【单选题】
在干线及繁忙干线上，须设配智能跟踪装置的红外线轴温探测网，轴温探测站的间距一般按___设置
A. 20 km
B. 30 km
C. 40 km
D. 50 km
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答案
B
解析
暂无解析
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【单选题】
救援列车、救援列车人员的出动均由铁路局调度所机车调度员发布事故救援出动的调度命令，列车调度员组织并确保救援列车在___内开行
A. 15 min
B. 20 min
C. 25 min
D. 30 min
【单选题】
造成___为重大事故
A. 1亿元以上的直接经济损失
B. 5 000万以上1亿元以下的直接经济损失
C. 1 000万元以上5 000万以下的直接经济损失
D. 500万元以上1 000万以下的直接经济损失正确答案：
【单选题】
___为较大事故
A. 繁忙干线客运列车脱轨18辆以上并中断铁路行车48 h以上
B. 客运列车脱轨2辆以上18辆以下并中断繁忙干线铁路行车24 h以上或者中断其他铁路行车48 h以上
C. 客运列车脱轨2辆以上18辆以下
D. 客运列车脱轨2辆以上
【单选题】
事故调查组在事故发生后应当及时通知相关单位和人员；一般B类事故以上、重大以下的事故(不含相撞的事故)发生后，应当在___内通知相关单位，接受调查
A. 2 h
B. 8 h
C. 12 h
D. 24 h
【单选题】
标记速度为160 km/h的客车运行___(或距上次各级修程不超过1年)实施A1级检修
A. 10万km±2万km
B. 20万km±2万km
C. 30万km±2万km
D. 40万km±2万km
【单选题】
新造25T型客车上线运行前，须进行通电、带载试运行，试运行距离原则上不得少于___
A. 500 km
B. 1 000 km
C. 1 500 km
D. 2 000 km
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A vSphere content library administrator is attempting to unpublish the content library, but the option is grayed out as shown in the Exhibit. Which statement identifies the reason for not being able to unpublish? ___
A. The content library is optimized for syncing over HTTP.
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Assuming a mirrored (RAID-1) object configuration, how many hosts must contribute storage in a non-stretched VMware vSAN cluster to satisfy the “Number of failures to tolerate” policy option?“n” is the desired “Number of failures to tolerate” value for all options.___
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An administrator must change the statistics level for short-term performance monitoring and wants to collect metrics for all counters, excluding minimum and maximum rollup values. What would be the statistics level?___
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【单选题】
In a vSphere environment, two resource pools are created as shown in the Exhibit. Each VM is configured with 1 GB of memory. When the administrator tried to power on VM3, the operation failed. What action in the resource pool settings will allow VM3 to power on successfully?___
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【单选题】
Which network is used by vSphere HA when VMware vSAN is enabled?___
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【单选题】
Which statement is correct when migrating from a Windows vCenter Server to the vCenter Server Appliance 6.5?___
A. Migration deployments do not migrate local OS users from the source vCenter Server.
B. Migration deployments support DHCP on the source vCenter Server.
C. Migration deployments allow the source vCenter Server to remain powered on afterwards.
D. Migration deployments support custom ports for all services on the source vCenter Server.
【单选题】
How can failback of a recovered virtual machine in vSphere Replication be performed?___
A. No action required, because failback is automatically performed to the source site.
B. Configure a new replication in the reverse direction at the target site.
C. Disable or Stop the virtual machine replication on the source site.
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【单选题】
After upgrading the vSphere infrastructure and VMware Tools to version 6.5, the “Upgrade VM Compatibility” option is grayed out in the vSphere Web Client. (See Exhibit.) What must the administrator do to enable the VM compatibility upgrade?___
A. VMware Tools should be upgraded last.
B. Restart the ESXi server.
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【单选题】
What availability mode does vCenter HA provide?___
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【单选题】
In which scenario will vSphere DRS balance resources when set to Fully Automated?___
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【单选题】
What VMware technology can be used to move physical servers to the vSphere infrastructure?___
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【单选题】
Upgrading vCenter Server with Microsoft SQL database fails with the following error message: The DB User entered does not have the required permissions needed to install and configure vCenter Server with the selected DB. Please correct the following error(s): %sWhat could cause this error?___
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What is a potential downside of having more than four paths per datastore?___
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【单选题】
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【单选题】
A vSphere Administrator is in the process of configuring replication for a virtual machine, but is not able to select the Recovery Point Objective (RPO) value of 5 minutes. Which statement could explain why the RPO value cannot be lower than 15 minutes?___
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【单选题】
What advanced parameter defines a custom isolation IP address for a vSphere HA cluster?___
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【单选题】
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【单选题】
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A. SystemConfiguration.BashShellAdministrators
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【单选题】
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A. 1
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【单选题】
Which guest operating system supports PVRDMA?___
A. Windows (32-Bit)
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C. Windows (64-Bit)
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