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90、An administrator has a requirement to revert a running virtual machine to a previous snapshot after a failed attempt to upgrade an application. When the administrator originally took the snapshot the following choices in the Take Snapshot dialog were made:Snapshot the virtual machine’s memory = falseQuiesce guest file system = falseWhat will be the result of the administrator selecting the ‘Revert to Latest Snapshot?option to return the virtual machine to a previous snapshot?

A、　The virtual machine will be restored to the parent snapshot in a powered on state

B、　The virtual machine will be restored to the parent snapshot in a powered off state.

C、　The virtual machine will be restored to the child snapshot in a powered off state

D、　The virtual machine will be restored to the child snapshot in a powered on state

答案：B

解析：解析:Powered on (does not include memory) Reverts to the parent snapshot and the virtual machine is powered off. Powered off (does not include memory) Reverts to the parent snapshot and the virtual machine is powered off.启动(不包括内存)恢复到父快照，虚拟机关闭。关闭(不包括内存)恢复到父快照，虚拟机关闭。

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95、A group of new virtual machines have been deployed using thin-provisioned disks due to the limited storage space available in an environment. The storage team has expressed concern about extensive use of this type of provisioning.
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5、An administrator is asked to segregate virtual machine (VM) traffic by VLAN on a vSphere standard switch The following requirements must be met: •VLAN ID on the switch port group must be 4095. •VLAN tagging must be done at the VM level.Which tagging mode is required?
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35、An administrator needs better performance and near-zero CPU utilization from the ESXI hosts for networking functions and processing. The administrator creates a new vSphere Distributed Switch and enables network offloads compatibility.Which solution would help achieve this goal?
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80、An administrator needs to perform maintenance on a datastore that Is running the vSphere Cluster Services (vCLS) virtual machines (VMs). Which feature can the administrator use in this scenario to avoid the use of Storage vMotion on the vCLS VMs?
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100、An administrator notices a Fibre Channel adapter in an ESXi host has been experiencing inconsistent connectivity states Which trigger can be used to quickly identify the issue and alert the administrator so that the issue can be resolved?
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53、An administrator runs a two-node vSphere cluster， which contains two domain controller virtual machines (VMs). The administrator wants to ensure that VMs run on separate hosts without interfering with normal maintenance operations. How should the administrator configure Distributed Resource Scheduler (DRS)?
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32、Which feature would allow for the non-disruptive migration of a virtual machine between two clusters in a single VMware vCenter instance?
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63、An administrator is working with VMware Support and Is asked to provide log bundles for the ESXI hosts in an environment.three options Joes the administrator have? (Choose three)
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36、An administrator has configured Storage I/O Control (SIOC) on a Virtual Machine File System (VMFS) datastore. •The datastore supports 30，000 IOPS •Storage I/O Control has been set to manual •Storage I/O Control is triggered when latency hits 30 ms •The datastore contains 3 virtual machines (VMs) •A gold tier VM •A silver tier VM •A bronze tier VM Assuming the datastore latency does not exceed 29ms， what is the maximum number of IOPS the bronze tier VM is entitled to?
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84、An administrator has Windows virtual machines (VMs) and VMware Tools is installed in each VM. The administrator performs a status check of VMware Tools using vSphere Lifecycle Manager.What is the VMware Tools status for the Windows VMs if the version of VMware Tools has a known problem and must be immediately upgraded?
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英文知识复习题库

90、An administrator has a requirement to revert a running virtual machine to a previous snapshot after a failed attempt to upgrade an application. When the administrator originally took the snapshot the following choices in the Take Snapshot dialog were made:Snapshot the virtual machine’s memory = falseQuiesce guest file system = falseWhat will be the result of the administrator selecting the ‘Revert to Latest Snapshot?option to return the virtual machine to a previous snapshot?

A、　The virtual machine will be restored to the parent snapshot in a powered on state

B、　The virtual machine will be restored to the parent snapshot in a powered off state.

C、　The virtual machine will be restored to the child snapshot in a powered off state

D、　The virtual machine will be restored to the child snapshot in a powered on state

答案：B

解析：解析:Powered on (does not include memory) Reverts to the parent snapshot and the virtual machine is powered off. Powered off (does not include memory) Reverts to the parent snapshot and the virtual machine is powered off.启动(不包括内存)恢复到父快照，虚拟机关闭。关闭(不包括内存)恢复到父快照，虚拟机关闭。

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相关题目
95、A group of new virtual machines have been deployed using thin-provisioned disks due to the limited storage space available in an environment. The storage team has expressed concern about extensive use of this type of provisioning.

A. 　Datastore

B. 　Data center

C. 　Datastore cluster

D. 　Virtual machine

解析：解析: To create a custom alarm to notify when thin provisioning reaches a certain capacity threshold， the administrator must define this alarm at the datastore level， as it is related to datastore usage要创建自定义警报以在精简资源调配达到特定容量阈值时发出通知，管理员必须在数据存储区级别定义此警报，因为它与数据存储区使用情况相关

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5、An administrator is asked to segregate virtual machine (VM) traffic by VLAN on a vSphere standard switch The following requirements must be met: •VLAN ID on the switch port group must be 4095. •VLAN tagging must be done at the VM level.Which tagging mode is required?

A. 　External Switch Tagging (EST)

B. 　None

C. 　Virtual Guest Tagging (VGT)

D. 　Virtual Switch Tagging (VST)

E.

F.

G.

H.

I.

J.

解析：解析:The tagging mode that is required is Virtual Guest Tagging (VGT)， which allows VLAN tagging to be done at the VM level. VGT requires that the VLAN ID on the switch port group be set to 4095， which is a special value that indicates that packets from all VLANs are allowed to pass through. References:所需的标记模式是虚拟来宾标记(VGT)，它允许在虚拟机级别完成VLAN标记。VGT要求交换机端口组上的VLAN ID设置为4095，这是一个特殊值，表示允许来自所有VLAN的数据包通过。

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35、An administrator needs better performance and near-zero CPU utilization from the ESXI hosts for networking functions and processing. The administrator creates a new vSphere Distributed Switch and enables network offloads compatibility.Which solution would help achieve this goal?

A. 　VSphere Distributed Services Engine

B. 　Data Processing Units (DPUs)

C. 　vSphere Network I/O Control

D. 　Universal Passthrough version 2

解析：解析: The solution that would help achieve better performance and near-zero CPU utilization from the ESXi hosts for networking functions and processing is Data Processing Units (DPUs)， which are specialized processors that offload network services from the CPU and provide hardware acceleration.数据处理单元(dpu)是一种专门的处理器，可以从ESXi主机上获得更好的性能，并使网络功能和处理的CPU利用率接近于零，这种处理器可以从CPU上卸载网络服务，并提供硬件加速。

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80、An administrator needs to perform maintenance on a datastore that Is running the vSphere Cluster Services (vCLS) virtual machines (VMs). Which feature can the administrator use in this scenario to avoid the use of Storage vMotion on the vCLS VMs?

A. 　vSphere Distributed Resource Scheduler (DRS)

B. 　vSphere vMotion

C. 　vSphere Faull Tolerance

D. 　vCLS Retreat Mode

E.

F.

G.

H.

I.

J.

解析：解析: The feature that can be used to avoid the use of Storage vMotion on the vCLS VMs when performing maintenance on a datastore is vCLS Retreat Mode， which allows temporarily removing the vCLS VMs from the cluster without affecting the cluster services.在数据存储上执行维护时，可用于避免在vCLS虚拟机上使用Storage vMotion的功能是vCLS撤退模式，该模式允许临时从群集中删除vCLS虚拟机，而不会影响群集服务

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100、An administrator notices a Fibre Channel adapter in an ESXi host has been experiencing inconsistent connectivity states Which trigger can be used to quickly identify the issue and alert the administrator so that the issue can be resolved?

A. 　Host Connection Lost

B. 　Lost Network Path Redundancy

C. 　Lost Network Connectivity

D. 　Lost Storage Connectivity

解析：解析: Complicated， the question does not comment on whether the path is redundant， if not redundant the correct answer would be D， but if we take into account good practices， the FC would be redundant. 这个问题很复杂，没有评论路径是否冗余，如果不冗余，正确答案应该是D，但是如果我们考虑好的实践，FC将是冗余的。Book course: 6-23 Fibre Channel SAN Components Using SAN switches， you can set up path redundancy to address any path failures from host server to switch， or from storage array to switch. 6-25 Multipathing with Fibre Channel By default， ESXi hosts use only one path from a host to a given LUN at any one time. If the path actively being used by the ESXi host fails， the server selects another available path.书籍课程:6-23光纤通道SAN组件使用SAN交换机，您可以设置路径冗余来解决从主机服务器到交换机或从存储阵列到交换机的任何路径故障。6-25光纤通道多路径默认情况下，ESXi主机在任何时候都只使用一条从主机到给定LUN的路径。如果ESXi主机当前使用的路径出现故障，服务器会选择另一条可用路径。

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53、An administrator runs a two-node vSphere cluster， which contains two domain controller virtual machines (VMs). The administrator wants to ensure that VMs run on separate hosts without interfering with normal maintenance operations. How should the administrator configure Distributed Resource Scheduler (DRS)?

A. 　Create a ＇Must run Virtual Machines to Hosts＇ anti-affinity rule.

B. 　Create a ＇Virtual Machines to Virtual Machines＇ anti-affinity rule.

C. 　Create a ＇Virtual Machines to Virtual Machines＇ dependency rule.

D. 　Create a ＇Should run Virtual Machines to Hosts＇ anti-affinity rule.

E.

F.

G.

H.

I.

J.

解析：

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32、Which feature would allow for the non-disruptive migration of a virtual machine between two clusters in a single VMware vCenter instance?

A. 　vSphere vMotion

B. 　Cross vCenter Migration

C. 　vSphere Storage vMotion

D. 　vSphere Fault Tolerance

解析：解析:vSphere vMotion allows for the non-disruptive migration of a virtual machine between two clusters in a single vCenter instance， as long as there is shared storage and network connectivity between the clusters.vMotion is used to move the VM to a different cluster within the same vCenter. This only works if both clusters share the same storage. If they don＇t you also need to perform a Storage vMotion. Cross vCenter Migration is only used to migrate to a different vCenter.只要群集之间存在共享存储和网络连接，vSphere vMotion就可以在单个vCenter实例中的两个群集之间无中断地迁移虚拟机。vMotion用于将虚拟机移动到同一vCenter内的不同群集。这只有在两个群集共享相同存储时才有效。如果没有，您还需要执行Storage vMotion。跨vCenter迁移仅用于迁移到不同的vCenter。

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63、An administrator is working with VMware Support and Is asked to provide log bundles for the ESXI hosts in an environment.three options Joes the administrator have? (Choose three)

A. 　Generate a combined log bundle for all ESXI hosts using the vCenter Management Interface

B. 　Generate a separate log bundle for each ESXI host using the vSphere Host Client.

C. 　Generate a combined log bundle for all ESXI hosts using the vSphere Client.

D. 　Generate a separate log bundle for each ESXI host using the vSphere Client.

E. 　Generate a separate log bundle for each ESXI host using the vCenter Management Interface.

F. 　Generate a combined log bundle for all ESXi hosts using the vSphere Host Client.

G.

H.

I.

J.

解析：解释选项B、C和D是正确的，因为它们是为使用不同接口的单个或多个ESXi主机生成日志包的有效方法。选项A和E不正确，因为它们不是使用vCenter管理界面为所有ESXi主机生成日志包的可能选项。选项F不正确，因为不可能使用vSphere Host Client为所有ESXi主机生成组合日志捆绑包。

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36、An administrator has configured Storage I/O Control (SIOC) on a Virtual Machine File System (VMFS) datastore. •The datastore supports 30，000 IOPS •Storage I/O Control has been set to manual •Storage I/O Control is triggered when latency hits 30 ms •The datastore contains 3 virtual machines (VMs) •A gold tier VM •A silver tier VM •A bronze tier VM Assuming the datastore latency does not exceed 29ms， what is the maximum number of IOPS the bronze tier VM is entitled to?

A. 30000

B. 20000

C. 10

D. 5000

E.

F.

G.

H.

I.

J.

解析：解析: The bronze tier VM is entitled to 30，000 IOPS， which is the maximum number of IOPS that the datastore supports. Storage I/O Control (SIOC) does not limit the IOPS of any VM unless the datastore latency exceeds the threshold， which is 30 ms in this case. Therefore， as long as the datastore latency is below 29 ms， the bronze tier VM can use up to 30，000 IOPS.解释青铜级虚拟机有权获得30，000 IOPS，这是数据存储区支持的最大IOPS数量。存储I/O控制(SIOC)不会限制任何虚拟机的IOPS，除非数据存储延迟超过阈值，在本例中为30毫秒。因此，只要数据存储延迟低于29毫秒，青铜级虚拟机就可以使用多达30，000 IOPS。

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84、An administrator has Windows virtual machines (VMs) and VMware Tools is installed in each VM. The administrator performs a status check of VMware Tools using vSphere Lifecycle Manager.What is the VMware Tools status for the Windows VMs if the version of VMware Tools has a known problem and must be immediately upgraded?

A. 　Version Unsupported

B. 　Guest Managed

C. 　Unknown

D. 　Upgrade Available

E.

F.

G.

H.

I.

J.

解析：解析: If VMware Tools has a known problem， the tools status will be Version Unsupported如果VMware Tools存在已知问题，工具状态将是版本不受支持

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