VMware 3V0-21.21 Exam Practice Questions (P. 4)
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Question #16
The Chief Information Security Officer (CISO) for an organization is concerned about the security posture of the operating system images that are used for the provisioning of their Software-as-a-Service (SaaS) applications. The organization is in a growth period. The organization is opening a new data center to launch its next phase of new SaaS-based solutions.
The DevOps team currently creates encrypted virtual machine (VM) templates that are used for various operating systems and adds these to the vSphere inventory. The DevOps team already uses a published content library and has been granted a role with the ability to add and delete library items.
The following requirements have been noted:
✑ Impacts to the DevOps team's operational processes must be kept to a minimum.
✑ The DevOps team must be able to regularly check out a copy of the image for updates and check in a new version of the image.
✑ Images must be synchronized from the primary data center to the new data center.
Which three recommendations should the architect make to design a content library solution that will meet these requirements? (Choose three.)
The DevOps team currently creates encrypted virtual machine (VM) templates that are used for various operating systems and adds these to the vSphere inventory. The DevOps team already uses a published content library and has been granted a role with the ability to add and delete library items.
The following requirements have been noted:
✑ Impacts to the DevOps team's operational processes must be kept to a minimum.
✑ The DevOps team must be able to regularly check out a copy of the image for updates and check in a new version of the image.
✑ Images must be synchronized from the primary data center to the new data center.
Which three recommendations should the architect make to design a content library solution that will meet these requirements? (Choose three.)
- AClone virtual machines as VM templates to the published content libraryMost Voted
- BCreate a subscribed library from the published library and synchronize Open Virtualization Format (OVF) templates on-demand
- CCreate a subscription and publish VM templates to a subscribed content libraryMost Voted
- DCreate a subscribed library from the published library and synchronize Open Virtualization Format (OVF) templates automatically
- EClone virtual machines as Open Virtualization Format (OVF) templates to the published content library
- FUpdate the role for the DevOps team with new privilegesMost Voted
Correct Answer:
BEF
BEF

Given the organization's requirements to minimize impact on the DevOps team and provide synchronization capabilities between data centers, it’s crucial to focus on enabling efficient collaboration and content updates. Updating the DevOps team's role with necessary new privileges is essential to facilitate this seamless operation. Additionally, while VM templates are the primary content form that allows check-out and check-in operations, ensuring that these templates can be effectively cloned and managed within the content library system aligns with both operational agility and security objectives. Thus, revisiting the provided options to reflect this understanding could be beneficial.
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Question #17
An architect is tasked with planning the design of a new vSphere environment. When commissioned, this environment will be used to migrate an existing set of virtual machines.
An inventory of the existing infrastructure, including configured vCPU, RAM and storage sizes has been provided.
In order for each virtual machine to be migrated, which two data sources with peak and average utilization data are required for sizing? (Choose two.)
An inventory of the existing infrastructure, including configured vCPU, RAM and storage sizes has been provided.
In order for each virtual machine to be migrated, which two data sources with peak and average utilization data are required for sizing? (Choose two.)
- A%Ready
- BDisk Write latency
- CCPUMost Voted
- DBallooned memory
- EIOPSMost Voted
Correct Answer:
BE
BE

Disk Write Latency and IOPS are crucial metrics for evaluating peak and average storage performance, directly impacting your virtual environment's design. Particularly, IOPS provides insights into the input/output operations per second, while Disk Write Latency offers critical data on the delays in writing data to the disk. These elements help in assessing the storage capabilities required to support the migrated VMs efficiently, ensuring the new environment is tailored to the workloads' specific needs, avoiding bottlenecks and maximizing performance when dealing with storage-intensive applications.
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Question #18
Which design decision must be included in a design to allow for the deployment of a minimum supported configuration of vCenter High Availability (HA)?
- AA new subnet will be provisioned for vCenter HA servicesMost Voted
- BA vSphere cluster will consist of more than three nodes
- CThe deployed vCenter Server will be Tiny
- DThe vCenter HA network will support a latency of less than 50 ms
Correct Answer:
A
Reference:
https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.avail.doc/GUID-8FD87389-8CC9-4298-8B08-A1526FB44524.html
A
Reference:
https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.avail.doc/GUID-8FD87389-8CC9-4298-8B08-A1526FB44524.html

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Question #19
Refer to the exhibit.
During a requirements gathering workshop, the customer shares the following about their existing ESXi host virtual networking infrastructure:

The customer confirms that:
✑ Each ESXi host has approximately 200 virtual machines.
✑ They want to maximize the number of concurrent virtual machine migrations.
✑ When placing a host in maintenance mode, it takes a long time to evacuate the virtual machines.
Which two recommendations should the architect make in order to help the customer overcome their challenge? (Choose two.)
During a requirements gathering workshop, the customer shares the following about their existing ESXi host virtual networking infrastructure:

The customer confirms that:
✑ Each ESXi host has approximately 200 virtual machines.
✑ They want to maximize the number of concurrent virtual machine migrations.
✑ When placing a host in maintenance mode, it takes a long time to evacuate the virtual machines.
Which two recommendations should the architect make in order to help the customer overcome their challenge? (Choose two.)
- AConfigure the network to use MTU for the VMotion VMKernel to 1,600 bytes
- BConfigure the network to use MTU for the VMotion VMKernel to 9,000 bytesMost Voted
- CCreate an additional standard switch with pNIC3 to use for vMotion
- DUse the 3 pNICs and bundle them in a link aggregation group (LAG) configuration
- EUse 10 GbE NICs instead of 1 GbEMost Voted
Correct Answer:
BE
Reference:
https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.vcenterhost.doc/GUID-7DAD15D4-7F41-4913-9F16-567289E22977.html https://fasterdata.es.net/network-tuning/mtu-issues/debugging-mtu-problems/#:~:text=A%20jumbo%20frame%20is%20an,as%20large%20as%209%2C000%
20bytes.
BE
Reference:
https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.vcenterhost.doc/GUID-7DAD15D4-7F41-4913-9F16-567289E22977.html https://fasterdata.es.net/network-tuning/mtu-issues/debugging-mtu-problems/#:~:text=A%20jumbo%20frame%20is%20an,as%20large%20as%209%2C000%
20bytes.
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Question #20
An architect is designing a VMware solution for a customer based on the following information:
✑ The solution must use investments in existing storage array that supports both block and file storage.
✑ The solution must support the ability to migrate workloads between hosts within a cluster.
✑ The solution must support resource management priorities.
✑ The solution must support the ability to connect virtual machines directly to LUNs.
✑ The solution should use existing IPv4 based network infrastructure.
✑ There is no budget for additional physical hardware.
Which two design decisions could the architect make to meet these requirements? (Choose two.)
✑ The solution must use investments in existing storage array that supports both block and file storage.
✑ The solution must support the ability to migrate workloads between hosts within a cluster.
✑ The solution must support resource management priorities.
✑ The solution must support the ability to connect virtual machines directly to LUNs.
✑ The solution should use existing IPv4 based network infrastructure.
✑ There is no budget for additional physical hardware.
Which two design decisions could the architect make to meet these requirements? (Choose two.)
- AThe ESXi hosts will leverage Fibre Channel (FC)
- BThe ESXi hosts will leverage NFS 3Most Voted
- CThe ESXi hosts will leverage Fibre Channel over Ethernet (FCoE)
- DThe ESXi hosts will leverage iSCSIMost Voted
- EThe ESXi hosts will leverage NFS 4.1
Correct Answer:
DE
DE

Good call! The correct choices indeed are iSCSI and NFS 4.1, not NFS 3 as suggested by some. iSCSI allows virtual machines direct access to LUNs, supporting both block storage requirements and existing IPv4 infrastructure. NFS 4.1, despite some beliefs, does support Storage IO Control necessary for effectively managing resource priorities in a shared environment. Always double-check the latest VMware documentation for feature support and compatibility to ensure accurate design implementations!
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