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3V0-21.21 : Advanced Design VMware vSphere 7.x Exam

Vmware 3V0-21.21 Questions & Answers

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3V0-21.21


Advanced Design VMware vSphere 7.x


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Question: 100


A Cloud Service Provider wants to introduce backup as a service for a customer’s vSphere-based virtual machines. The following information is noted:

They have a single four-port (2 × 10 GbE and 2 × 1 GbE) NIC per ESXi host All top-of-rack (ToR) switches are 10 GbE and fully populated

The backup traffic must not impact existing services


Which two recommendations should the architect make to help the customer incorporate the service? (Choose two.)

  1. Enable and tag traffic on the backup distributed port group

  2. Add a new two-port 10 GbE NIC per ESXi host

  3. Replace the existing NIC with a two-port 25 GbE NIC per ESXi host

  4. Match the Class of Service (CoS) and Differentiated Services Code Point (DSCP) values to the physical network

  5. Create a new virtual switch using the 1 GbE uplinks


Answer: A,B


Question: 101


A customer requests a review of its current vSphere platform design. The following information is noted:

There are three different workload profiles for the virtual machines:


[email protected]


Tier-1, Tier-2 and Tier-3 virtual machines are all hosted on a single large vSphere cluster.


The Chief Information Security Officer (CISO) has raised concerns that hosting externally facing applications alongside management tools does not meet internal compliance standards.


The Operations team has raised concerns about Tier-1 virtual machines negatively impacting the performance of vCenter Server.

The Operations lead has stated that management changes have consistently been rejected by application teams. As a result of the review, which recommendation should the architect make regarding the design of this platform?

  1. Separate Tier-1, Tier-2 and Tier-3 virtual machines using dedicated distributed virtual switches (DVS)

  2. Separate Tier-2 virtual machines onto a dedicated cluster

  3. Separate Tier-1, Tier-2 and Tier-3 virtual machines onto dedicated clusters

  4. Separate Tier-1, Tier-2 and Tier-3 virtual machines using resource pools and shares


Answer: D

Question: 102


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.)

  1. %Ready

  2. Disk Write latency

  3. CPU

  4. Ballooned memory

  5. IOPS


Answer: B,E


Question: 103


An architect will be taking over control of a former Linux server fleet and repurposing the hardware into a new vSphere cluster. The current environment is already connected to the network but the hosts do not have any local disks. Since the fleet hardware is uniform, the architect can use a single ESXi image. All hosts within the cluster have the same CPU and memory capacity.


Which ESXi deployment method should the architect use?

  1. Stateless cached vSphere Auto Deploy

  2. Stateless vSphere Auto Deploy

  3. Manual install of each ESXi host with an image from USB

  4. Stateful vSphere Auto Deploy


Answer: A Explanation:

Reference: https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.esxi.install.doc/GUID-0813B4BE- 485D- 4129-902B-49AA42EBF54E.html


Question: 104


An architect is considering placement of virtual machines within an existing VMware software-defined data center (SDDC).


During the discovery phase, the following information is documented: Cluster One

Six ESXi hosts


vSphere HA with host failures cluster tolerates = 1

Proactive HA is enabled and set to automated Fully Automated vSphere DRS

Transparent Page Sharing (TPS) is enabled Cluster Two

Eight ESXi hosts


vSphere HA with host failures cluster tolerates = 1 Proactive HA is disabled

Partially Automated vSphere DRS Transparent Page Sharing (TPS) is disabled

Cluster Three


Three ESXi hosts


vSphere HA with admission control is disabled Proactive HA is not supported

Transparent Page Sharing (TPS) is disabled Virtual Machine Resource Profile 1

Memory sharing techniques should not be used


Virtual machines should be automatically restarted in the event of host failure if resources are available Automated initial virtual machine placement

Virtual Machine Resource Profile 2


Memory sharing techniques should not be used


Virtual machines should be automatically restarted in the event of host failure regardless of available resources Automated initial virtual machine placement

Which two recommendations should the architect make for placement of the virtual machines to meet resource profile requirements? (Choose two.)

  1. All virtual machines matching Virtual Machine Resource Profile 2 should be placed on Cluster One.

  2. All virtual machines matching Virtual Machine Resource Profile 1 should be placed on Cluster One.

  3. All virtual machines matching Virtual Machine Resource Profile 2 should be placed on Cluster Two.

  4. All virtual machines matching Virtual Machine Resource Profile 1 should be placed on Cluster Two.

  5. All virtual machines matching Virtual Machine Resource Profile 2 should be placed on Cluster Three.

Answer: B,E


Question: 105


A customer has a database cluster with 40/60 read/write ratio and a high IOPs requirement with no contention on an all-flash vSAN cluster.


Which two storage settings should be configured for best performance? (Choose two.)

  1. IOPs limits enabled

  2. RAID 1

  3. Deduplication and Compression disabled

  4. RAID 5/6

  5. Deduplication and Compression enabled


Answer: A,B Explanation:

Reference: https://core.vmware.com/resource/troubleshooting-vsan-performance


Question: 106


A customer requires the use of data encryption to ensure data is not accessible when a drive is removed from the primary storage platform. However, there is also a requirement to use deduplication and compression against all workloads in order to conserve space.


Which solution meets the customer requirements?

  1. Data-in-transit encryption

  2. OS-level encryption

  3. Encrypted backups

  4. Array-based encryption


Answer: D


Question: 107


Following a company merger, there are two data centers running vSphere environments. Both data centers are leveraging separate Layer 3 vMotion networks.

Which requirement must be met in order to enable vMotion migration between these locations?

  1. The vMotion service must be configured on the Management VMkernel adapter

  2. A dedicated TCP/IP stack for vMotion with a dedicated gateway must be configured

  3. A stretched vMotion network must be configured between data centers

  4. Virtual machines must be powered off in order to migrate them between data centers

Question: 108


Which design decision must be included in a design to allow for the deployment of a minimum supported configuration of vCenter High Availability (HA)?

  1. A new subnet will be provisioned for vCenter HA services

  2. A vSphere cluster will consist of more than three nodes

  3. The deployed vCenter Server will be Tiny

  4. The vCenter HA network will support a latency of less than 50 ms


Answer: B Explanation:

Reference: https://www.vmware.com/pdf/vmware-validated-design-20-reference-architecture-guide.pdf (116)


Question: 109


Refer to the exhibit.


During a requirements gathering workshop, a customer shares the following diagram regarding their availability service-level agreements (SLAs):



The customer states that there is no application level availability for legacy applications.


Which recommendation could the architect make to meet the customer’s high availability requirements for the legacy applications virtual machines?

  1. Enable vSphere HA and add a VM Override with VM Restart Priority set to Disabled

  2. Enable Fault Tolerance

  3. Achieve application availability with snapshots

  4. Enable vSphere HA and add a VM Override with VM Restart Priority set to Lowest

Question: 110


An architect is designing a solution based on the following information: Each ESXi host has a single physical NIC with two 10 Gbps ports.

There is a performance-based service-level agreement (SLA) that guarantees 15 Gbps bandwidth for production virtual machines at all times.


There is no budget to purchase additional hardware.

The hardware replacement SLA is based on a delivery agreement of two business days. Which recommendation for the configuration of vSphere High Availability (HA) should the architect include in the design?

  1. Configure vSphere HA

    Configure % based admission control Configure two isolation addresses Consider an OEM with NIC failure conditions in their Proactive HA plugin

  2. Configure vSphere HA

    Set das.IgnoreRedundantNetWarning to true

    Consider an OEM with NIC failure conditions in their Proactive HA plugin

  3. Configure vSphere HA

    Configure two existing data stores for heartbeat

    Consider an OEM with NIC failure conditions in their Proactive HA plugin

  4. Configure Proactive HA Automation Level: Automated Remediation: Maintenance mode for all failures

Consider an OEM with NIC failure conditions in their Proactive HA plugin


Answer: A


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