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3V0-21.21 Advanced Design VMware vSphere 7.x Questions and Answers

Questions 4

Refer to the exhibit.

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

3V0-21.21 Question 4

The customer wants database application level availability to always take precedence. What should the architect recommend to meet the customer’s requirement?

Options:

A.

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

B.

Enable Fault Tolerance.

C.

Enable Sphere HA and maintain the default settings.

D.

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

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Questions 5

What is a benefit of using a scale-out method for handling vSphere cluster growth?

Options:

A.

An increase in the recovery time objective (RTO) for the cluster

B.

Faster to reach the limit of virtual machines per host

C.

An overall reduction in the license costs for the cluster

D.

Less potential impact to virtual machines during a single host failure

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Questions 6

Refer to the exhibit.

3V0-21.21 Question 6

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.)

Options:

A.

Configure the network to use MTU for the VMotion VMKernel to 1,600 bytes

B.

Configure the network to use MTU for the VMotion VMKernel to 9,000 bytes

C.

Create an additional standard switch with pNIC3 to use for vMotion

D.

Use the 3 pNICs and bundle them in a link aggregation group (LAG) configuration

E.

Use 10 GbE NICs instead of 1 GbE

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Questions 7

Which requirement would be classified as a functional requirement within the design documentation?

Options:

A.

The system must perform virtual machine backups through an API.

B.

Virtual machines must be patched within one month of the patch release date.

C.

Virtual machines must be restarted within 30 minutes of a host failure.

D.

The system must be able to scale to support 500 concurrent virtual machines.

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Questions 8

During a requirements gathering workshop, the customer provides the following information:

  • Each host has 2 × 10 GbE NIC
  • EtherChannel is not currently configured
  • No changes can be made to the physical network
  • Network throughput must be prioritized for defined critical services

Which two recommendations should the architect make with regard to virtual networking? (Choose two.)

Options:

A.

Use Route Based on Physical NIC Load.

B.

Use Network I/O Control with Shares.

C.

Use Network I/O Control with Reservation.

D.

Use Link Aggregation Control Protocol (LACP).

E.

Use Network I/O Control with Limits.

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Questions 9

An architect is creating a network design for a new vSphere environment.

Based on customer requirements, the environment must support the following types of traffic:

  • Management
  • vMotion
  • vSAN
  • Fault Tolerance
  • Virtual machine traffic, which cannot be impacted by other types of traffic

Which design recommendation can the architect make for a resilient infrastructure with vSphere network service tiering?

Options:

A.

Use different logical networks to ensure traffic is isolated with separate VLANs

B.

Use Network I/O Control and ensure appropriate share value is defined for different types of traffic giving priority to the virtual machines traffic

C.

Use two dedicated virtual switches with a single adapter each, dedicating one virtual switch for Management, vMotion, vSAN and Fault Tolerance traffic, and the second one for virtual machine traffic

D.

Use a NIC teaming policy based on the physical NIC load

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Questions 10

An architect is tasked with designing a new VMware software-defined data center (SDDC) using VMware vSAN. The architect uses a storage assessment tool to determine the storage requirements for the new vSAN cluster. The new SDDC is going to be deployed into the existing data center and must be connected to a shared core network switch.

The architect decides to use vSAN ReadyNodes with the following configuration:

  • Two disk groups with:

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  • Four 10 GbE ports

Which element represents a risk that should be included in this design?

Options:

A.

The number of 10 GbE capable ports in the vSAN ReadyNode

B.

The use of vSAN ReadyNodes

C.

The existing network is 10 GbE capable

D.

The use of NVMe drives for cache and capacity

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Questions 11

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.)

Options:

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

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Questions 12

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.)

Options:

A.

Clone virtual machines as VM templates to the published content library

B.

Create a subscribed library from the published library and synchronize Open Virtualization Format (OVF) templates on-demand

C.

Create a subscription and publish VM templates to a subscribed content library

D.

Create a subscribed library from the published library and synchronize Open Virtualization Format (OVF) templates automatically

E.

Clone virtual machines as Open Virtualization Format (OVF) templates to the published content library

F.

Update the role for the DevOps team with new privileges

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Questions 13

In a meeting to discuss the minimum viable product (MVP) deployment of a new customer-facing application, the key stakeholder shares details of the application components and the application administrators share details of performance and integrity tests for the application.

The application will be made up of the following components:

  • A web server

-Steps to confirm the web server is operating correctly will take 15 minutes after the application server is online.

  • An application server

-Steps to confirm application server integrity will take 15 minutes after the database is online.

  • A database server

-The database server will be managed by a database administrator, with an agreed service-level agreement (SLA) to restore and validate database services within one hour.

The existing VMware infrastructure offers a recovery point objective (RPO) of 5 minutes and recovery time objective (RTO) of 15 minutes through a combination of backups and replication.

In the event of an outage impacting all three application components, how long will it take for the application to recover and complete all checks?

Options:

A.

15 minutes

B.

60 minutes

C.

105 minutes

D.

90 minutes

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Questions 14

Which two statements are true about gathering functional business and application requirements? (Choose two.)

Options:

A.

It focuses on functional requirements with C-level stakeholders

B.

It leverages a single set of QUESTION NO:s for all stakeholders

C.

It might require multiple rounds of stakeholder interviews

D.

It builds stakeholder consensus

E.

It is a non-iterative process

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Questions 15

An architect is designing a new greenfield environment that will install ESXi on local disks. There is a requirement to streamline initial and future installations of ESXi hosts.

Which configuration option should the architect recommend for installing ESXi hosts to meet these requirements?

Options:

A.

Installation with kick start script

B.

Auto Deploy with stateless caching mode

C.

Manual installation using boot from SAN

D.

Auto Deploy with stateful install mode

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Questions 16

A VMware Service Provider is tasked with delivering a solution for continuous availability for a subset of Tier 1 virtual machines (VMs) and vApps running in their vSAN environment. The VMs make up a mission-critical application and there can be no data loss in the event of an outage at their primary data center. In the event of a regional outage, they have established a 10-minute recovery point objective (RPO). Failover/failback to the third site must be automated.

They have the following in place:

  • Two local data centers (primary and secondary) connected with 100 Gb dedicated fiber
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A third data center located on another power grid

  • 70ms latency between the primary and secondary data centers
  • Matching storage arrays at all locations

Which two solutions could be used to meet the requirements? (Choose two.)

Options:

A.

Site Recovery Manager

B.

Snapshots

C.

vSAN Metro Cluster

D.

vSphere Data Protection

E.

vStorage APIs for Array Integration (VAAI)

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Questions 17

During a requirements gathering workshop, the customer provides the following requirement:

  • A new vSphere platform must be designed securely and all interfaces must be protected against potential snooping.

How should this non-functional security requirement be documented?

Options:

A.

Interfaces must be audited.

B.

Encrypted channels must be used for all communications.

C.

Unauthorized access to interfaces must be reported within 15 minutes.

D.

Communications must be through Private VLANs (PVLAN).

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Questions 18

An organization's existing vSphere environments are configured for Enhanced Linked Mode. The DevOps team automates the creation of hardened virtual machine images for various operating systems. Their continuous integration/continuous delivery (CI/CD) pipeline runs a task at the end of a successful build, which uploads the Open Virtualization Format (OV) image to a sandbox content library, deploys a virtual machine from the image, and then destroys these objects after quality checks are complete.

The following requirements have been noted:

  • All content libraries and images must be centrally created and managed.
  • All images must be capable of being updated.
  • All images must be refreshed and available to subscribed libraries within 24 hours.
  • All images must provide details of the image contents and versions.
  • All images must be capable of being reverted to a previous version.
  • All images must be capable of having the hardware and guest operating system customized during deployment.

Which three recommendations should the architect make to design a content library solution that will meet these requirements? (Choose three.)

Options:

A.

Create a local content library in the primary vSphere environment and enable publishing.

B.

Create and publish a new subscription to a new subscriber library for each target vSphere environment.

C.

Deploy the OVF images to vSphere and clone as an OVF template to a local content library.

D.

Deploy the OVF images to vSphere and clone as a VM template to a local content library.

E.

Edit the Auto Sync Refresh Interval advanced setting for each subscribed library.

F.

Add a new subscriber library from each vSphere environment.

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Questions 19

An architect is designing an environment for a retail customer. The design will use a single small vCenter Server Appliance and a cluster of eight ESXi hosts at a remote site. There is a single 10 GbE connected network at the remote site to support all management services. It is not possible to create additional management networks at the remote site. Virtual machine backups at the site will be dependent on the vCenter Server being available.

Which design decision should the architect make to maximize availability for backups?

Options:

A.

vCenter Server High Availability will be configured.

B.

The vCenter Server Appliance will be protected with vSphere Fault Tolerance.

C.

The cluster will be configured to use vSphere DRS in fully automated mode.

D.

The cluster will be configured with vSphere HA and set to restart virtual machines based on guest operating system heartbeat monitoring.

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Questions 20

An architect is designing a solution for an environment with two types of resource profiles that must be virtualized. The first type consists of Tier 1 virtual machines that are disk I/O intensive, but do NOT require high CPU or memory. The second type consists of Tier 2 virtual machines that require a lower CPU and memory allocation and have minimal disk I/O.

Which design recommendation should the architect make for distributing the resource profiles?

Options:

A.

Separate the two resource profiles into two clusters. The Tier 1 cluster will have fast storage while the Tier 2 cluster will not.

B.

Run both resource profiles on the same cluster with the same host hardware platform.

C.

Separate the two resource profiles into two clusters. The Tier 2 cluster will have faster CPU and more memory while the Tier 1 cluster will have slower CPU and less memory but more disk space.

D.

Run both resource profiles on the same cluster with host hardware that has fast CPU, large amounts of memory, and the fastest storage platform.

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Questions 21

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.)

Options:

A.

IOPs limits enabled

B.

RAID 1

C.

Deduplication and Compression disabled

D.

RAID 5/6

E.

Deduplication and Compression enabled

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Questions 22

Which requirement would be classified as a functional requirement within the application design documentation?

Options:

A.

The application must be hosted with redundancy levels of N+1 or better.

B.

Penetration testing must be executed quarterly with a pass rate of 80% or higher.

C.

The application must be capable of handling 200 transactions per second.

D.

Administrators must monitor the network traffic of the desired systems.

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Questions 23

The Chief Operating Officer (COO) at an organization raises concerns that their virtual infrastructure environment is vulnerable. Recently, a security-related issue with a virtual machine caused all management services to become unavailable. No budget is available in the short term for additional platform investment. An architect is asked to review the current environment and make recommendations to mitigate concerns.

A virtualization administrator has provided the following details:

  • There is a single four node cluster of ESXi servers
  • There are two, Layer 2, physical network switches connecting resources
  • The data center network is presented as a single /16 subnet

Given the information provided, which functional requirement should the architect include in the design to mitigate the COOs concerns?

Options:

A.

The virtual infrastructure environment must connect application virtual machines and management services to new physical network switches

B.

The virtual infrastructure environment must connect application virtual machines and management services to separate distributed virtual switches (DVS)

C.

The virtual infrastructure environment must connect application virtual machines and management services to separate VLANs

D.

The virtual infrastructure environment must connect management services to a vSphere standard switch (VSS)

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Questions 24

An architect is planning the physical server configuration for a vSAN-based infrastructure.

Which operations mode should a RAID controller support to minimize potential server downtime during physical disk failures?

Options:

A.

RAID controller with Passthru mode

B.

RAID controller with RAID 5 mode

C.

RAID controller with RAID 10 mode

D.

RAID controller with RAID 6 mode

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Questions 25

An architect is designing a new vSphere environment with the following resources:

  • 600 vCPU
  • 5,760 GB RAM

Average resource usage is:

  • 60 vCPU
  • 1,152 GB RAM

The design must meet the following requirements:

  • The environment has the ability to burst by 25%.
  • Each host can schedule 36 vCPUs and has 512 GB RAM.
  • Management overhead is 20%.

What is the minimum number of hosts required to meet the design requirements?

Options:

A.

Three

B.

Five

C.

Four

D.

Two

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Questions 26

An architect is tasked with reviewing the design of a VMware software-defined data center (SDDC) for a software development company. The platform is used to developing applications and services. It is important that the customer be able to accurately benchmark performance of developed applications.

The platform has recently commissioned new hosts to update the development cluster.

The development cluster host configuration is:

  • 4 ESXi hosts with 2 sockets × 16 cores
  • 512 GB RAM divided evenly between sockets
  • There is no resource contention

The benchmarking cluster host configuration is:

  • 8 ESXi hosts with 2 sockets × 8 cores
  • 256 GB RAM divided evenly between sockets
  • There is no resource contention

The customer is developing an application that includes a database virtual machine. The application developer states that the database virtual machine performs as required only when allocated 8 vCPUs 256 GB RAM. The database virtual machine performance meets the required levels when run from the development cluster. Performance benchmarking for the database virtual machine yields highly variable results when run from the benchmarking cluster. The application cannot be released without reliable performance benchmarking data.

What is a possible reason for the difference in performance test results between the development and benchmarking clusters?

Options:

A.

The database tier breaches a single NUMA node boundary for the benchmarking cluster

B.

The database tier breaches a single NUMA node boundary for the development cluster

C.

The development cluster can support a lower %Ready time per vCPU

D.

The development cluster has more available RAM per host

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Exam Code: 3V0-21.21
Exam Name: Advanced Design VMware vSphere 7.x
Last Update: Apr 17, 2024
Questions: 88

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