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

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Vmware
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.)
A. Enable and tag traffic on the backup distributed port group
B. Add a new two-port 10 GbE NIC per ESXi host
C. Replace the existing NIC with a two-port 25 GbE NIC per ESXi host
D. Match the Class of Service (CoS) and Differentiated Services Code Point (DSCP) values to the physical network
E. 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?
A. Separate Tier-1, Tier-2 and Tier-3 virtual machines using dedicated distributed virtual switches (DVS)
B. Separate Tier-2 virtual machines onto a dedicated cluster
C. Separate Tier-1, Tier-2 and Tier-3 virtual machines onto dedicated clusters
D. 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.)
A. %Ready
B. Disk Write latency
C. CPU
D. Ballooned memory
E. 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?
A. Stateless cached vSphere Auto Deploy
B. Stateless vSphere Auto Deploy
C. Manual install of each ESXi host with an image from USB
D. 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.)
A. All virtual machines matching Virtual Machine Resource Profile 2 should be placed on Cluster One.
B. All virtual machines matching Virtual Machine Resource Profile 1 should be placed on Cluster One.
C. All virtual machines matching Virtual Machine Resource Profile 2 should be placed on Cluster Two.
D. All virtual machines matching Virtual Machine Resource Profile 1 should be placed on Cluster Two.
E. 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.)
A. IOPs limits enabled
B. RAID 1
C. Deduplication and Compression disabled
D. RAID 5/6
E. 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?
A. Data-in-transit encryption
B. OS-level encryption
C. Encrypted backups
D. 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?
A. The vMotion service must be configured on the Management VMkernel adapter
B. A dedicated TCP/IP stack for vMotion with a dedicated gateway must be configured
C. A stretched vMotion network must be configured between data centers
D. Virtual machines must be powered off in order to migrate them between data centers
Answer: B
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)?
A. A new subnet will be provisioned for vCenter HA services
B. A vSphere cluster will consist of more than three nodes
C. The deployed vCenter Server will be Tiny
D. 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?
A. Enable vSphere HA and add a VM Override with VM Restart Priority set to Disabled
B. Enable Fault Tolerance
C. Achieve application availability with snapshots
D. Enable vSphere HA and add a VM Override with VM Restart Priority set to Lowest
Answer: A
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?
A. Configure vSphere HA
Configure % based admission control Configure two isolation addresses
Consider an OEM with NIC failure conditions in their Proactive HA plugin
B. Configure vSphere HA
Set das.IgnoreRedundantNetWarning to true
Consider an OEM with NIC failure conditions in their Proactive HA plugin
C. Configure vSphere HA
Configure two existing data stores for heartbeat
Consider an OEM with NIC failure conditions in their Proactive HA plugin
D. 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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