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经纬仪整平时,经反复调整,直到仪器转到任意位置时,水准气泡最大偏离值小于二分之一格为止
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在机械设备中,凸轮表面误差将会引起扭转振动
【单选题】
What happens to the status of users already logged into ESXi Shell when a vSphere administrator enables lockdown mode?___
A. Users remain logged in and can run commands, except to disable lockdown mode.
B. Users remain logged in and can run commands, including disabling lockdown mode.
C. Users are immediately logged out of ESXi Shell.
D. Users are logged out after a timeout specified by the vSphere administrator.
【单选题】
What is the effective vSphere licensing level during the 60 day evaluation period?___
A. vSphere Foundation Essentials Plus
B. vSphere Standard
C. vSphere Enterprise
D. vSphere
E. nterprise Plus
【单选题】
To comply with security requirements, an administrator with a vCenter Server Appliance needs to force logoff of the vSphere web client after 10 minutes of inactivity.What should the administrator do to meet the requirement?___
A. Edit: /var/lib/vmware/vsphere-client/webclient.properties, modify session.timeout=10
B. Edit: /opt/vmware/vsphere-client/webclient.properties, modify session.timeout=600
C. Edit: /var/lib/vmware/vsphere-client/webclient.properties modify session.timeout=600
D. Edit: /opt/vmware/vsphere-client/webclient.properties, modify session.timeout=10
【单选题】
An administrator enables High Availability (HA) on a Virtual SAN cluster.Which network is used for HA Network Heatbeat configuration?___
A. The Management network.
B. The vMotion network.
C. The Virtual SAN network.
D. The Provisioning Traffic network.
【单选题】
A user wants to monitor a business-critical virtual machine to ensure that it doesn't run out of resources. What metric could be monitored in vRealize Operations to address this concern?___
A. Time Remaining badge
B. Compliance badge
C. Reclaimable Waste badge
D. Density badge
【单选题】
An administrator has recently installed a new ESXi 6.x Host, and during the configuration notices sporadic network problems. To check whether the issue occurred sometime during the configuration, the administrator would like to reset the system.How can this be accomplished in the shortest amount of time?___
A. Run the ESXi installer again and reinstall the host.
B. Select the Reset System Configuration option from the vSphere Client when connected directly to the host.
C. From the
D. irect Console User Interface, select Reset System Configuration.
【单选题】
A vApp is running out of compute resources when overall activity is high within the resource pool. At other times, everything is fine.What should be done to resolve this issue?___
A. Increase the size of the resource pool Shares.
B. Set the vApp's CPU and Memory Reservation Type to Expandable.
C. Set the vApp's CPU and Memory Limit to Unlimited.
D. Create a new resource pool with the existing hardware configuration.
【单选题】
A virtual machine has been renamed and an administrator is unable to find files with the new virtual machine name in the datastore.What is the reason for this?___
A. The names of the files on the datastore do not change.
B. The names of the files on the datastore have been corrupted.
C. The virtual machine needs to be re-added to the inventory.
D. The Distributed Resource Scheduler moved the virtual machine to another host.
【单选题】
An administrator has configured network connectivity for a new virtual machine, as shown in the Exhibit.What will occur with the network traffic of this virtual machine when communicating externally from vSwitch1?___
A. The virtual machine will communicate on both uplinks
B. The virtual machine will only communicate on vmnic1
C. The virtual machine will only communicate on vmnic2
D. The virtual machine will fail to communicate externally
【单选题】
An administrator is unable to create the first group in a new vRealize Operations environment. What is the likely cause of the problem?___
A. There are no group types defined.
B. The group is not defined in SSO.
C. There are more than 32 group types defined.
D. The description for the group is not provided.
【单选题】
A new vApp was built and tested in the corporate headquarters datacenter running vSphere 6.x. What condition would explain why the virtual machine is failing to boot in an offsite datacenter running on vSphere 5.5?___
A. The virtual machine was built with the default hardware version.
B. The VMFS 5 datastore is not compatible with virtual machines configured with vSphere 6.x.
C. a
D. RS 5.5 cluster cannot run virtual machines configured with vSphere 6.x.
【单选题】
An administrator is evaluating whether to deploy vCenter Server on a Windows server or on a vCenter Server appliance. The administrator has the following requirements: <A web browser will be utilized to manage the vSphere environment.> <16 ESXi hosts will be deployed.> <Licenses must be shared with a vCenter Server at another site.> <An external Oracle 10g database server will be used to host the vCenter Server database.> Why will the administrator need to deploy vCenter Server on a Windows server?___
A. Linked Mode is a requirement for the solution.
B. Oracle 10g is a requirement for the solution.
C. The vSphere web client is a requirement for the solution.
D. Management of more than 5 hosts is a requirement for the solution.
【单选题】
What is a benefit of using VMware Data Protection ?___
A. Provides support for guest-level backups and restores of Microsoft SQL Servers, Exchange Servers, and Share Point Servers.
B. Provides support for advanced storage services including replication, encryption, deduplication, and compression.
C. Provides direct access to VDP configuration integrated into the vSphere Client.
D. Reduces disk space consumed by virtual machine data using deduplication.
【单选题】
An administrator enables vSphere High Availability (HA) on an existing cluster with a large number of hosts and virtual machines. The administrator notices that the setup of vSphere HA on some of the hosts is failing. What step, if taken, might resolve this issue?___
A. Increase the value of the config.vpxd.das.electionWaitTimeSec setting.
B. Set the value of vpxd.das.aamMemoryLimit to 256.
C. Set the value of the das.useDefaultIsolationAddress setting to False.
D. Increase the value of the das.iostatsinterval setting.
【单选题】
An ESXi 6.x host consists of 24 logical cores. Hyperthreading is enabled on the host. What is the maximum number of vCPUs that can be assigned to a virtual machine on this host?___
【单选题】
By default, each ESXi 6.x host is provisioned with a certificate from which root certificate authority?___
A. RedHat Certificate Authority
B. VMware Certificate Authority
C. DigiCert Certificate Authority
D. Verisign Certificate Authority
【单选题】
An administrator is adding an NFS datastore as shown in the Exhibit. What is the purpose of the Servers to be added list?___
A. It contains the IP addresses of the NFS Storage Server to provide multipathing capability.
B. It contains the IP addresses of the ESXi hosts that mount the datastore.
C. It contains the IP addresses used for
D. ynamic Discovery of targets.
【单选题】
An administrator reports that the System Event log data is only available for 24 hours when reviewing the Hardware Status tab. Which condition could be responsible for the loss of data?___
A. A Reset event log was executed.
B. The statistical collection level was set to a value of 1.
C. The boot disk of the host is corrupt.
D. Syslog has been configured at the vCenter Server level.
【单选题】
During an upgrade, the ESXi 6.x installer finds an existing version of ESXi and a VMFS3 volume. No virtual machines exist on the host or VMFS3 volume. The requirement is to upgrade to VMFS5. Which option should be chosen to meet this requirement?___
A. Upgrade ESXi and preserve the VMFS datastore
B. Install ESXi and preserve the VMFS datastore
C. Install ESXi and overwrite the VMFS datastore
D. Upgrade
E. SXi and overwrite the VMFS datastore
【单选题】
A vSphere 6.x Standard Switch is configured with 4 virtual machine portgroups, as shown in the exhibit. Which portgroup would be utilized by default when creating a new virtual machine?___
A. Access Network
B. DMZ Network
C. VM Network
D. Virtual Machine Network
【单选题】
Which vSphere 6.x feature will allow an organization to utilize native snapshots?___
A. Virtual Volumes
B. Virtual SAN
C. VMFS3
D. VMFS5
【单选题】
An administrator is creating a new vSphere Distributed Switch that will be utilized with a specific vSphere Cluster. The cluster itself contains a mix of ESXi 5.x and 6.x Hosts. Which Distributed Switch version should be created to support this configuration?___
A. Distributed Switch: 6.0.0
B. Distributed Switch: 5.0.0
C. Distributed Switch: 5.1.0
D. Distributed Switch: 5.5.0
【单选题】
Which load balancing policy, previously limited to vSphere Distributed Switches, is now available on vSphere Standard Switches with vSphere 6.x?___
A. Route based on physical NIC workload
B. Route based on IP Hash
C. Route based on the originating virtual port
D. Route based on Source MAC Hash
【单选题】
A storage administrator is not seeing full utilization of all bandwidth from an ESXi host. The vSphere administrator observes the adapter details, as shown in the Exhibit. What is the probable cause of this issue?___
A. Another path needs to be used to allow full utilization of the bandwidth.
B. The array is not setup to use the correct multipathing policy.
C. There are no virtual machines on the host.
D. No traffic is being sent across it because a path failed.
【单选题】
A storage administrator is not seeing full utilization of all bandwidth from an ESXi host. The vSphere administrator observes the adapter details, as shown in the Exhibit. What is the probable cause of this issue?___
A. Another path needs to be used to allow full utilization of the bandwidth.
B. The array is not setup to use the correct multipathing policy.
C. There are no virtual machines on the host.
D. No traffic is being sent across it because a path failed.
【单选题】
An administrator has just completed performing an interactive installation of ESXi 6.x and is booting the host. How is the network initially configured?___
A. The network is configured by Automatic Private IP Addressing (APIPA).
B. The network is configured based on the settings detected in DNS.
C. The network is configured with the address as specified in the installer.
D. The network is automatically configured by DHCP.
【单选题】
You have just installed an ESXi 6.x Host. As part of your company security regulations, a security banner must be presented on the console of the host. How can this action be accomplished?___
A. Configure the Advanced Settings > Annotations screen of the ESXi host.
B. This is configured from the Direct Console User Interface configuration menu.
C. It is not possible to configure a security banner for the ESXi host.
D. From vCenter Server, this setting is configured globally in the vCenter Server configuration.
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三显示自动闭塞区段的发车进路色灯信号机显示一个___灯光,准许列车运行到次一架信号机之前准备停车。J418
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当进站信号机开放一个绿色灯光和一个黄色灯光时,其接近信号机将会显示___灯光。J424
A. 一个绿色
B. 一个黄色灯光
C. 一个绿色灯光和一个黄色灯光
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调车色灯信号机显示一个___灯光时,准许越过该信号机调车。J426
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驼峰色灯信号机显示一个红色闪光灯光,指示机车车辆自驼峰___。J427
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驼峰色灯信号机显示___——指示机车车辆加速向驼峰推进。J427
A. 一个绿色
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驼峰色灯辅助信号机及其复示信号机显示一个黄色灯光,指示机车车辆向驼峰___推送。J428
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进站信号机的色灯复示信号机无显示表示主体信号机在___状态。J429
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发车进路信号机的色灯复示信号机显示一个绿色灯光——表示主体信号机在___状态。J429
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在自动闭塞区段,当列车接近的通过信号机显示容许信号时,机车信号机显示一个___灯光。J435
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三显示自动闭塞区段机车信号机显示一个黄色灯光,要求列车注意运行,表示列车接近的地面信号机显示一个___灯光。J435
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无线调车灯显信号显示绿灯闪数次后熄灭,表示___信号。J439
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无线调车灯显信号显示绿.黄灯交替后绿灯长亮,表示___信号。 J439
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列车运行中,遇昼间两臂高举头上向两侧急剧摇动,夜间白色灯光上下急剧摇动,司机应立即___。J440
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列车运行中,遇昼间展开的___信号旗,司机需将列车降低到要求的速度。J440
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调车手信号指挥机车向显示人反方向去的信号,昼间用展开的绿色信号旗.夜间用绿色灯光___。J441
A. 在下部左右摇动
B. 上下摇动
C. 上下小动
【单选题】
调车手信号指挥机车向显示人方向稍行移动的信号,昼间为拢起的红色信号旗直立平举,再用展开的绿色信号旗___。J441
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联系用手信号显示股道号码时,夜间白色灯光左右摇动后,从左下方向右上方高举,表示股道开通___道。J442
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联系用手信号显示股道号码时,夜间白色灯光作圆形转动,表示股道开通___道。J442
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联系用手信号显示股道号码时,昼间右臂向右平伸,左臂向右下斜45°角,表示股道开通___道。J442
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联系用手信号显示股道号码时,夜间白色灯光作圆形转动后,再高举头上左右小动,表示股道开通___道。J442
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联系用手信号显示十.五.三车距离信号中的“十车”(约110米)信号时,昼间的显示方式为展开的绿色信号旗单臂平伸连续下压 ___次。J442
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夜间机车出入段时的道岔开通信号为:___灯光高举头上左右摇动。J442
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降弓手信号在昼间的显示方式为左臂垂直高举,右臂___并左右水平重复摇动。J445
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升弓手信号在夜间的显示方式为白色灯光作___。 J445
A. 圆形转动
B. 左右重复摇动
C. 上下摇动
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道岔表示器夜间显示___灯光时,表示道岔位置开通直向。J446
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信号机在开放状态其四个发车方向进路表示器左方横向显示两个白色灯光——表示进路开通,准许列车向左侧___方向线路发车。J448
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调车表示器向调车区方向显示一个白色灯光,表示准许机车车辆___。J451
A. 自调车区向牵出线运行
B. 自牵出线向调车区运行
C. 自牵出线向调车区溜放
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减速地点标,设在需要减速地点的两端各___ m处。J454
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机车的鸣笛鸣示方式中,起动注意信号的鸣示方法为___。J461
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司机发现(或接到通知)邻线发生障碍,应向邻线上的列车发出___信号。J461
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机车的鸣笛鸣示方式中,紧急停车信号的鸣示方式为___。J461
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在口笛号角鸣示方式中,停车信号为___。J462
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机车挂车时,机车距脱轨器、防护信号.车列___m前必须停车。 C13
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机车挂车时,确认脱轨器、防护信号撤除后,显示连挂信号,以不超过___km/h的速度平稳连挂。 C13