【判断题】
(32393)发电车康明斯柴油机在运行中，油底壳一旦进水，应立即卸载停机，关闭该机进水阀，同时启用其他机组供电。(1.0分)
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相关试题
【判断题】
(32394)发电车柴油机与发电机安装时，如果同轴度不在一条直线上，机组运行时会产生异常振动。(1.0分)
【判断题】
(32395)发电车柴油机与发电机联结时，一般先固定发电机，再调整柴油机。(1.0分)
【判断题】
(32396)冬季发电车运行在严寒地区，如果柴油牌号与外温不匹配，下油箱柴油可能凝结成蜡状，严重地危及发电车正常发电。(1.0分)
【判断题】
(32397)冬季发电车运行在严寒地区，柴油析蜡，柴油机燃烧不充分，功率下降，甚至带不起负载。(1.0分)
【判断题】
(32398)发电车主空气断路器电动不能合闸时，可采用手动临时应急合闸。(1.0分)
【判断题】
(32399)热继电器的双金属片加热方式有三种，其中直接加热式应用最普遍。(1.0分)
【判断题】
(32400)目前所有康明斯发电车的冷却风机自动位时均为85℃启动，65℃停止。(1.0分)
【判断题】
(32401)当DW914主开关已合闸时，扳动其上的操纵手柄可以将主开关分闸。(1.0分)
【判断题】
(32402)发电车运行中，燃油供给管路出现轻度堵塞会造成柴油机游车，重度堵塞会造成柴油机停机。(1.0分)
【判断题】
(32403)发电车运行中，若出现上油箱至燃油滤清器管路堵塞，将随车应急软管从上油箱油阀直接接在燃油滤清器进油口位置。(1.0分)
【判断题】
(32404)冬季外温很低时，发电车运行中出现下油箱燃油析蜡，如果电动燃油泵抽不上油，应该立即改用手动泵抽油。(1.0分)
【判断题】
(32405)发电车燃油泵前面的油路系统漏空气、管路堵塞都有可能使燃油泵抽不上油。(1.0分)
【判断题】
(32406)发电车下油箱加满油后出现溢油，配电屏的报警装置立刻报警。(1.0分)
【判断题】
(32407)发电车上油箱如果泵油过满，会出现报警。(1.0分)
【判断题】
(32408)发电车柴油机的冷却水是柴油机正常工作必不可少的冷却介质，所以对膨胀水箱设置了低水位和高水位报警。(1.0分)
【判断题】
(32409)发电车上油箱是保证所有柴油发电机组正常工作十分重要的组件，所以上油箱设置了低油位和高油位报警。(1.0分)
【判断题】
(32410)发电车的电加热器管电源电压全部采用380V。(1.0分)
【判断题】
(32411)发电车的电加热器是通过接触器控制其接通和断开的。(1.0分)
【判断题】
(32412)发电车运行中，下油箱连通管路渗漏，可以通过外表涂密封胶防止渗漏。(1.0分)
【判断题】
(32413)发电车运行中，下油箱连通管路渗漏，如不及时处理，渗漏处将会越来越大。(1.0分)
【判断题】
(32414)发电车的烟火报警器的探头只有两种，一种是感测火焰和温度的，另一种是感测烟雾的。(1.0分)
【判断题】
(32415)发电车的烟火报警器具有自检、火灾报警、故障报警、消音与复音、记录与显示火警发生时间、自动灭火、时间校准等功能。(1.0分)
【判断题】
(32416)继电器是根据输入信号的变化来接通或断开控制电路，其输入的信号必须是电信号。(1.0分)
【判断题】
(32417)发电车出现绕组温度高一定是出现了扫膛的机械故障。(1.0分)
【判断题】
(32418)发电车出现绕组温度高报警，柴油机会自动停机保护。(1.0分)
【判断题】
(32419)发电车柴油机启动时启动马达不转，一定是启动马达坏了，所以立即更换启动马达。(1.0分)
【判断题】
(32420)发电车康明斯柴油机启动时，如果发现24V启动电压降很大，柴油机因转速低没有达到怠速运转，应立即改用48V转换电源应急启机。(1.0分)
【判断题】
(32421)发电车控制屏上主发电机的电流表可以互换。(1.0分)
【判断题】
(32422)发电车控制屏上24V电流表必须先并联分流电阻，再接到24V电路里。(1.0分)
【判断题】
(32423)当发电车的输出电中，如果出现缺相，电机性负载一定不能正常工作。(1.0分)
【判断题】
(32424)发电车输出电中，如果出现缺相，在全列车的负载中，凡使用220V电源的负载，有的能正常工作，有的不能工作。(1.0分)
【判断题】
(32425)发电车更换主空气断路器时，必须先断电停机。(1.0分)
【判断题】
(32426)发电车主空气断路器上如果积尘，可使发电车主干线的绝缘值降低。(1.0分)
【判断题】
(32427)煤、石油、天然气是能量的来源，但，太阳、风、海潮不是能量的来源。(1.0分)
【判断题】
(32428)发电车柴油发电机组是创造能源的机器。(1.0分)
【判断题】
(32429)润滑脂受到外力时，只要一流动就会变软，但是一旦处于静止时就会变硬。(1.0分)
【判断题】
(32430)润滑脂有很弱的粘附性，在摩擦面上不易保持，其抗水、密封性和抗漏失性突出，可以用在密封性不良的摩擦表面上。(1.0分)
【判断题】
(32431)在规定的条件下加热，达到一定的流动性的温度是润滑脂的一个重要性能指标。(1.0分)
【判断题】
(32432)滴点是润滑脂稠度和软硬程度的衡量指标。(1.0分)
【单选题】
生产经营单位必须依法参加___，为从业人员缴纳保险费。[913000000]
A. 工伤社会保险
B. 养老保险
C. 医疗保险
D. 失业保险
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【多选题】
Which two tasks should a vSphere administrator perform if the vmkernel log reports VMFS metadata errors? (Choose two.)___
A. contact VMware technical support
B. reformat the datastore
C. check the device with VOMA
D. ignore the messages
【多选题】
Which two statements are true for a vCenterServer user account that is used for vSphere Data Protection (VDP)? (Choose two.)___
A. The user account must be assigned with Administrator role.
B. The password for the user account cannot contain spaces.
C. The user account should be created in the Single Sign-On domain
D. The user account cannot inherit required permissions from a group role.
【多选题】
Which three storage protocols are supported by Virtual Volumes? (Choose three.)___
A. FCIP
B. FCoE
C. iSCSI
D. NFS v3
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【多选题】
A vSphere administrator observes a CPU spike on one of the web servers (view the Exhibit.) Which two statements can describe the cause of this activity? (Choose two.)___
A. The network packet size is too large.
B. VMware Tools is not installed.
C. Disk latency is present on the datastore.
D. The network packet size is too small.
【多选题】
Which three operations can cause VMFS metadata updates? (Choose three.)___
A. Restarting a VM using the guest OS.
B. Launching a VM console.
C. Migrating a VM with vMotion.
D. Powering a VM on or off.
E. Expanding a VMFS datastore.
【多选题】
*What two services run on all nodes in a vCenter Server HA cluster? (Choose two.)___
A. vmware-vmon
B. vmware-vpostgres
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【多选题】
Which two statements are true regarding Auto Deploy in version 6.5? (Choose two.)___
A. Auto Deploy can be configured and managed via PowerCLI.
B. Auto Deploy can be configured and managed via the vSphere Client.
C. Auto
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【多选题】
What three options can improve network performance for a virtual machine? (Choose three.)___
A. MLD
B. TSO
C. NetFlow
D. LRO
E. SR-IOV
【多选题】
Which two storage technologies are supported for MSCS? (Choose two.)___
A. NFS
B. VAAI
C. iSCSI
D. FC
【多选题】
When upgrading a VMware vSAN cluster to version 6.5, which two tasks must be completed to comply with upgrade requirements and VMware-recommended best practices? (Choose two.)___
A. Use RVC to upgrade the hosts.
B. Use the latest available ESXi version.
C. Back up all VMs.
D. Use only the “Full data migration” maintenance mode option.
【多选题】
What two enhancements are in VMFS6 but not in VMFS5? (Choose two.)___
A. Support for 4k native disks
B. Support for 512e disks
C. GPT storage device partitioning
D. Automatic space reclamation
【多选题】
Which two statements describe why a vSphere DRS cluster would report load imbalance? (Choose two.)___
A. The configured migration threshold is too high.
B. The configured migration threshold is too low.
C. DRS is configured for Partially Automated.
D. Enhanced vMotion Compatibility (EVC) is enabled.
【多选题】
A vSphere Administrator must ensure that vCenter Server service is running in a domain user account rather than Local System Account. To accomplish this, the user account should have which two permissions? (Choose two.)___
A. Log on as a service.
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C. Log on as a batch job.
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【多选题】
A virtual machine fails to power on after being deployed from a template. What two remediation steps could correct this issue? (Choose two.)___
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【多选题】
Which three directories are available under the vcsa-cli-installer folder of the vCenter Server Appliance installation media? (Choose three.)___
A. \mac
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C. \migration-assistant
D. \win32
E. \lin64
【多选题】
What are three considerations when booting ESXihost from SAN software FCoE? (Choose three.)___
A. The VMware_FCoE_vSwitch that the installer automatically created cannot be changed.
B. Boot LUN cannot be shared with other hosts even on shared storage.
C. Multipathing is not supported at pre-boot.
D. Software FCoE boot configuration cannot be changed from within
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【多选题】
Which two choices are applicable to vSphere Availability? (Choose two.)___
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B. VM Startup/Shutdoown
C. Power Management
D. Admission Control
【多选题】
A user is a member of groups A and B. -VM10 and VM20 are in VM Folder. -Group A is assigned permission “Read-only” on VM Folder. What two configurations will allow the user to edit the settings for only VM10? (Choose two.)___
A. Assign group B permission “virtual machine power user” to VM10.
B. Assign group B permission “virtual machine console user” to VM10.
C. Assign group A permission “virtual machine console user” to VM10.
D. Assign group A permission “virtual machine power user” to VM10.
【多选题】
Which two new vSphere 6.5 features enable an Administrator to locate configuration options when creating or editing host profiles more easily than in previous versions? (Choose two.)___
A. Add the configuration option to favorites.
B. Navigate the option tree.
C. Search for the configuration option.
D. Copy the configuration option from a different profile.
【多选题】
What are the two valid storage controller types for VMs on ESXi 6.5? (Choose two.)___
A. FCoE
B. SATA
C. NVMe
D. iSCSI
【多选题】
Which two options can optimize conversion with VMware Converter? (Choose two.)___
A. Disable real-time antivirus scanners.
B. Remove the source from Active Directory.
C. Remove third-party device drivers.
D. Exclude diagnostic partitions from conversion.
E. Disable Volume Shadow Copy (VSS).
【多选题】
vSphere Availability considers which two factors for virtual machine restarts? (Choose two.)___
A. Host Isolation Response
B. file accessibility
C. NUMA node size
D. resource reservations
【多选题】
Which two virtual NICs support Wake-on-Lan to resume a virtual machine that is in standby mode? (Choose two)___
A. Flexible
B. E1000E
C. E1000
D. vmxnet 3
【多选题】
Which two logs should be examined to troubleshoot a Windows vCenter Server upgrade failure? (Choose two.)___
A. vminst.log
B. vim-um-msi.log
C. firstboot.log
D. pkgmgr.log
【多选题】
Which are two supported storage primitives for VAAI NAS? (Choose two.)___
A. Full File Clone
B. Reserve Space
C. hardware assisted locking
D. block zeroing
【多选题】
Which two parameters must be configured for Windows in-guest disk mirroring? (Choose two.)___
A. scsi#.returnNoConnectDuringAPD = “FALSE”
B. scsi#.terminateVMOnPDL = “TRUE”
C. scsi#.returnBusyOnNoConnectStatus = “FALSE”
D. scsi#.returnNoConnectDuringAPD = “TRUE”
【多选题】
Which two items are required to enable NPIV in a virtual machine? (Choose two.)___
A. use of physical RDMs
B. physical HBA support
C. use of virtual disks
D. hardware version 11 or higher
【多选题】
A vSphere Administrator has VM Component Protection (VMCP) enabled, but the VM was not restarted when one of the VMFS datastores experienced an All Paths Down (APD) failure. What two scenarios would explain why the virtual machine was not restarted? (Choose two.)___
A. VM Monitoring is required in order for VMCP to failover during an APD event.
B. VMware Tools is not installed on the guest operating system for the VM.
C. Insufficient Capacity is available on the failover ESXi hosts.
D. The APD failure was corrected before the VM could be restarted.
【多选题】
What are two requirements in order to restore a Resource Pool Tree from a snapshot? (Choose two.)___
A. vSphere DRS must be turned on.
B. A restore can only be performed on a vSphere DRS cluster within the original vCenter Server.
C. vSphere
D. RS must be turned off.
【多选题】
Which three vSphere features are compatible with vSphere Replication? (Choose three.)___
A. vSphere High Availability
B. vSphere Fault Tolerance
C. vSphere Storage
D. RS
【多选题】
What two VMware Remote Console Options can be defined in the virtual machine settings? (Choose two.)___
A. Boot Delay
B. Maximum number of sessions
C. Guest OS lock
D. Total video memory
【多选题】
VMware Converter can import a powered off virtual machine from which two virtual machine platforms?(Choose two.)___
A. Microsoft Hyper-V
B. Citrix Xen
C. VMware Workstation
D. Linux with KVM
【多选题】
Which two options allow storage space reclamation? (Choose two.)___
A. Use VMFS6 datastores.
B. Use esxcli storage vmfs unmap.
C. Use the SAN console (management tool).
D. Use the vSphere Web Client.
【多选题】
An administrator must reprovision 25 hosts with a new image profile that he has created. Which two methods can the administrator use to change the image profile? (Choose two.)___
A. From the vSphere Web client home page, select the Deploy Rules tab in the Auto Deploy section.
B. Run the Copy-Deploy Rule and specify the Replace Item parameter with Power CLI.
C. From the vSphere Web client home page, select the Assign Rules tab in the Auto
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【多选题】
What are three parameters for traffic filtering or marking? (Choose three.)___
A. Protocol
B. Traffic Direction
C. DSCP value
D. virtual Port ID
【多选题】
The vSphere administrator must change the path selection policy (PSP) to comply with best practices. Which two interfaces can be used to change the PSP? (Choose two.)___
A. ESXi shell
B. vSphere Client
C. ESXi host client
D. vSphere Web Client
【多选题】
In what two ways can Storage DRS load balance virtual machines? (Choose two.)___
A. anti-affinity rules
B. virtual storage controller
C. guest OS family
D. I/O latency
【多选题】
What two reasons can explain why a host cannot be removed from a vSphere Distributed Switch? (Choose two.)___
A. There are virtual machine network adapters connected to the switch.
B. There are blocked ports on the switch.
C. There are LACP LAGs configured on the switch.
D. There are VMkernel network adapters connected to the switch.
【多选题】
Which three requirements are true for the vCenter Server HA network? (Choose three.)___
A. Network latency between all nodes must be less than 10 milliseconds.
B. IP addresses for all nodes must be static.
C. HA network IP addresses for all nodes can be on different subnets.
D. IP addresses must be on the same network as the management network.
E. A default gateway must be configured.
【多选题】
Which two statements correctly describe Normal Lockdown Mode? (Choose two.)___
A. ESXi Shell and SSH services are independent of lockdown mode.
B. In normal lockdown mode the DCUI service is stopped.
C. ESXi Shell and SSH services are dependent of lockdown mode and cannot be configured.
D. In normal lockdown mode the DCUI service is running.
