VMware 2V0-21.20 Exam Practice Questions (P. 5)
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Question #21
An administrator is running a variety of vSphere 6.5 cluster configurations and is tasked with upgrading to vSphere 7.0.
Which two conditions could cause potential conflicts or outages to the virtual machines (VMs)? (Choose two.)
Which two conditions could cause potential conflicts or outages to the virtual machines (VMs)? (Choose two.)
- AThe use of a Windows vCenter Server system
- BDatastores attached to the hosts based on VMFS3
- CThe upgrade of a vSphere Distributed Switch with VMs attached
- DThe upgrade of an external platform services controller
- EThe use of third-party custom vSphere Installation Bundles (VIBs) installed on the ESXi hosts
Correct Answer:
CE
CE
GPT-4o - Answer
Upgrading to vSphere 7.0 requires careful planning, especially concerning distributed switches and third-party VIBs. The upgrade of a vSphere Distributed Switch is known to cause temporary network disruptions affecting VM connectivity. Furthermore, third-party VIBs, if outdated or incompatible with the new vSphere version, can introduce instabilities or incompatibilities leading to potential host or VM failures. It's crucial to verify the compatibility of these components and plan for possible downtime or maintenance windows to mitigate the impact on virtual machine operations. These considerations are essential for a smooth transition and stable post-upgrade environment.
Question #23
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?
When the cluster becomes imbalanced, the administrator wants DRS to display recommendations for manual VM migration.
Which DRS automation level should the administrator select?
- AManual
- BPartially automated
- CFully automated
- DDisabled
Correct Answer:
B
B
GPT-4o - Answer
The optimum choice for an administrator looking to ensure VMs are properly placed while still controlling migrations manually is the 'Partially automated' DRS automation level. This setting automatically places VMs on the best-suited host when they're powered on. However, for any load-balancing adjustments that become necessary later, it only suggests manual migrations, rather than executing them automatically. This blend of automation and control ensures efficient initial placement and allows precise manual oversight subsequently.
Question #25
Which feature is a pre-requisite for configuring admission control on a cluster?
- AvSphere Enhanced vMotion Compatibility (EVC)
- BvSphere High Availability (HA)
- CvSphere Fault Tolerance
- DvSphere Distributed Resource Scheduler (DRS)
Correct Answer:
B
B
GPT-4o - Answer
Absolutely, vSphere High Availability (HA) is essential for setting up admission control in a cluster. Without enabling HA, the controls and configurations associated with admission control simply aren't available to tweak. It's all about ensuring that resources are effectively managed and maintained in times of server failure, keeping your services running smoothly. So yeah, keep this in mind when configuring your clusters for high reliability.
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