【判断题】
登杆前要对登高板的板子做冲击载荷试验,确认登高板的性能安全后才能使用。
A. 对
B. 错
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视在功率S常用来表征设备的额定容量,并标在铭牌上。
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在特殊环境如湿热、雨雪以及存在爆炸性或腐蚀性气体的场所,使用的移动式电气设备必须符合相应防护等级的安全技术要求。
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远方对装置进行信号复归属于110kV及以下线路保护测控装置在信息方面的主要功能。
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防止人身触电的技术措施有保护接地和保护接零、采用安全电压、装设剩余电流保护器等。
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高压电容器组断电后,若需再次合闸,应在其断电3分钟后进行。
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在中性点非直接接地的电力系统中广泛采用两相不完全星形接线方式来实现相间短路保护。
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如果将电流表并联在线路中测量,则电流表有可能会因过载而被烧坏。
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确定导线截面,须按允许电压损失和发热条件进行校验。
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电网谐波的产生,主要在于电力系统中存在各种线性元件。
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对调压要求高的情况,可选用有载调压变压器,使变压器的电压分接头在带负荷情况下实时调整,以保证电压稳定
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杆塔基础是将杆塔固定于地下,以保证杆塔不发生倾斜或倒塌。
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在测量直流电流时要注意,应使电流从电流表的正端流入,负端流出。
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电磁力的大小与导体所处的磁感应强度,导体在磁场中的长度和通过导体中的电流的乘积成正比。
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磁场中某点的磁感应强度B与磁导率?的比值,称为该点的磁场强度H。
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在磁体外部,磁力线的方向是由N极到达S极。
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电力电缆中,绝缘层是将线芯与大地以及不同相的线芯间在电气上彼此隔离。
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An administrator has enabled vSphere Distributed Switch Health Check. The hosts connected to that Distributed Switch all display an alert:< vSphere Distributed Switch MTU supported status > .The administrator has all of the VMkernel ports MTU sizes set to 1600. Which action will remedy this problem?___
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An administrator sets the Failover Capacity for both CPU and Memory at 25%. Based on the Exhibit below, how much of the cluster’s total CPU resources are still available to power on additional virtual machines?___
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Restoration of the vCenter Server Appliance is accomplished using which interface?___
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When will vSphere Data Protection delete the expired backup image of a Platform Service Controller?___
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【单选题】
Group A has permission to download files in Content Library. Group B does not have permission to download files in Content Library. If a user is a member of both groups, what will be the result?___
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An administrator is trying to set up Host Partial Failure Response, but the Automated option is grayed out. What can the administrator change to enable the Automated option?___
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When you attempt to open a virtual machine console from the vSphere Web Client, the console does not connect. The following error message appears:<HTTP ERROR 404> <Problem accessin/.Reason: Not Found>. Why did not connect?___
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What new feature was introduced to the Content Library in vSphere 6.5?___
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How can an administrator exclude Encryption rights from a support engineer?___
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The administrator must back up a vCenter HA deployment. Which component must be backed up?___
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What is the supported protocol to perform remote L3 traffic monitoring in vSphere 6.5?___
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What are the minimum hardware requirements for a Windows vCenter Server with embedded PSC that manages a “Small” environment?___
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Which port is used for communication between ESXi and vSphere Data protection?___
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What can prevent Storage DRS from functioning on a datastore?___
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When troubleshooting VMware vCenter Server issues, when logging level provides maximum detail?___
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What new feature is introduced in NFS 4.1 on ESXi 6.5?___
A. IPv6
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【单选题】
What configuration option would ensure that a virtual NUMA topology is defined on VMs having more than eight virtual CPUs?___
A. cupid.coresPerSocket
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D. numa.vcpu.min
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What is the minimum disk space required to deploy vSphere Data Protection (VDP) with 8 TB configuration?___
A. 4 TB
B. 16 TB
C. 8 TB
D. 12 TB
【单选题】
What advanced option for vSphere HA defines a maximum number of reset attempts by VMCP for a virtual machine?___
A. das.maxterminates
B. das.isolationshutdowntimeout
C. das.maxresets
D. fdm.isolationpolicydelaysec
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What vSphere technology enables the administrator to ensure consistent configuration at scale?___
A. PowerCLI
B. Host Profiles
C. esxcli
D. vSphere Web Client
【单选题】
Which port is used for vSphere HA agent-to-agent communication?___
A. 443
B. 8182
C. 22
D. 902
【单选题】
Which log file would assist in identifying an issue that occurred during the database export phase of a vCenter Server upgrade process?___
A. vcdb_import.out
B. export.json
C. export-upgrade-runner.log
D. vcdb_export.out
【单选题】
Bidirectional CHAP is support by which storage initiator?___
A. software FCoE HBA
B. Fibre Channel HBA
C. independent hardware iSCSI HBA
D. dependent hardware iSCSI HBA