【判断题】
双线双向区间反方向行车，应停止使用基本闭塞法，改用电话闭塞法。
A. 对
B. 错
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答案
B
解析
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相关试题
【判断题】
按封锁区间办法向不应答站发出列车时，该列车应在不应答站的进站信号机外停车，判明不应答原因及准备好进路后，再行进站。司机或车站值班员应将经过情况报告列车调度员。
A. 对
B. 错
【判断题】
按施工特定行车办法行车时，车站不向司机递交书面行车凭证和调度命令，并使用列车无线调度通信设备将行车凭证号码（路票为电话记录号码、绿色许可证为编号）和调度命令号码通知司机，列车凭通过手信号通过车站。
A. 对
B. 错
【判断题】
四显示自动闭塞区段，进站色灯信号机显示一个绿色灯光和一个黄色灯光时，准许列车按规定速度经道岔直向位置进入站内，表示次一架信号机经道岔直向位置开放一个绿灯。
A. 对
B. 错
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【多选题】
An administrator is attempting to power on a virtual machine, but is unable to do so. Which two reasons are probable causes of the failure? (Choose two.)___
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An administrator is attempting to migrate a large Hadoop virtual machine using vMotion. The administrator notices a delay when the machine is quiesced. The Hadoop virtual machine is processing many transactions a second to an in-memory database. Which two actions would help reduce the amount of time needed to perform a vMotion on this virtual machine? (Choose two.)___
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An administrator is installing a new network card in an ESXi 6.x host that is part of a vSphere cluster. When the host is placed into maintenance mode, the vSphere Web Client displays the progress bar at 2% for over 30 minutes. Which two are likely reasons for this occurrence? (Choose two.)___
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【多选题】
Which two events happen when Distributed Resource Scheduler (DRS) is disabled? (Choose two.)___
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【多选题】
Which two networking connection types can be configured on a virtual switch? (Choose two.)___
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【多选题】
An administrator creates a DRS cluster of eight ESXi 6.x hosts. There are 10 virtual machines balanced across the hosts. An attempt to place the first host into maintenance mode fails. What are two reasons that the host failed to enter maintenance mode? (Choose two.)___
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【多选题】
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【多选题】
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【多选题】
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D. 2 disk groups with 1 SSD and 10 MDs each
【多选题】
A physical Windows 2008 R2 Server is converted to a virtual machine using VMware vCenter Converter. Upon completion of the conversion and subsequent power on operation, the virtual machine fails to boot and the message below is observed in the Console of the virtual machine: <STOP 0x0000007B INACCESSIBLE_BOOT_DEVICE>. Which two potential issues may be causing this boot failure? (Choose two.)___
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【多选题】
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【多选题】
When attempting to power on a Virtual Machine you observe the following error: <Cannot open the disk '/vmfs/volumes/volume/vm/vm-000002.vmdk' or one of the snapshot disks it depends on.> Which three actions will be the best solutions to address this problem? (Choose three.)___
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【多选题】
An administrator has been tasked with enabling High Availability ___ on a cluster in a vSphere 6.x environment with default settings. The cluster configures properly and there are no errors. The next day when powering on a virtual machine, an error is presented: <Not Enough Failover Resources>. Which three scenarios are likely causes of this error message? (Choose three.)(CDE)
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【多选题】
vMotion can be performed between which three physical boundaries? (Choose three.)___
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F. rames.
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An administrator has unsuccessfully attempted several times to install an Operating System inside a virtual machine. The administrator finds that the installation fails at random intervals. Which two actions can be taken to resolve this issue? (Choose two.)___
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【多选题】
You need to add an object to an existing vApp using the vSphere Web Client. How is this accomplished?___
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Which three steps must be taken to use vSphere Update Manager 6.x to upgrade an ESXi 5.5 host to vSphere 6.x? (Choose three.)___
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E. SXi Image.
【多选题】
Which two options would allow a database administrator, with no access to the vSphere infrastructure, to connect to a virtual machine? (Choose two.)___
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C. Analytics Server
D. Database Server
E. Connection Broker
