【多选题】
A vSphere administrator observes a CPU spike on one of the web servers (view the Exhibit.) Which two statements can describe the cause of this activity? (Choose two.)___
A. The network packet size is too large.
B. VMware Tools is not installed.
C. Disk latency is present on the datastore.
D. The network packet size is too small.
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相关试题
【多选题】
Which three operations can cause VMFS metadata updates? (Choose three.)___
A. Restarting a VM using the guest OS.
B. Launching a VM console.
C. Migrating a VM with vMotion.
D. Powering a VM on or off.
E. Expanding a VMFS datastore.
【多选题】
*What two services run on all nodes in a vCenter Server HA cluster? (Choose two.)___
A. vmware-vmon
B. vmware-vpostgres
C. vmare-rbd-watchdog
D. vmware-vcha
【多选题】
Which two statements are true regarding Auto Deploy in version 6.5? (Choose two.)___
A. Auto Deploy can be configured and managed via PowerCLI.
B. Auto Deploy can be configured and managed via the vSphere Client.
C. Auto
D. eploy can be configured and managed via the vSphere Web Client.
【多选题】
What three options can improve network performance for a virtual machine? (Choose three.)___
A. MLD
B. TSO
C. NetFlow
D. LRO
E. SR-IOV
【多选题】
Which two storage technologies are supported for MSCS? (Choose two.)___
A. NFS
B. VAAI
C. iSCSI
D. FC
【多选题】
When upgrading a VMware vSAN cluster to version 6.5, which two tasks must be completed to comply with upgrade requirements and VMware-recommended best practices? (Choose two.)___
A. Use RVC to upgrade the hosts.
B. Use the latest available ESXi version.
C. Back up all VMs.
D. Use only the “Full data migration” maintenance mode option.
【多选题】
What two enhancements are in VMFS6 but not in VMFS5? (Choose two.)___
A. Support for 4k native disks
B. Support for 512e disks
C. GPT storage device partitioning
D. Automatic space reclamation
【多选题】
Which two statements describe why a vSphere DRS cluster would report load imbalance? (Choose two.)___
A. The configured migration threshold is too high.
B. The configured migration threshold is too low.
C. DRS is configured for Partially Automated.
D. Enhanced vMotion Compatibility (EVC) is enabled.
【多选题】
A vSphere Administrator must ensure that vCenter Server service is running in a domain user account rather than Local System Account. To accomplish this, the user account should have which two permissions? (Choose two.)___
A. Log on as a service.
B. Act as part of the operating system.
C. Log on as a batch job.
D. Log on locally.
【多选题】
A virtual machine fails to power on after being deployed from a template. What two remediation steps could correct this issue? (Choose two.)___
A. Increase CPU reservation
B. Decrease memory reservation
C. Increase memory reservation
D. Increase datastore capacity
E. Decrease CPU reservation
【多选题】
Which three directories are available under the vcsa-cli-installer folder of the vCenter Server Appliance installation media? (Choose three.)___
A. \mac
B. \ovftool
C. \migration-assistant
D. \win32
E. \lin64
【多选题】
What are three considerations when booting ESXihost from SAN software FCoE? (Choose three.)___
A. The VMware_FCoE_vSwitch that the installer automatically created cannot be changed.
B. Boot LUN cannot be shared with other hosts even on shared storage.
C. Multipathing is not supported at pre-boot.
D. Software FCoE boot configuration cannot be changed from within
E. SXi.
【多选题】
Which two choices are applicable to vSphere Availability? (Choose two.)___
A. Heartbeat Datastores
B. VM Startup/Shutdoown
C. Power Management
D. Admission Control
【多选题】
A user is a member of groups A and B. -VM10 and VM20 are in VM Folder. -Group A is assigned permission “Read-only” on VM Folder. What two configurations will allow the user to edit the settings for only VM10? (Choose two.)___
A. Assign group B permission “virtual machine power user” to VM10.
B. Assign group B permission “virtual machine console user” to VM10.
C. Assign group A permission “virtual machine console user” to VM10.
D. Assign group A permission “virtual machine power user” to VM10.
【多选题】
Which two new vSphere 6.5 features enable an Administrator to locate configuration options when creating or editing host profiles more easily than in previous versions? (Choose two.)___
A. Add the configuration option to favorites.
B. Navigate the option tree.
C. Search for the configuration option.
D. Copy the configuration option from a different profile.
【多选题】
What are the two valid storage controller types for VMs on ESXi 6.5? (Choose two.)___
A. FCoE
B. SATA
C. NVMe
D. iSCSI
【多选题】
Which two options can optimize conversion with VMware Converter? (Choose two.)___
A. Disable real-time antivirus scanners.
B. Remove the source from Active Directory.
C. Remove third-party device drivers.
D. Exclude diagnostic partitions from conversion.
E. Disable Volume Shadow Copy (VSS).
【多选题】
vSphere Availability considers which two factors for virtual machine restarts? (Choose two.)___
A. Host Isolation Response
B. file accessibility
C. NUMA node size
D. resource reservations
【多选题】
Which two virtual NICs support Wake-on-Lan to resume a virtual machine that is in standby mode? (Choose two)___
A. Flexible
B. E1000E
C. E1000
D. vmxnet 3
【多选题】
Which two logs should be examined to troubleshoot a Windows vCenter Server upgrade failure? (Choose two.)___
A. vminst.log
B. vim-um-msi.log
C. firstboot.log
D. pkgmgr.log
【多选题】
Which are two supported storage primitives for VAAI NAS? (Choose two.)___
A. Full File Clone
B. Reserve Space
C. hardware assisted locking
D. block zeroing
【多选题】
Which two parameters must be configured for Windows in-guest disk mirroring? (Choose two.)___
A. scsi#.returnNoConnectDuringAPD = “FALSE”
B. scsi#.terminateVMOnPDL = “TRUE”
C. scsi#.returnBusyOnNoConnectStatus = “FALSE”
D. scsi#.returnNoConnectDuringAPD = “TRUE”
【多选题】
Which two items are required to enable NPIV in a virtual machine? (Choose two.)___
A. use of physical RDMs
B. physical HBA support
C. use of virtual disks
D. hardware version 11 or higher
【多选题】
A vSphere Administrator has VM Component Protection (VMCP) enabled, but the VM was not restarted when one of the VMFS datastores experienced an All Paths Down (APD) failure. What two scenarios would explain why the virtual machine was not restarted? (Choose two.)___
A. VM Monitoring is required in order for VMCP to failover during an APD event.
B. VMware Tools is not installed on the guest operating system for the VM.
C. Insufficient Capacity is available on the failover ESXi hosts.
D. The APD failure was corrected before the VM could be restarted.
【多选题】
What are two requirements in order to restore a Resource Pool Tree from a snapshot? (Choose two.)___
A. vSphere DRS must be turned on.
B. A restore can only be performed on a vSphere DRS cluster within the original vCenter Server.
C. vSphere
D. RS must be turned off.
【多选题】
Which three vSphere features are compatible with vSphere Replication? (Choose three.)___
A. vSphere High Availability
B. vSphere Fault Tolerance
C. vSphere Storage
D. RS
【多选题】
What two VMware Remote Console Options can be defined in the virtual machine settings? (Choose two.)___
A. Boot Delay
B. Maximum number of sessions
C. Guest OS lock
D. Total video memory
【多选题】
VMware Converter can import a powered off virtual machine from which two virtual machine platforms?(Choose two.)___
A. Microsoft Hyper-V
B. Citrix Xen
C. VMware Workstation
D. Linux with KVM
【多选题】
Which two options allow storage space reclamation? (Choose two.)___
A. Use VMFS6 datastores.
B. Use esxcli storage vmfs unmap.
C. Use the SAN console (management tool).
D. Use the vSphere Web Client.
【多选题】
An administrator must reprovision 25 hosts with a new image profile that he has created. Which two methods can the administrator use to change the image profile? (Choose two.)___
A. From the vSphere Web client home page, select the Deploy Rules tab in the Auto Deploy section.
B. Run the Copy-Deploy Rule and specify the Replace Item parameter with Power CLI.
C. From the vSphere Web client home page, select the Assign Rules tab in the Auto
D. eploy section.
【多选题】
What are three parameters for traffic filtering or marking? (Choose three.)___
A. Protocol
B. Traffic Direction
C. DSCP value
D. virtual Port ID
【多选题】
The vSphere administrator must change the path selection policy (PSP) to comply with best practices. Which two interfaces can be used to change the PSP? (Choose two.)___
A. ESXi shell
B. vSphere Client
C. ESXi host client
D. vSphere Web Client
【多选题】
In what two ways can Storage DRS load balance virtual machines? (Choose two.)___
A. anti-affinity rules
B. virtual storage controller
C. guest OS family
D. I/O latency
【多选题】
What two reasons can explain why a host cannot be removed from a vSphere Distributed Switch? (Choose two.)___
A. There are virtual machine network adapters connected to the switch.
B. There are blocked ports on the switch.
C. There are LACP LAGs configured on the switch.
D. There are VMkernel network adapters connected to the switch.
【多选题】
Which three requirements are true for the vCenter Server HA network? (Choose three.)___
A. Network latency between all nodes must be less than 10 milliseconds.
B. IP addresses for all nodes must be static.
C. HA network IP addresses for all nodes can be on different subnets.
D. IP addresses must be on the same network as the management network.
E. A default gateway must be configured.
【多选题】
Which two statements correctly describe Normal Lockdown Mode? (Choose two.)___
A. ESXi Shell and SSH services are independent of lockdown mode.
B. In normal lockdown mode the DCUI service is stopped.
C. ESXi Shell and SSH services are dependent of lockdown mode and cannot be configured.
D. In normal lockdown mode the DCUI service is running.
【多选题】
The Health check feature in the vSphere Distributed Switch helps troubleshoot network connectivity. What three checks does this feature perform? (Choose three.)___
A. Network Utilization
B. MTU
C. Teaming and Failover
D. VLAN
【多选题】
What are the three types of nodes in a vCenterServer HA cluster? (Choose three.)___
A. Master
B. Replica
C. Witness
D. Active
E. Passive
【多选题】
What are two consequences of turning off vSphere DRS on a cluster? (Choose two.)___
A. vMotion capability will be lost.
B. Resource pools will be lost.
C. vApps will be lost.
D. Affinity rules will be lost.
【多选题】
Which two protocols can be used to back up vCenter Server Appliance Instance? (Choose two.)___
A. iSCSI
B. HTTPS
C. FTP
D. NFS
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【填空题】
变压器分级绝缘是指变压器绕组靠近___部分的主绝缘，其绝缘水平低于___部分的主绝缘。
【填空题】
主变压器额定电压___，额定电流___。
【填空题】
变压器绝缘电阻不合格时，应查明原因，并用___法或___法以判断变压器绕组受潮的程度。
【填空题】
变压器的___、___保护不得同时停用。
【填空题】
运行中的高频保护不允许单独一侧将其保护的___断开。
【填空题】
现场处理呼吸器畅通工作或更换硅胶时，变压器重瓦斯保护应由___位置改为___位置运行，工作完毕后,经___试运行后,方可将重瓦斯投入___。
【填空题】
变压器如因大量漏油而使油位迅速下降时，禁止将瓦斯保护改为只动作于___，而必须迅速采取___措施。
【填空题】
瓦斯保护能反映变压器油箱内的各种故障，它分为动作于跳闸的___保护，动作于信号的___保护。
【填空题】
主变压器正常运行时，冷却器___号投工作位，___号投辅助位，___号投备用位。
【填空题】
剧冷剧热天气，应着重检查变压器___、___的变化情况，冷却装置的___情况。
【填空题】
变压器内部着火时，必须立即把变压器从各侧___断开，变压器有爆炸危险时，应立即将___放掉。
【填空题】
发电机在并网前，主变压器的中性点接地刀闸合不上，为了按时并网，可以在中性点处___。
【填空题】
影响变压器温度变化的原因主要有：___、___及变压器冷却装置的___等。
【填空题】
变压器运行中出现假油位的原因主要有：___堵塞、___堵塞、___堵塞等。
【填空题】
如果变压器上层油温较平时高出10℃以上，或负荷不变油温不断上升，首先检查是否测温计___，如果不是测温计出问题，就是变压器内部发生故障，此时应立即将变压器___。
【填空题】
在本设备及所属系统___情况下，可以拉合变压器中性点接地刀闸。
【填空题】
变压器温度计所指温度是变压器___油温。
【填空题】
变压器呼吸器中的硅胶，正常未吸潮时颜色为___。
【填空题】
对于干式变压器绝缘电阻值规定，高压-低压，高压-地应使用___摇表，其值大于 ___兆欧。
【填空题】
当运行中发现变压器充油套管油位很低或看不到油位，应___加油。
【填空题】
由于检修等原因而将瓦斯保护由跳闸改接信号的工作，在工作结束经___h 后检查瓦斯继电器内无气体时方可将瓦斯保护投入跳闸，若有气体应放出去，并每隔 8h 检查一次，直至连续___h 无气体时再投跳闸。
【填空题】
启备变正常运行时有载调压装置瓦斯保护应___。
【填空题】
高厂变正常运行时，冷却器___号投工作位，___号投辅助位，___号投备用位。
【填空题】
6KV 电动机测量绝缘应使用___伏的摇表测量，测得的绝缘电阻应大于___MΩ。
【填空题】
在正常情况下鼠笼式转子的电动机允许在冷态下启动___次，且每次时间间隔不小于___分钟，允许在热态时启动___次，只有在事故处理或起动时间不超过2～3秒的电动机可以多启动一次。
【填空题】
电动机可以在额定电压下，电源频率___变化内运行，其额定出力不变。
【填空题】
380V 以下交、直流低压厂用电动机用___V 摇表测量绝缘电阻。电动机的绝缘电阻值不得低于___MΩ。
【填空题】
感应电动机因某些原因，如所在系统短路、换接到备用电源等，造成外加电压短时___或___，致使转速降低，而当电压恢复后转速又恢复正常，这就叫电动机的自起动。
【填空题】
当电动机供电母线电压短时降低或短时中断时，为了防止电动机自起动时使电源电压严重降低，通常在次要电动机上装设低电压保护，当供电母线电压低到一定值时，___动作将次要电动机切除，使供电母线电压迅速恢复到足够的电压，以保证重要电动机的___。
【填空题】
异步电动机的转速，总要___定于旋转磁场的转速。
【填空题】
电动机在运行时有两个主要力矩：使电动机转动的___力矩；由电动机带动的机械负载产生的___矩。
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备用中的电动机温度低，容易吸收空气中的___而受潮，为了在紧急情况下，能投入正常运转，要求定期测量绕组的___。
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异步电动机启动电流过大，可能造成厂用系统电压___，不但使该电动机___，而且厂用母线上所带的其他电动机，因电压过低而___。
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电动机运行中发生鼠笼转子断条，将表计上的反映是___。
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一台三角形接线的电动机，被误接成星形，如果还带原来的机械负载，则转速将___。
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电动机开关合上后电动机不转或启动电流不返回，应立即___电动机运行。
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6KV 开关柜均设有“五防”机械闭锁装置，一般采用强制机械闭锁装置的闭锁功能是小车开关在合闸状态时不能___、接地刀闸在合闸状态时，小车开关不能推入___位置、开关在工作位置时，不能___接地刀闸、接地刀闸不合，不能打开开关柜___。
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所有隔离开关合上后，必须检查___接触良好。
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合上接地刀闸前，必须确知有关各侧电源开关在___位置，并在验明___后进行。
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如发生带负荷拉刀闸时，在未断弧前应迅速___，如已断弧则严禁重新合上。如发生带负荷合闸，则严禁重新___。
