【填空题】
75. CRH380B型动车组车顶隔离开关分布在___,___,车上,在正常情况下处在闭合状态。
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答案
TC02|TC07
解析
暂无解析
相关试题
【填空题】
76. 牵引单元的中央控制控制单元通过比较两个___测得的差值来判断主变压器原边电路是否有___故障。
【填空题】
77. 使用备用制动时,二级操纵区所使用的单针压力表指示的是___压力。
【填空题】
78. CRH380B型动车组共有___个牵引电机。
【填空题】
79. 网关可实现列车总线___和车辆总线___通信协议的转换,提供更高层次的接口,并实现车辆编组的自动配置。
【填空题】
80. 进行三键复位应同时操作___、降弓、___按钮。
【填空题】
81. CRH380B型动车组牵引电机采用___ 冷却方式,___用于保护牵引电动机,以防出现过热过载情况。
【填空题】
82. 塞拉门供电电压为___V。
【填空题】
83. 塞拉门当速度在___至___km/h时,只有紧急解锁可以打开车门,当速度大于10km/h时,紧急解锁也无法打开车门。
【填空题】
84. 当紧急解锁时,解锁开关会给___一个信号使其报警。
【填空题】
85. 当中间直流环节接地检测值超处于___%±___范围时,CRH380B型动车组会不报25EF故障。
【填空题】
86. 门控单元上的车长关门信号通过___总线向列车控制系统传递。
【填空题】
87. 本地关门按钮为___色。
【填空题】
88. CRH380B高压撒砂压力为___bar,低压撒砂压力为___bar。
【填空题】
89. CRH380B动车组主空压机工作使用电源为440V交流供电。当总风低于8.0±0.2bar时启动两个压缩机,低于___±___bar时只启动1个压缩机,高于10±0.2bar时两个压缩机都停止。
【填空题】
90. 停放制动风缸为排风___,充风___。
【填空题】
91. 空气簧安全阀动作值为___bar。L14的动作值为___bar。
【填空题】
92. 撒砂装置位于___车1轴和3、___车1、4轴,轮缘润滑装置装位于头车1轴。
【填空题】
93. 轮缘润滑喷油口喷出的为___。
【填空题】
94. CRH380B型动车组辅助空压机锁闭后,需等___分钟,自动缓解。
【填空题】
95. 在CRH380B型动车组撒砂系统中,当列车速度大于___km/h时,采用高压撒砂。
【填空题】
96. CRH380B型动车组受电弓气囊压力值随列车速度的增加___ 。
【填空题】
97. 转向架驱动装置包括牵引电动机、___和___。
【填空题】
98. 外部照明选择开关51-S11由远光灯、___、___、信号灯暗以及关闭五个选择档位组成。
【填空题】
99. 在火警系统中,光学烟气探测器分布在___、卫生间、___、司机室。
【填空题】
100. CRH380B动车组辅助供电系统采用___供电方式,由分散布置在若干车厢的各___向干线供电。
【填空题】
101. 客室空调机组安装在每节车的___ 。
【填空题】
102. CRH380B动车组是按照铁路总公司统型技术条件要求进行优化设计的CRH3型动车组,它实现了旅客界面、___ 、运用界面、___ 、制动界面、监测保护六方面的统一。
【填空题】
103. CRH380B动车组操作界面的设计统一是指:___、___等统一。
【填空题】
104. CRH380B动车组维护界面的设计统一是指:闸片、___、___等统一。
【填空题】
105. CRH380B动车组制动界面的设计统一是指:___、___等统一。
【填空题】
106. 根据动车组统型技术条件要求,CRH380B动车组___采用8辆编组,由二个“二动二拖”的牵引动力单元组成4M4T的结构。列车轮周牵引功率为___kw,设计速度为___ km/h。
【填空题】
107. CRH380B动车组车体承载结构由___、侧墙、___、端墙及设备舱组成一个整体,头车设司机室,车体断面与CHR380BL型动车组完全一致。
【填空题】
108. CRH380B动车组车辆连接装置的中间车钩、___、___与CRH380BL动车组完全相同。
【填空题】
109. CRH380B动车组客室侧窗、司机室前窗均采用双框结构,螺栓连接。客室侧窗更换周期由原来的72h缩短到约___h,司机室前窗更换周期由原来的120h缩短到约___h。侧窗玻璃层厚度、性能与CRH380BL动车组一致。
【填空题】
110. CRH380B动车组火灾报警系统增加___。旅客信息系统增加___摄像头。
【填空题】
111. CRH380B动车组共有___个MMI,分别设在EC01、EC08、___车。
【填空题】
112. CRH380B动车组端部车钩采用___车钩;前端开闭机构采用___开闭机构。
【填空题】
113. CRH380B动车组每辆车配有一套独立的空调系统,具有___与___、采暖和制冷、气流的输送和分配、新风过滤或与回风混合后过滤、应急通风、调节和控制。
【填空题】
114. CRH380B动车组PIS子系统由___、___、影音娱乐子系统组成。
【填空题】
115. 单个车火灾报警系统的每个烟感线器通过___与火灾报警系统控制单元通讯。
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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?___
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Which storage feature always requires the use of third-party software on ESXi?___
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An ESXi host's VMCA-Signed certificate has expired. How can the certificate be renewed?___
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【单选题】
Which is the correct order for upgrading vSphere components?___
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B. VMware Tools, Virtual Machine hardware, ESXi hosts, vCenter Server
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【单选题】
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【单选题】
An administrator is attempting to power on a virtual machine with 32GB of memory. The operation fails with the following error: <Could not power on VM: No space left on device> <Checking the space on the virtual machine's datastore, there is 30GB free.> Which action would allow the VM to power on?___
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【单选题】
An administrator attempts to manually reclaim space on thin-provisioned VMFS6 volumes but finds that no additional space is being recovered. Which could be causing this?___
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【单选题】
An administrator has upgraded to vSphere 6.5 and also wants to use Kerberos authentication for NFS. Which can be done to the existing NFSv3 volumes to enable this feature?___
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D. Perform a scan of new storage devices.
【单选题】
An administrator wants to restore the vCenter Server Appliance 6.5 from backup. Where can this be accomplished?___
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【单选题】
The administrator wants to power on VM-K2, which has a 2GHz CPU reservation. VM-M1, VM-M2, and VM-K1 are all powered on. VM-K2 is not powered on. The exhibit shows the parent and child resource reservations. If Resource Pool RP-KID is configured with an expandable reservation, which statement is true?___
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C. VM-K2 will be unable to power on because only 2GHz are reserved for RP-KID.
D. VM-K2 will receive resource priority and will be able to power on this scenario.
【单选题】
Which is the block size on the VMFS6 datastore?___
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C. Small file blocks are 512KB. large file blocks are 64MB.
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【单选题】
When installing vCenter Converter Standalone, why must an administrator perform a client-server installation instead of a local installation?___
A. to manage conversion tasks remotely
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【单选题】
Which is required by vCenter Converter Standalone to convert a physical Red Hat Enterprise Linux 7 machine to a virtual machine?___
A. The Linux machine must be powered off.
B. The Linux machine must have the SSH daemon started.
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【单选题】
An administrator is troubleshooting network communications between a vCenter Server and an ESXi 6.5 host. Which log shows the related events between these components?___
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【单选题】
An administrator has recently upgraded from vSphere 6.0 to 6.5, and can no longer see the software iSCSI named vmhba33. Which could be the reason for this?___
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C. vSphere 6.5 no longer supports software iSCSI.
D. The upgrade has deleted the vmhba.
【单选题】
An administrator is trying to vMotion a VM from his datacenter to a recovery site. Which is the maximum allowed RTT (Round-Trip Time) latency between source and destination host?___
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B. 150 milliseconds
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【单选题】
Which is required for configuring iSCSI Software Adapter network port binding?___
A. VMkernel of the iSCSI traffic must be load balanced using Route based on IP Hash algorithm.
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【单选题】
In vSphere Data Protection 6.1, which is the function of a Backup Verification job?___
A. None. Backup Verification job is not a feature of vSphere Data Protection
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D. It is an automatic process -Restore a virtual machine -Power it on -Verify that the guest OC is booted by detecting the VMware ToolsTM "heartbeats"
【单选题】
An administrator has enabled vSphere Distributed Switch Health Check. The hosts connected to that Distributed Switch all display an alert:< vSphere Distributed Switch MTU supported status > .The administrator has all of the VMkernel ports MTU sizes set to 1600. Which action will remedy this problem?___
A. Configure the Distributed Switch to MTU 9100.
B. Disconnect and reconnect the physical network cable.
C. Configure the physical switch to MTU 1600.
D. Disable the Distributed Switch MTU.
【单选题】
Which Host Profile Subprofile configuration is used to configure firewall settings for ESXi hosts?___
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【单选题】
Where would a vSphere administrator find general vCenter Server logs on a vCenter Server Appliance?___
A. /var/log/vmware/vpxd/
B. /var/log/messages
C. /etc/vmware-vpx/
D. /var/log/vmware/vsan-health/
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An administrator wishes to enable network port mirroring based on source port. Which feature should be enabled?___
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【单选题】
Which CLI command shows the physical uplink status for a vmnic?___
A. esxcli network ip connection list
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D. esxcli network nic list
【单选题】
Which is the maximum number of block devices (LUNs) that are supported by ESXi hosts that are running version 6.5?___
A. 1024
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When performing a vCenter Server 5.5 for Windows with Microsoft SQL Server Express database migration to vCenter Server Appliance 6.5, which will be the target database?___
A. Microsoft SQL Server Express 2012R2
B. Microsoft SQL Server Standard 2012R2
C. PostgreSQL
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An administrator has multiple vCenter Server 6.5 systems but cannot enable Storage I/O Control (SIOC) on a datastore shared by ESXi hosts managed by the vCenter Server systems. Which action should the administrator take to resolve the issue?___
A. Unmount the datastore and then enable SIOC on the vCenter Server system.
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C. Configure Storage DRS and then enable SIOC on the vCenter Server system.
D. Enable Raw Device Mapping (RDM) on the
E. SXi hosts.
【单选题】
“OneAppServer” is a VM template stored in a content library named “LibraryOne”, but the vSphere administrator is not able to use this template for deployment. Why is the administrator unable to deploy OneAppServer?___
A. OneAppServer must be updated before it can be deployed.
B. LibraryOne is a subscribed library and OneAppServer is not downloaded yet.
C. LibraryOne is published and optimized for syncing over HTTP.
D. OneAppServer was imported from a local file on the system.
【单选题】
An administrator sets the Failover Capacity for both CPU and Memory at 25%. Based on the Exhibit below, how much of the cluster’s total CPU resources are still available to power on additional virtual machines?___
A. 45%
B. 25%
C. 70%
D. 60%
【单选题】
Which statement applies to the vSphere Replication appliance?___
A. Only one vSphere Replication appliance can be deployed per vCenter Server instance.
B. VMware Tools in the vSphere Replication appliance can be upgraded.
C. A single vSphere Replication appliance can manage a maximum of 4000 replications.
D. vSphere Replication is available only with the vSphere
E. ssentials Plus license.
【单选题】
Which esxcli namespace can a vSphere Administrator use to adjust the queue depth?___
A. esxcli system module parameters
B. esxcli storage core device
C. esxcli system module set
D. esxcli storage core adapter
【单选题】
Which statement regarding datastore clusters meets VMware’s recommended best practices?___
A. Clusters should contain only datastores presented from the same storage array.
B. Clusters should contain only datastores with equal hardware acceleration capability.
C. Clusters should contain only datastores with the same capacity.
D. Clusters should contain only datastores using the same connection method (iSCSI, FC, etc.).
【单选题】
What VM Monitoring setting would ensure that the maximum reset window for a virtual machine is 24 hours?___
A. Medium
B. Low
C. High
D. Normal
【单选题】
What is the default space threshold for vSphere Storage DRS?___
A. 80%
B. 70%
C. 90%
D. 95%
【单选题】
Which is the correct sequence to upgrade a vSphere infrastructure?___
A. vCenter Server>ESXi host> VMware Tools>VM compatibility
B. ESXi host>vCenter Server> VMware Tools>VM compatibility
C. vCenter host> ESXi host> VM compatibility> VMware Tools
D. ESXi host>vCenter Server> VM compatibility>VMware Tools
【单选题】
An administrator has a large boot from SAN cluster and wants to ensure consistent configuration by using host profiles. What special considerations are required for boot from SAN hosts?___
A. Change the “Device is shared clusterwide” setting to “false” in the host profile.
B. Verify that the boot LUN is correctly identified as the boot device in the host profile.
C. The boot from SAN device must report as a local device.
D. Host profiles are incompatible with boot from SAN hosts.
【单选题】
When using VMware Converter to import a Windows server and improve the consistency of the destination virtual machine, which optional step can be performed immediately prior to powering down the source server?___
A. Perform a final synchronization task.
B. Remove the server from the network.
C. Uninstall production applications.
D. Remove the server from the Active Directory domain.
【单选题】
Restoration of the vCenter Server Appliance is accomplished using which interface?___
A. vSphere Web Client
B. vSphere Client
C. vCenter Server Appliance Management Interface
D. vCenter Server Appliance GUI Installer
【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.