最新のVMware 2V0-21.20試験問題解答がズラリ
2V0-21.20試験練習テスト問題（更新された110問あります)
VMware 2V0-21.20認定試験は、120分以内に完了する必要がある70の質問で構成される複数選択試験です。試験は英語と日本語で利用でき、オンラインまたはテストセンターで撮影できます。
質問 # 14
An administrator places a 300 GB virtual machine named "Finance1" on a 2 TB datastore containing other virtual machines. After virtual machine placement, the datastore has 200 GB of free space. The accounting department takes a nightly snapshot of Finance1, then deletes the previous snapshot. The administrator is concerned about snapshots filling the datastore.
Which statement is true regarding snapshots? (Choose the best answer.)
- A. Any snapshot on Finance1 has the potential to fill the datastore to capacity.
- B. vCenter Server will not allow snapshots to fill the datastore beyond 95%.
- C. The snapshots on Finance1 cannot outgrow the datastore in less than 24 hours.
- D. The snapshots on Finance1 will be automatically committed if SEsparse format is used.
正解：A
質問 # 15
Which solution can be used to automatically deploy a fully configured VMware software-defined data center (SDDC)?
- A. vSphere Lifecycle Manager
- B. vRealize Suite
- C. VMware Cloud Foundation
- D. vCenter Server
正解：C
質問 # 16
An administrator is troubleshooting a recent failure and finds the following error messages:
Which action has failed, thus resulting in these errors?
- A. Virtual machine snapshot
- B. Virtual machine power off
- C. Virtual machine migration
- D. Virtual machine reconfiguration
正解：A
解説：
https://kb.vmware.com/s/article/2090545
質問 # 17
An administrator wants to be able to log in to the vSphere Client and view the inventories of two vCenter Server instances.
What must the administrator do to meet this requirement? (Choose the best answer.)
- A. Connect each vCenter Server instance to the same vCenter Single Sign-On domain during deployment.
- B. Configure Enhanced Linked Mode on each vCenter Server instance after deployment is complete.
- C. Configure the vCenter Server Management Interface to view both vCenter Server instances.
- D. Connect each vCenter Server instance to the same vCenter Single Sign-On domain using the vSphere Client.
正解：D
質問 # 18
Refer to the exhibit. An administrator is consistently receiving an alarm regarding a CPU performance issue; however, there is NO CPU issue identified.
What can the administrator do to make sure the alarm is triggered when there is an actual CPU performance issue?
- A. Show as Critical' to 'Show as Warning.'
- B. Change 'VM CPU Ready Time' to 'VM Memory Usage.'
- C. Change 'is below' to 'is above.' Change.'
- D. Change 'VM CPU Ready Time' to VM CPU Usage.'
正解：C
質問 # 19
How many vSphere Trust Authority Clusters can a Trusted Cluster reference?
- A. 0
- B. 1
- C. 2
- D. 3
正解：D
解説：
Explanation/Reference:
https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.security.doc/GUID-E4945A3B-BCBE-
42AD-A00F-6A6957217041.html
質問 # 20
An administrator is tasked with upgrading an existing vSphere environment to version 7.0. The current configuration is using an external Platform Services Controller.
Which two statements are true regarding this upgrade? (Choose two.)
- A. The external Platform Services Controller needs to be decommissioned following the deployment of the new vCenter Server Appliance.
- B. The external Platform Services Controller needs to be upgraded after the vCenter Server Appliance.
- C. The external Platform Services Controller backup can be restored to a new embedded vCenter Server Appliance.
- D. The external Platform Services Controller needs to be powered down while a new vCenter Server Appliance is deployed.
- E. The external Platform Services Controller needs to be converged into an embedded vCenter Server Appliance.
正解：A、E
解説：
Explanation
https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vcenter.upgrade.doc/GUID-30485437-B107-42
質問 # 21
In a vSphere High Availability (vSphere HA) cluster, which condition can be detected by datastore heartbeating? (Choose the best answer.)
- A. Datastore All Paths Down (APD) event
- B. Network isolation
- C. Virtual machine (VM) disk failure
- D. Fault tolerance virtual machine (VM) failover
正解：B
質問 # 22
An administrator wants to be able to log in to the vSphere Client and view the inventories of two vCenter Server instances.
What must the administrator do to meet this requirement? (Choose the best answer.)
- A. Connect each vCenter Server instance to the same vCenter Single Sign-On domain during deployment.
- B. Configure Enhanced Linked Mode on each vCenter Server instance after deployment is complete.
- C. Configure the vCenter Server Management Interface to view both vCenter Server instances.
- D. Connect each vCenter Server instance to the same vCenter Single Sign-On domain using the vSphere Client.
正解：A
解説：
Explanation
https://kb.vmware.com/s/article/2034074
You can join vCenter Server instances in Linked Mode only when all of the instances are registered in the same Single Sign-On deployment. This includes Single Sign-On instances installed on different sites. When vCenter Server B on site B is joined to vCenter Server A on site A, the join tool establishes connection both to Single Sign-On A and Single Sign-On B.
質問 # 23
An administrator wants to create a master copy of an existing virtual machine (VM) named "TestApp" and deploy VMs from this master copy whenever a user requests one.
Which method can the administrator use to create a master copy of TestApp? (Choose the best answer.)
- A. Convert a template to a VM
- B. Deploy from an Open Virtual Machine Format (OVF) template
- C. Create a new VM
- D. Clone the VM to a template
正解：B
質問 # 24
Refer to the exhibit.
Which two statements are true regarding the state of the virtual machine (VM) if an administrator clicks the
"Delete All" option? (Choose two.)
- A. The VM state will match Snap-C.
- B. The VM state will match Snap-A.
- C. Snap-A will be intact on the VM.
- D. No snapshots will remain on the VM.
- E. The VM state will match Snap-B
正解：B、E
質問 # 25
An IT department is decommissioning a storage array and tasks an administrator with removing a datastore from ESXi hosts.
What is a prerequisite for unmounting the datastore?
- A. The datastore does NOT contain powered-off virtual machines.
- B. The datastore is NOT being used by vSphere High Availability heartbeating.
- C. The datastore is NOT managed by Storage DRS.
- D. The datastore is NOT referenced by a host profile.
正解：C
解説：
Explanation/Reference:
https://kb.vmware.com/s/article/2004605
質問 # 26
Which virtual disk option allows a virtual machine to consume the minimum storage capacity? (Choose the best answer.)
- A. Eager-zeroed thick-provisioned
- B. Thin-provisioned
- C. Independent persistent
- D. Lazy-zeroed thick-provisioned
正解：B
解説：
https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.storage.doc/GUID-8204A8D7-25B6-4DE2-A227-408C158A31DE.html
質問 # 27
ESXi provides VLAN support by assigning a VLAN ID to which component? (Choose the best answer.)
- A. Virtual standard switch
- B. Port group
- C. Physical network interface card (NIC)
- D. Virtual distributed switch
正解：B
解説：
Reference:
https://geek-university.com/vmware-esxi/configure-vlans/
質問 # 28
An administrator wants to configure vCenter Server High Availability so that each node is located in a different data center.
Which requirement must be met?
- A. A vCenter Server license must be assigned to each node.
- B. Each node must be configured with at least three network adapters.
- C. All nodes must be located on a vSAN datastore in each data center.
- D. Network latency between the nodes must be less than 10 milliseconds.
正解：D
質問 # 29
An administrator wants to implement virtual machine encryption.
Which component encrypts the virtual machine files?
- A. Key management server (KMS)
- B. Data encryption key (DEK)
- C. Certificate
- D. Key encryption key (KEK)
正解：D
解説：
https://docs.vmware.com/en/VMware-vSphere/6.7/com.vmware.vsphere.security.doc/GUID-9035D542-B76B-4244-966D-2A8D92ABF54C.html
質問 # 30
An administrator wants to configure vCenter Server High Availability so that each node is located in a different data center.
Which requirement must be met? (Choose the best answer.)
- A. A vCenter Server license must be assigned to each node.
- B. Each node must be configured with at least three network adapters.
- C. All nodes must be located on a vSAN datastore in each data center.
- D. Network latency between the nodes must be less than 10 milliseconds.
正解：D
解説：
https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.avail.doc/GUID-8FD87389-8CC9-4298-8B08-A1526FB44524.html
質問 # 31
An administrator is unable to manage certificates with the vSphere Client. What is another supported option that can be used to manage certificates?
- A. vCenter Server Management Interface
- B. Cloud Builder
- C. Command Line Interface
- D. vRealize Operations Manager
正解：C
解説：
https://docs.vmware.com/en/VMware-vSphere/6.7/com.vmware.psc.doc/GUID-E0609A99-A8D1-4336-BD3B-DE707E261A63.html
質問 # 32
An administrator wants to ensure that when virtual machines (VMs) are powered on, Distributed Resource Scheduler (DRS) places them on the best-suited host. When the cluster becomes imbalanced, the administrator wants DRS to display recommendations for manual VM migration.
Which DRS automation level should the administrator select? (Choose the best answer.)
- A. Manual
- B. Partially automated
- C. Fully automated
- D. Disabled
正解：A
質問 # 33
An administrator is tasked with upgrading an existing VMware vSphere 6.5 environment to version 7.0. There are existing VMFS3 and VMFS5 datastores in the environment.
Which two statements are true regarding this upgrade? (Choose two.)
- A. An ESXi 7.0 host can automatically upgrade a VMFS5 datastore.
- B. A VMFS3 datastore cannot be upgraded; a new VMFS6 datastore is required.
- C. VMFS3 is no longer supported with ESXi 7.0.
- D. An ESXi 7.0 host will automatically upgrade a VMFS3 datastore when discovered.
- E. VMFS5 is no longer supported with ESXi 7.0.
正解：C、D
解説：
https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.storage.doc/GUID-DAD74662-E09E-44A4-82F1-DB7A3433CEF9.html
質問 # 34
An administrator receives an escalation to investigate a low disk space alarm on a datastore. The administrator discovers that a snapshot has been accidentally taken on a production, write-intensive database server. The snapshot has grown to nearly 1 TB in size in less than an hour and continues growing every second.
Which behavior should the administrator expect while deleting the snapshot? (Choose the best answer.)
- A. ESXi will create a virtual RAM disk to cache ongoing database write activity; performance impact will be limited.
- B. ESXi will commit the snapshot delta disk into the base disk; ongoing database write activity could result in long stun times.
- C. ESXi will instantly switch from the base disk to the snapshot delta disk with no performance impact.
- D. ESXi will merge the snapshot delta disk into the base disk; the virtual machine will be briefly stunned.
正解：A
質問 # 35
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VMware vSphere 7.xは、1つの物理サーバーで複数の仮想マシンを実行できる強力で広く使用されている仮想化プラットフォームです。プラットフォームには、高可用性、リソース管理、セキュリティ、自動化など、幅広い機能と機能があります。VMware vSphere 7.xで認定されたITプロフェッショナルは、これらの機能を強力に理解し、vSphere環境を効果的に管理およびトラブルシューティングできます。
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