【判断题】
在车顶作业时,须将工具、材料放在边沿脚位
A. 对
B. 错
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答案
B
解析
暂无解析
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客运列车中途摘车2辆以上,未构成较大以上事故的,为一般A类事故
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事故调查组有权向有关单位和个人了解与事故有关的情况,并要求其提供相关文件、资料,有关单位和个人不得拒绝
A. 对
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事故调查期限自事故调查组到达之日起计算
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B. 错
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事故责任分为全部责任、主要责任、重要责任、次要责任和同等责任
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备用客车无须定期对蓄电池进行补充电
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列车运行途中因发电机故障或长时间停留,车辆乘务员可酌情减少用电负荷
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在运用客车质量鉴定中,通过台灯1支不亮,属于A类故障
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客车发电机的辅修周期为6个月
A. 对
B. 错
【判断题】
空调配电室内除车辆人员外,其他人不得堆放杂物
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发电车供电的空调客车,须在列车始发前1h开启空调设备对车厢进行预冷、预热;终到后50min卸载停机。接车供电的空调客车,在列车始发前50min连挂机车后须立即开启空调对车厢进行预冷、预热
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测量单车母车的绝缘应小于0.1兆欧
A. 对
B. 错
【判断题】
凡运行途中空调客车出现电器烧损时,均须停机进行故障确认
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列车库内停留时,除检修需要外,严禁使用空调电气设备、电风扇、电茶炉和电冰箱
A. 对
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备用空调车的发电车须每隔一个月启动机组一次
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如果MGS电子防滑器上显示“7.2”时,表明轮对的车轮防滑出错
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硅二极管的死区电压一般为0.2V
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串联的阻抗越多,其总阻抗越大
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接线图中应表出配线用的各种导线的型号、规格、截面积及颜色要求。接线图中应表出配线用的各种导线的型号、规格、截面积及颜色要求
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列车整备原则上应使用外接电源供电,用电时间一般不超过1h
A. 对
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二极管所允许的最高工作电压的峰值等于反向击穿电压
A. 对
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风冷式冷凝器用空气作为其冷却介质
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三相压缩机的电机缺相会使压缩机烧损
A. 对
B. 错
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欠压保护可以防止断电后,电源突然恢复时,造成电动机自动启动
A. 对
B. 错
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晶闸管有三个PN结,三个电极
A. 对
B. 错
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电压互感器是供配电系统中配合测量仪表和继电保护使用的一种特殊变压器
A. 对
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同一发电车各发电机组要均衡使用,个机组运转时差最大不得超过100H
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GN型蓄电池中修后,电解液液面应高出极板肩10-20mm
A. 对
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当环境温度低于16℃时,严禁开启空调设备制冷
A. 对
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全列空调列车额定负载总和不得超过发电车额定输出功率
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当环境温度低于0℃时,须开启电伴热装置
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串激电动机的负载特性较软
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Which scenario shows a reason for VMware Tools failing to install? ___
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【单选题】
An administrator is configuring an ESXi 6.x host to use multiple NICs to resolve a management network redundancy error. After configuring a second NIC, the server is not able to communicate when the primary connection is taken down. The administrator analyzes the Exhibit shown here. Based on the exhibit, what is the likely cause of the issue? ___
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【单选题】
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Which vSphere 6 Standard Edition feature will allow an organization to ensure that critical multi-threaded applications have the maximum possible uptime? ___
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【多选题】
An application running in a virtual machine is experiencing performance issues. When utilizing performance monitoring utilities, it is noted that the CPU Utilization of the application is at 100%. Which two scenarios are probable causes of the CPU contention for the application? (Choose two.)___
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【多选题】
A Fault Tolerance (FT) virtual machine with four vCPUs is experiencing high latency when performing ICMP and Application tests. What are three potential causes that may be attributing to this latency? (Choose three.)___
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E. The
F. T virtual machine is running on poor performing network-based storage.
【多选题】
A virtual machine is experiencing performance issues. The following performance metrics are observed: <CPU usage value for the virtual machine is above 90%> < CPU ready value for the virtual machine is above 20%> Which two activities will likely resolve the performance issues? (Choose two.)___
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【多选题】
An administrator is upgrading a vSphere Distributed Switch. The existing switch is version 6.0 and the administrator wants to upgrade to the latest version possible. The environment contains several ESXi 6.1 hosts. Which two options are available to ensure that the upgraded switch will be compatible with these hosts? (Choose two.)___
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【多选题】
An administrator attempts to create a Thick Provisioned Virtual Disk (VMDK) on an NFS datastore; but it fails. Which two reasons would explain the failure? (Choose two.)___
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Which two NFS Protocol versions does vSphere 6 support? (Choose two.)___
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【多选题】
Which three operations occur during a cold migration of a virtual machine? (Choose three.)___
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E. The virtual machine files are quiesced prior to the migration.
【多选题】
A 4 GB Memory virtual machine is experiencing extended memory issues, as shown in the Exhibit. What potential issues could be attributed to this memory pressure?___
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B. The Balloon driver has been uninstalled.
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【多选题】
You are creating a virtual machine in the Web Client using the New Virtual Machine wizard. Which two steps are required? (Choose two.)___
A. Select a valid name.
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【多选题】
An administrator has been given requirements to configure vMotion for a new virtual machine. The configuration should: <Provide Network Redundancy Use VLAN 550> <Be secured against anyone trying to spoof communication The vSwitch1 configuration is shown in the Exhibit.> Which three changes should be made to meet the stated requirements? (Choose three.)___
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【多选题】
Which three traffic types are available services options when configuring a vmkernel port? (Choose three.)___
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【多选题】
An administrator logs into the vSphere Web Client, but is unable to see any hosts and clusters. Which two options could fix the problem? (Choose two.)___
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【多选题】
Which three VLAN Tagging modes are available in vSphere 6.x? (Choose three.)___
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【多选题】
Which two statements are true about VMFS5 datastores on ESXi 6.x? (Choose two.)___
A. Virtual Disk (VMDK) size can be larger than 2TB.
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C. Only Physical Mode Raw
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【多选题】
Which two statements are correct when turning off a Distributed Resource Scheduler (DRS) Cluster? (Choose two.)___
A. The resource pool hierarchy of the DRS cluster is maintained.
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C. The affinity settings of the
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【多选题】
An administrator is creating a new Virtual SAN cluster on a Layer 2 network. There is an existing Virtual SAN cluster on the same Layer 2 network. Which two actions would allow the new Virtual SAN cluster to coexist with the older cluster? (Choose two.)___
A. Change the default Multicast Address on the new Virtual SAN cluster.
B. Change the default Unicast Address on the new Virtual SAN Cluster.
C. Create a separate VLAN for each cluster.
D. Create an ARP Alias for the Virtual SAN VMkernel Network Adapter.
【多选题】
A vCenter Operations Manager 5.7 environment is upgraded to vRealize Operations. After the upgrade, the analytics services fail to start. Which three steps must be taken to resolve the problem? (Choose three.)___
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B. Delete the activity persistence files.
C. Bring the cluster back online.
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E. Stop the CaSA service.
【多选题】
An organization has an ESXi 6.x host that contains two resource pools. The host is being relocated to a DRS cluster. What two actions can be taken to integrate the host into the cluster, and what would happen to the existing ESXi resource pool hierarchy as a result? (Choose two.)___
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C. Place all of the host's virtual machines into the DRS cluster root resource pool. The resource pools present on the host will be preserved.
D. Create a resource pool for the
E. SXi host's virtual machines and resource pools. The resource pools present on the host will be preserved.
【多选题】
Which two parameters are required when adding an iSCSI target to an iSCSI Software Adapter using Dynamic Discovery? (Choose two.)___
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【多选题】
Which two SMTP Notification Event Details are specific to alarms triggered by events? (Choose two.)___
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B. Summary
C. Old Status
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【多选题】
Which two High Availability ___ Cluster admission control policies can help avoid resource fragmentation? (Choose two.)(AC)
A. Define failover capacity by static number of hosts
B. Define failover capacity by reserving a percentage of the cluster resources
C. Use dedicated failover hosts
D. Use Virtual Machine Monitoring
【多选题】
An attempt to enable vSphere Fault Tolerance for a powered-on virtual machine fails. Which two scenarios would result in this failure? (Choose two.)___
A. The virtual machine has three vCPUs configured.
B. The host on which the virtual machine is running has insufficient memory resources.
C. The virtual machine has insufficient resources to accommodate full reservation plus the overhead memory.
D. VMware High Availability is enabled on the cluster of which this host is a member.
【多选题】
A vApp template recently added to a Content Library is not displayed. Which two actions could correct this problem? (Choose two.)___
A. Manually synchronize the library
B. Select the Download all library content immediately option
C. Select the Sync subscribed library option
D. Manually download the vApp template
【多选题】
What are three valid disk configurations for the vSphere Data Protection 6.x Appliance? (Choose three.)___
A. 500GB
B. 1TB
C. 1.5TB
D. 2TB
E. 4TB
【多选题】
Which three connection types are available when configuring a vSwitch in the vSphere Web Client? (Choose three.)___
A. VMkernel Network Adapter
B. Physical Network Adapter
C. Virtual Machine Port Group for a Standard Switch
D. vMotion Network Adapter
E. vSAN Network Adapter
【多选题】
Which three features can be enabled for a new host cluster? (Choose three.)___
A. Storage Distributed Resource Scheduling
B. High Availability
C. Fault Tolerance
D. Distributed Resource Scheduling
E. Virtual SAN
【多选题】
An administrator receives a report that no real time statistics are available for a virtual machine in the vCenter Server inventory. Which two statements indicate likely causes of the problem? (Choose two.)___
A. The virtual machine is powered off.
B. The host containing the virtual machine is disconnected from vCenter Server.
C. There is insufficient real time data to display the information.
D. The vCenter Server service is not running.
【多选题】
Your manager has given you a bash script that retrieves data for ESXi 6.x host configurations. This data needs to be collected right after the installation of a host and must be run directly on the host. Which two actions can be used to run this script on an ESXi host? (Choose two.)___
A. Connect to the host with Ruby vSphere Console and run the script from there.
B. Enable SSH access from the Direct Console User Interface.
C. Enable the ESXi Shell from the
D. irect Console User Interface.
【多选题】
Which two are true about the Risk badge in vRealize Operations? (Choose two.)___
A. The Risk badge indicates potential future problems that may degrade the performance of the system.
B. Risks may require attention in the near future.
C. The Risk badge indicates problems that are degrading performance of the system.
D. Risks require attention now to correct system performance problems.
【多选题】
vSphere Update Manager allows which two virtual machine attributes to be upgraded? (Choose two.)___
A. Virtual machine firewall policies for NSX.
B. Software Packages in the virtual machine.
C. Virtual machine Hardware Version.
D. VMware Tools Upgrade.
【多选题】
What are two benefits of using NFS 4.1 with vSphere 6.x as compared to NFS 3? (Choose two.)___
A. NFS 4.1 supports Kerberos Authentication
B. NFS 4.1 supports multipathing
C. NFS 4.1 supports IPv6
D. NFS 4.1 supports hardware acceleration
【多选题】
Which three statements are true regarding Fault Tolerance? (Choose three.)___
A. Applications need to be continuously available to users.
B. Applications without native clustering capabilities can be protected.
C. Custom clustering solutions are complicated to configure and maintain.
D. Applications that have 16 vCPUs are supported.
E. Prevents application crashes by analyzing the workload and correcting problems.
【多选题】
Which two statements are true regarding VMware vSphere Flash Read Cache (vFRC)? (Choose two.)___
A. Cache fills and cache evictions happen in the granularity of a cache block size.
B. vFRC caches data from both read and write I/Os, but write I/Os are always serviced by the underlying storage.
C. vFRC caches data from both read and write I/Os, but write I/Os are always serviced by the underlying cache data.
D. Cache fills and cache evictions happen in the granularity of the disk block size.