【判断题】
多段床身接合面刮削时,将被刮的接合面端用枕木垫高的目的是便于刮研
A. 对
B. 错
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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?___
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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?___
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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?___
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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?___
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By default, each ESXi 6.x host is provisioned with a certificate from which root certificate authority?___
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An administrator is adding an NFS datastore as shown in the Exhibit. What is the purpose of the Servers to be added list?___
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D. ynamic Discovery of targets.
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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?___
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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?___
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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?___
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轨端或轨顶面剥落掉块,其长度超过15mm,深度超过4mm判定为重伤
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钢轨锈蚀,除锈后轨底边缘处厚度不足5mm或轨腰厚度不足8mm时,判定为重伤
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钢轨顶面上有长大于50mm,深大于8mm的掉块,判定为折断
A. 对
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在钢轨上钻螺栓孔时必须倒棱,两螺栓孔的净距,不得小于孔径的两倍,直径不同时按小孔径计算
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A. 对
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A. 对
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辙叉心、辙叉翼轨面剥落掉块,长度超过15mm,深度超过3mm,判定为轻伤标准
A. 对
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第一牵引点(分动外锁闭)或者连接杆(联动内锁闭)之后,尖轨侧面磨耗达到7mm时需进行更换
A. 对
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实际锁定轨温不在设计锁定轨温范围内,或左右股长轨条的实际锁定轨温相差超过5℃时,需进行应力放散或调整
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在道口处的道路上应设置道口标志和护桩,道口标志设在通向道口、距道口最外股钢轨不小于3m处的道路右侧,护桩设在道口附近的道路两侧
A. 对
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线路标志在单线上顺计算里程设于轨道线路右侧,在双线上各设于本线地铁列车运行方向右侧
A. 对
B. 错