工作人员操作驾驶舱头顶电气面板上相应的发动机或APU的“GEN”电门。系统将通过各自的（）去控制相应发电机输出电源。___
A. GCU（发电机控制器）
B. GLC（发电机电路接触器）
C. GAPCU(对于增强型320）或者GPCU（对于传统构型320）
D. EGIU（电源接口组件）
【单选题】
主发电机或APU发电机获得转速后，系统将通过控制发电机的（）来实现电能的产生。___
A. 输入转速
B. 励磁电压
C. 温度
D. 频率
【单选题】
应急发电系统中，应急马达发电机（CSM/G）由（）驱动___
A. 来自黄液压系统的动力
B. 来自绿液压系统的动力
C. 来自蓝液压系统的动力
D. A、B、C均可驱动CSM/G
【单选题】
飞机在正常通电的情况下，飞机直流电源由（）提供。___
A. 仅仅由一台电瓶提供直流电源，另一台作为备份直流电源使用
B. 由两台电瓶提供直流电源
C. 由两台电瓶和两台变压整流器器（TR1、TR2）提供直流电源
D. 由两台电瓶和三台变压整流器器（TR1、TR2、TR3）提供直流电源
【单选题】
在正常情况下，电网中的直流电源主要由（）提供。___
A. TR1（变压整流器1）和TR2（变压整流器2）
B. TR1、TR2、及ESSTR
C. BAT1和BAT2
D. BAT1、BAT2、TR1、TR2、ESSTR
【单选题】
飞机在地面，如果电瓶电压低于（）超过15秒，则电瓶电源会自动脱离飞机电网，实现放电保护。___
A. 低于5V
B. 低于23V
C. 低于26V
D. 低于28V
【单选题】
GAPCU(对于增强型320）或者GPCU（对于传统构型320）的功能包括是：___
A. 地面电源的控制和保护
B. 地面电源供电系统的测试和监控
C. 向GCU提供并获得信息
D. A、B、C
【单选题】
当IDG（整体驱动发电机）被脱开后，在（）完成复位工作。___
A. 空中或地面，发动机运转的状态下由飞行员完成
B. 在空中状态下由飞行员完成；在地面，发动机切断的状态下由地面勤务人员完成
C. 只能在空中，发动机运转的状态下完成
D. 只能在地面状态下完成
【单选题】
飞机电源系统在紧急的情况下，静变流机将来自（）的28V直流电转换为115V交流电提供给飞机基本重要系统使用。___
A. BAT1
B. BAT2
C. BAT1和BAT2共同提供
D. BAT1或BAT2
【单选题】
下列哪个继电器实现了对发电机的励磁调节___
A. GCU
B. SVR
C. PRR
D. GCR
【单选题】
GLC继电器的开关受谁控制？___
A. GCU
B. SVR
C. PRR
D. GCR
【单选题】
当TR2失效的时候，直流重要汇流条通过什么部件获得电源？___
A. ESS-TR
B. 直流电瓶汇流条
C. 2号电瓶
D. 1号电瓶
【单选题】
下列哪个工作不能从勤务汇流条中获得电源？___
A. 开关货舱门
B. APU舱门的照明
C. 应急灯光
D. 电子舱的照明
【单选题】
下列哪个不是BCL的作用？___
A. 辅助APU启动
B. 阻止电瓶完全放电
C. 保护直流供电网络
D. 控制电瓶的充电
【单选题】
在正常情况下ACBUS1向ACESSBUS及ACSHEDESSBUS提供电源。当ACBUS1失去电源后，可以通过（）继续向ACESSBUS和ACSHEDESSBUS供电。___
A. 电源控制系统将自动接通ACBUS2
B. 人工按压驾驶舱头顶电源面板上的“ACESSFEED”电门，接通ACBUS2电源
C. 静变流机将自动工作
D. TR（变压整流器）将自动工作
【单选题】
当直流电网中，如果TR1、TR2单独或同时发生故障，此时（）将向部分直流电网供电。___
A. BAT1（1号电瓶）
B. BAT2（2号电瓶）
C. 静变流机
D. ESSTR（）
【单选题】
飞机电瓶的主参数是通过（）在（）显示。___
A. 相应的BCL（电瓶充电限制器）；下ECAM显示器上的ELEC页面
B. 相应的BCL（电瓶充电限制器）；上ECAM显示器上的ELEC页面
C. 相应的GCU；下ECAM显示器上的ELEC页面
D. 相应的GCU；上ECAM显示器上的ELEC页面
【单选题】
电源系统中IDG（整体驱动发电机）通过（）从（）获得足够的转速。___
A. 附件齿轮箱；发动机的LP转子
B. 恒速装置；发动机的LP转子
C. 附件齿轮箱；发动机的HP转子
D. 恒速装置；发动机的HP转子
【单选题】
外电源系统中（）检测电源质量处于良好状态后，系统发出信号去：___
A. GPCU；燃亮驾驶舱头顶板外电源面板“EXTPWR”电门上“AVAIL”标示及外电源插座托架“EXTPWR/AVAIL”琥珀色灯
B. GCU1；燃亮驾驶舱头顶板外电源面板“EXTPWR”电门上“AVAIL”标示及外电源插座托架“EXTPWR/AVAIL”琥珀色
C. GPCU；燃亮驾驶舱头顶板外电源面板“EXTPWR”电门上“AVAIL”标示及外电源插座托架“EXT/PWRNOTINUSE”白色灯
D. GCU1；燃亮驾驶舱头顶板外电源面板“EXTPWR”电门上“AVAIL”标示及外电源插座托架“EXTPWR/AVAIL”琥珀色
【单选题】
当工作人员在进行维护作业的过程中，断开驾驶舱后跳开关面板上的某个跳开关，稍后在ECAM显示器上出现相关跳开关的信息，这说明该跳开关：___
A. 被脱开跳开关所对应的系统探测到跳开关被断开，并通过相关系统在ECAM上显示
B. 系统维护作业程序中正常出现的现象，属于正常信息
C. 被脱开的电路跳开关包含有连接到SDAC的辅助线路
D. 被脱开的电路跳开关包含有连接到CFDS的辅助线路
【单选题】
在正常情况下ACBUS1向ACESSBUS及ACSHEDESSBUS提供电源。当飞机在失去ACBUS1和ACBUS2电源的紧急情况下，（）将继续向ACESSBUS和ACSHEDESSBUS供电。___
A. 静变流自动工作
B. TR（变压整流器）将自动工作
C. 不论RAT状况如何，CSM/G（应急马达发电机）将自动工作
D. 当RAT提供的液压动力可用的情况下，CSM/G（应急马达发电机）将自动工作
【单选题】
0在地面维护过程中，工作人员发现主发电机按钮电门上的“FAULT”灯会燃亮，这说明：1）相应发电机按钮电门被松开；2）电路中的GLC（发电机电路接触器）受到GCU控制而脱开IDG与电网的连接；3）系统探测到故障的发生，GCU控制GLC脱开IDG与电网的连接___
A. 1）、2）
B. 1）、3）
C. 2）、3）
D. 1）、2）、3）
【单选题】
当IDG1故障后，交流主汇流条无电，如何进行操作使其能正常供电（）___
A. 将1号发电机控制电门放断开位置
B. 将汇流条连接电门放断开位置
C. 按入交流主转换控制电门
D. 无法进行操作
【单选题】
“发电机控制电门”的功用是（）___
A. 控制发电机励磁
B. 控制发电机向电网供电和断电
C. 指示发电机故障或不工作
D. 以上均正确
【单选题】
“主交流供电（ACESSFEED）”按钮的功用是（）___
A. 人工转换交流主汇流条的电源
B. 指示交流主汇流条供电情况
C. 自动控制交流主汇流条供电顺序
D. A+B
【单选题】
“主交流供电（ACESSFEED）”按钮上的“FAULT”灯亮表示（）___
A. IDG1故障
B. 自动转换失效且交流主汇流条上失去电源
C. 应急发电机失效
D. 静变流机失效且交流主汇流条上有电
【单选题】
2号变压整流装置（TR2）的过小电流保护什么时候不起作用（）___
A. 在地面，飞机电网由APU发电机供电
B. 在地面，交流和直流地面飞行汇流条仅由外电源供电
C. 在地面，交流和直流地面飞行汇流条由外电源供电
D. 在空中，飞机电网由APU发电机供电
【单选题】
APU发电机的主要参数为（）___
A. 115V、400HZ、3φ、5KVA
B. 115V、400HZ、3φ、90KVA
C. 28V、400HZ、1φ、90KVA
D. 28V、直流
推荐试题
【单选题】
When attempting to migrate a virtual machine to another host in the same cluster, the error message, “Select a valid compute resource” returns. What could cause this error?___
A. Both hosts run different versions of ESXi.
B. Both hosts are not sharing the same datastore.
C. VMware Tools is not installed.
D. Virtual machine has an ISO attached.
【单选题】
When will vSphere Data Protection delete the expired backup image of a Platform Service Controller?___
A. Immediately after the retention period has expired.
B. After the expired backup image is restored.
C. During the next backup window following expiry.
D. During the next maintenance window following expiry.
【单选题】
Group A has permission to download files in Content Library. Group B does not have permission to download files in Content Library. If a user is a member of both groups, what will be the result?___
A. The user cannot download file from Content Library.
B. The user can download file from Content Library.
C. The user cannot access Content Library.
D. The user can access Content Library.
【单选题】
An administrator is trying to set up Host Partial Failure Response, but the Automated option is grayed out. What can the administrator change to enable the Automated option?___
A. Change the vSphere DRS Automation level to Partially Automated.
B. Change the vSphere DRS Automation level to Fully Automated.
C. Enable vSphere HA Host Monitoring.
D. Change the vSphere DPM Automation level to Automatic.
【单选题】
When you attempt to open a virtual machine console from the vSphere Web Client, the console does not connect. The following error message appears:<HTTP ERROR 404> <Problem accessin/.Reason: Not Found>. Why did not connect?___
A. Port 443 is in use.
B. Port 9443 is in use.
C. Port 8443 is in use.
D. Port 22443 is in use.
【单选题】
What new feature was introduced to the Content Library in vSphere 6.5?___
A. Mount an ISO directly from the Content Library.
B. Deploy a virtual machine from an OVF Package in a Content Library.
C. Upload a File from a URL to a Library Item.
D. Upload a File from a Local System to a Library Item.
【单选题】
How can an administrator exclude Encryption rights from a support engineer?___
A. Clone the role Virtual machine power user, remove Cryptographic operations privileges.
B. Clone the role Administrator and assign to the support engineer.
C. Clone the role Virtual machine power user and assign to the support engineer.
D. Clone the role No cryptography administrator and select privileges only for the support engineer.
【单选题】
The administrator must back up a vCenter HA deployment. Which component must be backed up?___
A. Passive node
B. Witness node
C. External database
D. Active node
【单选题】
What is the supported protocol to perform remote L3 traffic monitoring in vSphere 6.5?___
A. VXLAN
B. ERSPAN
C. RSPAN
D. SPAN
【单选题】
What are the minimum hardware requirements for a Windows vCenter Server with embedded PSC that manages a “Small” environment?___
A. 2vCPUs, 16 GB RAM
B. 4 vCPUs, 16 GB RAM
C. 2 vCPUs, 10 GB RAM
D. 4 vCPUs, 10 GB RAM
【单选题】
Which port is used for communication between ESXi and vSphere Data protection?___
A. 80
B. 443
C. 902
D. 22
【单选题】
What can prevent Storage DRS from functioning on a datastore?___
A. The datastore is configured for Virtual Machine Swapfile location.
B. The datastore is shared across multiple datacenters.
C. The datastore is connected to a host that is running Storage I/O Control.
D. Storage DRS advanced option IgnoreAffinityRulesForMaintenance is set to 1.
【单选题】
When troubleshooting VMware vCenter Server issues, when logging level provides maximum detail?___
A. Verbose
B. Trivia
C. Info
D. Error
【单选题】
What new feature is introduced in NFS 4.1 on ESXi 6.5?___
A. IPv6
B. KRB5i
C. AUTH_SYS
D. Storage DRS
【单选题】
What configuration option would ensure that a virtual NUMA topology is defined on VMs having more than eight virtual CPUs?___
A. cupid.coresPerSocket
B. numa.vcpu.followcorespersocket
C. numa.vcpu.maxPerVirtualNode
D. numa.vcpu.min
【单选题】
What is the minimum disk space required to deploy vSphere Data Protection (VDP) with 8 TB configuration?___
A. 4 TB
B. 16 TB
C. 8 TB
D. 12 TB
【单选题】
What advanced option for vSphere HA defines a maximum number of reset attempts by VMCP for a virtual machine?___
A. das.maxterminates
B. das.isolationshutdowntimeout
C. das.maxresets
D. fdm.isolationpolicydelaysec
【单选题】
What vSphere technology enables the administrator to ensure consistent configuration at scale?___
A. PowerCLI
B. Host Profiles
C. esxcli
D. vSphere Web Client
【单选题】
Which port is used for vSphere HA agent-to-agent communication?___
A. 443
B. 8182
C. 22
D. 902
【单选题】
Which log file would assist in identifying an issue that occurred during the database export phase of a vCenter Server upgrade process?___
A. vcdb_import.out
B. export.json
C. export-upgrade-runner.log
D. vcdb_export.out
【单选题】
Bidirectional CHAP is support by which storage initiator?___
A. software FCoE HBA
B. Fibre Channel HBA
C. independent hardware iSCSI HBA
D. dependent hardware iSCSI HBA
【单选题】
What is a pool of raw storage capacity that a storage system can provide to Virtual Volumes?___
A. protocol endpoint
B. storage container
C. storage provider
D. datastore
【单选题】
vSphere 6.5 DRS is now Network-Aware. Based on network utilization, when will DRS balance VMs?___
A. DRS will balance VMs when a network resource pool is configured for VMs.
B. DRS will balance VMs when Network I/O Control is enabled.
C. DRS will place VMs on initial boot for hosts that have network utilization lower that the threshold.
D. DRS will vMotion VMs when network utilization is higher than the threshold on a particular host.
【单选题】
A scripted upgrade of ESXi fails due to an incorrect parameter in the upgrade script. What file must the administrator modify to correct the problem?___
A. vmreconfig.pl
B. hostinfo.pl
C. ks.cfg
D. boot.cfg
【单选题】
A VM folder contains VM1 and VM2. Group A has permission to power on virtual machines, defined on the VM folder and its children. Group B has permission to power off virtual machine VM2. If a user is a member of group A and B, what action can the user perform?___
A. Suspend VM2.
B. Power off VM1.
C. Power on and power off VM1.
D. Power on and power off VM2.
【单选题】
The networking team has requested to have a dedicated network for iSCSI traffic. This task has been assigned to the vSphere Administrator. What is the VMware-recommended way to accomplish this?___
A. Configure Static Routes on each ESXi Server.
B. Configure the right subnet.
C. Create a custom IP Stack.
D. Define a dedicated gateway for the iSCSI vmkernel.
【单选题】
To prevent possible failures or issues during a vSphere upgrade, which component should be upgraded first?___
A. ESXi Hosts
B. virtual machines
C. datastores
D. vCenter Server
【单选题】
What is the command for updating an ESXi host?___
A. esxcli software vib update –d /vmfs/volumes/Datastore/DirectoryName/PatchName.zip
B. esxupdate software update –d”/vmfs/volumes/Datastore/DirectoryName/PatchName.zip”
C. esxcli software update –d “/vmfs/volumes/Datastore/DirectoryName/PatchName.zip”
D. esxupdate software vib update –d /vmfs/volumes/Datastore/DirectoryName/PatchName.zip
【单选题】
A vSphere Administrator would like to identify which physical NUMA node their virtual machine is currently residing on. What esxtop metric would provide this information?___
A. GST_ND[x]
B. OVD_ND[x]
C. NRMEM
D. NHN
【单选题】
How can a vSphere administrator ensure that two virtual machines never run on the same datastore in a datastore cluster, while permitting the VMs to be load-balanced?___
A. Use an Intra-VM Anti-Affinity Rule.
B. Configure a storage DRS VM override.
C. Disable storage
D. RS for the VMs.
【单选题】
What is the VMware-recommended way to move a physical adapter out of Network I/O Control’s scope?___
A. Set the teaming policy to “Route Based on Physical NIC Load.”
B. Add the vmnic to the Net.NetNiocAllowOverCommit parameter in Advanced System Settings.
C. Add the vmnic to the Net.IOControlPnicOptOut parameter in Advanced System Settings.
D. Move the vmnic to a different vmUplink port on the Distributed Switch.
【单选题】
A VM folder contains VM1 and VM2. Group A has permission to power on virtual machines, defined on the VM folder and its children. Group B has permission to power off virtual machines, defined on the VM folder and its children. If a user is a member of Groups A and B, what will be the user’s effective permission on VM1 and VM2?___
A. Power on
B. Power off.
C. Power on and Power off.
D. Reset.
【单选题】
Group 1 is granted console interaction on a VM folder. User 1 is granted no console interaction on the same VM folder. What will be the outcome if User 1 tries to access the console of a virtual machine?___
A. User 1 will not be able to access the virtual machines in the VM folder.
B. User 1 will not have access to the virtual machine console.
C. User 1 will have access to the virtual machine console.
D. User 1 will have console access only via the vSphere Web Client.
【单选题】
Which statement is true regarding the use of VMFS3 datastores with vSphere 6.5?___
A. VMFS3 datastores can be used but not created.
B. VMFS3 datastores can be neither used nor created.
C. VMFS3 datastores will be present but unmounted.
D. VMFS3 datastores can be created and used.
【单选题】
In the Exhibit, each VM has a 1GHz non-expandable reservation. If all VMs are powered on in sequence, what would be the outcome?___
A. VM4 cannot be powered on.
B. VM5 cannot be powered on.
C. VM6 cannot be powered on.
D. VM3 cannot be powered on.
【单选题】
vSphere 6.5 introduced MAClearning capabilities for VMware’s virtual switches. What three benefits will it provide? (Choose three.)___
A. Reduced memory consumption.
B. Reduced consumption of extra CPU cycles.
C. Increased network throughput.
D. Prevent packet flooding inside the vSwitch.
【单选题】
What is the default pathing policy for most active-active arrays?___
A. Fixed
B. Most Recently Used
C. Dynamic
D. isk Morroring
【单选题】
Which command will show the iSCSI sessions on a ESXi 6.5 host?___
A. esxcli storage iscsi session get
B. esxcli iscsi session get
C. esxcli storage iscsi session
D. esxcli iscsi session list
【单选题】
Which of the following is not a parameter for traffic filtering or marking?___
A. virtual port ID
B. Protocol
C. Traffic Direction
D. DSCP value
E. Traffic redirection
【单选题】
A vSphere administrator wants to enable a virtual machine with Secure Boot, but in VM setting, Secure Boot option was not found under Boot Options. What could be the cause?___
A. The virtual hardware is not compatible.
B. The virtual machine has missing drivers.
C. The virtual machine OS does not support secure boot.
D. VMware Tools is not upgraded.
