Valid 3V0-21.21 Exam Q&A PDF 3V0-21.21 Dump is Ready (Updated 90 Questions)
Exam Questions and Answers for 3V0-21.21 Study Guide
NEW QUESTION 11
An architect is designing a vSphere environment for a customer based on the following information:
The vSphere cluster will have three hosts only due to budget considerations.
A database cluster (node majority) consisting of three virtual machines will be running on the vSphere cluster.
Which two recommendations can the architect make so that the customer achieves the highest level of application availability while taking into consideration operational resiliency? (Choose two.)
- A. Disable vSphere HA during maintenance
- B. Create VM-Host anti-affinity rules
- C. Set das.ignoreinsufficienthbdatastore to true
- D. Set das.respectvmvmantiaffinityrules to false
- E. Create VM-VM anti-affinity rules
Answer: B,D
NEW QUESTION 12
Application owners require support of a Microsoft Windows Server Failover Cluster (WSFC).
Their current environment consists of the following components:
* vSphere 7.0 and vSAN 7.0
* External array supporting NFS 3.0/4.1, Server Message Block (SMB) 2.1
* 10 GbE storage connectivity for all devices
The solution architect is tasked with coming up with a solution to meet this requirement while utilizing their existing investments.
Which two recommendations could the architect make? (Choose two.)
- A. Use vSAN native support for WSFC
- B. Use NFS 4.1 shares for quorum and shared disk
- C. Run WSFC on vSAN iSCSI Target Service
- D. Use raw device mapping (RDM)
- E. Use the SMB 2.1 protocol for sharing disks
Answer: A,E
Explanation:
Explanation/Reference:
Reference: https://kb.vmware.com/s/article/79616
NEW QUESTION 13
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. Stateful vSphere Auto Deploy
- C. Manual install of each ESXi host with an image from USB
- D. Stateless vSphere Auto Deploy
Answer: A
NEW QUESTION 14
What is a benefit of using a scale-out method for handling vSphere cluster growth?
- A. An overall reduction in the license costs for the cluster
- B. Less potential impact to virtual machines during a single host failure
- C. Faster to reach the limit of virtual machines per host
- D. An increase in the recovery time objective (RTO) for the cluster
Answer: C
NEW QUESTION 15
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:
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 Two.
- B. All virtual machines matching Virtual Machine Resource Profile 2 should be placed on Cluster One.
- C. All virtual machines matching Virtual Machine Resource Profile 2 should be placed on Cluster Three.
- D. All virtual machines matching Virtual Machine Resource Profile 1 should be placed on Cluster One.
- E. All virtual machines matching Virtual Machine Resource Profile 1 should be placed on Cluster Two.
Answer: D,E
NEW QUESTION 16
An architect is designing a new vSphere platform to meet a list of requirements from the security team.
Which two requirements would be classified as non-functional requirements? (Choose two.)
- A. Migration of virtual machines between hosts must be encrypted
- B. A common content library must be maintained across all data centers
- C. Log information must be verbose to support incident resolution
- D. Critical events generated within the platform must be logged to an external Syslog service
- E. Data integrity must be ensured
Answer: D,E
NEW QUESTION 17
An architect is designing the expansion of an existing vSphere 7 environment. The customer is requesting a design for a new cluster to support the anticipated future business growth. The requirements specified for the existing environment design must be considered when designing the new cluster.
The existing design has the following requirements:
REQ01 The environment has an availability target of 99.5% for all infrastructure.
REQ02 The recovery time objective (RTO) for Tier 1 virtual machines is one hour.
REQ03 Windows and Linux virtual machines must reside on separate clusters.
REQ04 Access to the management cluster within the environment must be controlled.
Which of the listed requirements would be classified as a functional requirement?
- A. Windows and Linux virtual machines must reside on separate clusters
- B. The environment has an availability target of 99.5% for all infrastructure
- C. The recovery time objective (RTO) for Tier 1 virtual machines is one hour
- D. Access to the management cluster within the environment must be controlled
Answer: A
NEW QUESTION 18
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?
- A. The virtual infrastructure environment must connect application virtual machines and management services to separate VLANs
- B. The virtual infrastructure environment must connect application virtual machines and management services to new physical network switches
- C. The virtual infrastructure environment must connect application virtual machines and management services to separate distributed virtual switches (DVS)
- D. The virtual infrastructure environment must connect management services to a vSphere standard switch (VSS)
Answer: D
NEW QUESTION 19
Application owners require support of a Microsoft Windows Server Failover Cluster (WSFC).
Their current environment consists of the following components:
vSphere 7.0 and vSAN 7.0
External array supporting NFS 3.0/4.1, Server Message Block (SMB) 2.1
10 GbE storage connectivity for all devices
The solution architect is tasked with coming up with a solution to meet this requirement while utilizing their existing investments.
Which two recommendations could the architect make? (Choose two.)
- A. Use vSAN native support for WSFC
- B. Use the SMB 2.1 protocol for sharing disks
- C. Use NFS 4.1 shares for quorum and shared disk
- D. Run WSFC on vSAN iSCSI Target Service
- E. Use raw device mapping (RDM)
Answer: A,D
Explanation:
Reference:
https://blogs.vmware.com/virtualblocks/2018/04/18/vsan-6-7-introducing-wsfc-support-vsan
NEW QUESTION 20
A customer defines a requirement to minimize the vMotion migration time during a maintenance period. The servers being used are equipped with eight 1 GbE network adapters.
Per the defined logical network configuration, there are two network adapters each used for:
Management traffic
vMotion traffic
iSCSI traffic
Virtual machine traffic
Which design decision should the architect make to meet the customer requirement?
- A. Combine vMotion and Management traffic to make use of four adapters.
- B. Implement Multi-NIC vMotion by adding additional vMotion VMkernels.
- C. Use Network I/O Control to define a reservation for vMotion traffic.
- D. Configure a dedicated TCP/IP stack for vMotion traffic.
Answer: C
NEW QUESTION 21
A customer is deploying a new cluster and wants to be able to patch and update two hosts in parallel. The cluster must be able to maintain N+1 resiliency across the remaining hosts while patching activities are performed. The current expected utilization of the platform requires a minimum of two hosts to support all of the virtual machines.
What is the minimum number of hosts the customer will require in the cluster in order to meet the required resiliency level?
- A. Four
- B. Five
- C. Seven
- D. Six
Answer: A
NEW QUESTION 22
Which two of the listed requirements would be classified as performance non-functional requirements? (Choose two.)
- A. The vSphere platform must be able to provide a service-level agreement (SLA) of 99,9%
- B. The vSphere platform must be able to provide N+1 redundancy
- C. The vSphere platform must be able to provide a maximum read latency of 15 ms
- D. The vSphere platform must be able to provide a recovery time objective of 30 minutes
- E. The vSphere platform must be able to provide a minimum throughput of 400 MB/s
Answer: C,E
NEW QUESTION 23
A new vSphere platform is being created. The platform will host virtual machines that will run management services and line-of-business applications.
What should the architect consider when designing the number and type of clusters required?
- A. The level of isolation required between virtual machine classifications
- B. Maximum tolerable downtime
- C. Auditing requirements for the virtual machines
- D. Predicted platform growth
Answer: D
NEW QUESTION 24
Which two of the listed requirements would be classified as performance non-functional requirements?
(Choose two.)
- A. The vSphere platform must be able to provide a service-level agreement (SLA) of 99,9%
- B. The vSphere platform must be able to provide N+1 redundancy
- C. The vSphere platform must be able to provide a maximum read latency of 15 ms
- D. The vSphere platform must be able to provide a recovery time objective of 30 minutes
- E. The vSphere platform must be able to provide a minimum throughput of 400 MB/s
Answer: C,D
Explanation:
Explanation/Reference: https://technicloud.com/category/vmware/
NEW QUESTION 25
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. Stateful vSphere Auto Deploy
- C. Manual install of each ESXi host with an image from USB
- D. Stateless vSphere Auto Deploy
Answer: A
Explanation:
Explanation/Reference: https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.esxi.install.doc/GUID-0813B4BE-
485D-4129-902B-49AA42EBF54E.html
NEW QUESTION 26
A architect is designing a new VMware software-designed data center (SDDC) using vSphere 7 to meet the following requirements:
The SDDC must be deployed at two locations: primary and secondary.
vSphere Replication must be used to replicate virtual machines between the two locations.
Site Recovery Manager must be used to orchestrate disaster recovery (DR) activities.
One single-sign on (SSO) domain must be used to authenticate access at both locations.
Which design decision should the architect make to meet these requirements?
- A. A vCenter Server Appliance will be deployed to each site.
- B. A vCenter Server Appliance will be deployed to each site. Unique SSO domains will be created per site.
- C. A vCenter Server will be installed on Windows virtual machines deployed to both sites.
- D. A vCenter Server Appliance will be deployed to the primary site only.
Answer: D
NEW QUESTION 27
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?
- A. 105 minutes
- B. 60 minutes
- C. 15 minutes
- D. 90 minutes
Answer: C
NEW QUESTION 28
Refer to the exhibit.
During a requirements gathering workshop, the architect shares the following diagram:
What should the architect recommend for guaranteed throughput for each service?
- A. Use explicit failover order with pNIC0 as Active for ESXi Management and VM Network Use explicit failover order with pNIC1 as Active for backup network Use explicit failover order with pNIC2 as Active for vMotion Use explicit failover order with pNIC3 as Active for replication
- B. Use the Route Based on IP Hash for ESXi management and VM network Use the Route Based on IP Hash for backup network Use the Route Based on the Originating Virtual Port for vMotion Use failover with pNIC3 as Active for replication
- C. Use the Route Based on IP Hash for ESXi management and VM network Use failover with pNIC1 as Active for backup network Create a link aggregation group (LAG) for vDS_02
- D. Create a link aggregation group (LAG) for vDS_01
Use the Route Based on Physical NIC Load for vMotion Use the Route Based on Physical NIC Load for replication
Answer: A
NEW QUESTION 29
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 Proactive HA Automation Level: Automated
Remediation: Maintenance mode for all failures
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 vSphere HA
Configure % based admission control Configure two isolation addresses
Consider an OEM with NIC failure conditions in their Proactive HA plugin
Answer: D
NEW QUESTION 30
During a requirements gathering workshop, the customer's Chief Information Security Office (CISO) provides the following requirements that are pertinent to the design of a new vSphere environment:
All operating system critical patches must be installed within 24 hours of release.
All virtual machine templates must be updated every three months in line with company policy.
Which requirement classification is being gathered for the design documentation?
- A. Recoverability
- B. Availability
- C. Security
- D. Manageability
Answer: D
NEW QUESTION 31
During a requirements gathering workshop to design a physical to virtual migration, the customer provides the following information:
* There is no physical firewall in the data center with no anticipated plans for a future network refresh.
* Leveraging the virtual infrastructure to mitigate the lack of network security must be addressed in the design.
* All physical servers to be migrated exist on the same VLAN.
Which recommendation should the architect make to address the customer requirement with regard to virtual networking?
- A. Enable traffic filtering and marking
Use allow or drop actions - B. Disable traffic filtering and marking
Use tag actions - C. Create port groups with different names and same VLAN IDs
Enable traffic shaping for ingress and egress traffic - D. Split the virtual machines into several VLANs
Use tag actions
Answer: D
NEW QUESTION 32
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