[2022年最新] 高合格率な3V0-21.21テストアンサーかつVMware 3V0-21.21テストPDF
完璧3V0-21.21問題集試験問題と解答でパス保証されます
VMware 3V0-21.21 認定試験の出題範囲：
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質問 35
An architect is tasked with expanding an existing VMware software-defined data center (SDDC) solution so that it can be used to deliver a virtual desktop infrastructure (VDI) service off-shore development activities.
The production environment is currently delivered across two geographically dispersed data centers. The two data centers are currently connected to each other through multiple diversely routed, high bandwidth and low latency links. The current operations management components are deployed to a dedicated management cluster that is configured with N+1 redundancy. The current VMware software-defined data center (SDDC) has a monthly availability target of 99.5%, which includes all management components.
The customer requires that the new solution scale to support the concurrent running of 500 persistent virtual desktops. The virtual desktops must not share the same virtual infrastructure as existing virtual machines, but can be managed using the same VMware operations management components. Any new VDI service management components must be installed into the management cluster. There is no requirement to back up the virtual desktops because all relevant user data is stored centrally. The VDI service is providing business critical services and must have an availability target of 99.9%.
Given the information from the customer, which two assumptions would the architect include in the design? (Choose two.)
- A. The existing management cluster has enough available capacity to host any VDI service management component
- B. The existing operations monitoring tools have sufficient capacity to monitor the new VDI services
- C. The existing virtual infrastructure has sufficient capacity to host the new VDI workloads
- D. The management cluster has N+1 redundancy
- E. The VDI service has a higher service-level agreement (SLA) than the operations management SLA
正解: B,D
質問 36
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. Predicted platform growth
- D. Auditing requirements for the virtual machines
正解: A
質問 37
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. Add a new two-port 10 GbE NIC per ESXi host
- B. Replace the existing NIC with a two-port 25 GbE NIC per ESXi host
- C. Match the Class of Service (CoS) and Differentiated Services Code Point (DSCP) values to the physical network
- D. Enable and tag traffic on the backup distributed port group
- E. Create a new virtual switch using the 1 GbE uplinks
正解: A,D
質問 38
An architect is designing a new vSphere environment to meet the following requirements:
The environment must support 5,000 virtual machines.
The environment will be built initially using 350 hosts.
Which vCenter Server appliance deployment size should the architect specify for the design?
- A. Tiny
- B. Small
- C. Large
- D. Medium
正解: D
解説:
For more details:
- Tiny environment (up to 10 hosts or 100 virtual machines)
- Small environment (up to 100 hosts or 1,000 virtual machines)
- Medium environment (up to 400 hosts or 4,000 virtual machine)
- Large environment (up to 1,000 hosts or 10,000 virtual machines)
- X-Large environment (up to 2,500 hosts or 45,000 virtual machines)
https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vcenter.install.doc/GUID-88571D8A-46E1-464D-A349-4DC43DCAF320.html
質問 39
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. Configure a dedicated TCP/IP stack for vMotion traffic.
- B. Implement Multi-NIC vMotion by adding additional vMotion VMkernels.
- C. Use Network I/O Control to define a reservation for vMotion traffic.
- D. Combine vMotion and Management traffic to make use of four adapters.
正解: C
質問 40
During a requirements gathering workshop, the customer provides the following requirement (REQ) and constraints (CON):
REQ01: The customer is looking for a way to limit database virtual machine (VM) placement to save on CPU licensing costs.
CON01: There is a single cluster with no budget to scale.
CON02: All virtual machines must run on the consolidated cluster.
Which two design decisions should the architect make to meet the customer requirement? (Choose two.)
- A. The solution must use a vRealize Orchestrator workflow for VM placement
- B. The solution must use vSphere VM and host DRS groups
- C. The solution must use VM-Host affinity rules
- D. The solution must use vSphere DRS in manual mode
- E. The solution must use VM-VM anti-affinity rules
正解: B,C
質問 41
An architect is tasked with designing a greenfield VMware software-defined data center (SDDC) solution that will be used to deliver a private cloud service for a customer.
During the initial meeting with the service owner and business sponsor, the customer has provided the following information to help inform the design:
* The solution must initially support the concurrent running of 300 production and 600 development virtual machines.
* The production environment should be delivered across two geographically dispersed data centers.
* The development environment must be vSphere-based but does not have to be deployed on-premises.
* The two data centers are connected to each other through multiple diversely routed, high bandwidth and low latency links.
* The customer's server hardware standard document states that all virtual infrastructure hosts must be based on blade architecture only.
* The service owner has said that is important to ensure that neither the availability target of 99.5% nor the resource capacity is affected when the operations team completes maintenance activities, such as the monthly software patching and ad-hoc hardware break/fix.
* All virtual machine backups must be completed using the existing backup service.
* The recovery time objective (RTO) for the service is four hours.
* The recovery point objective (RPO) of the service is 24 hours.
Given the information from the customer, which two would be classified as assumptions within the design?
(Choose two.)
- A. The backup service has sufficient capacity for the new requirements
- B. The customer will update their hardware standard to support rack mount servers
- C. All virtual machines will be deployed with the same resource profile for production and development
- D. The clusters will have a minimum redundancy of N+1
- E. The backup service will store data in a secure facility
正解: B,E
質問 42
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. Split the virtual machines into several VLANs
Use tag actions - B. Create port groups with different names and same VLAN IDs
Enable traffic shaping for ingress and egress traffic - C. Enable traffic filtering and marking
Use allow or drop actions - D. Disable traffic filtering and marking
Use tag actions
正解: A
質問 43
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. The deployed vCenter Server will be Tiny
- C. A vSphere cluster will consist of more than three nodes
- D. The vCenter HA network will support a latency of less than 50 ms
正解: A
質問 44
An architect makes the design decision to install ESXi on embedded and resilient 8 GB SD cards.
What is the impact of this design decision?
- A. Scratch partition would need to be created on the external storage
- B. Host profiles must be used for this kind of installation
- C. The vSphere Auto Deploy feature must be enabled on vCenter Server
- D. The size of the SD cards is too small and the installation will fail
正解: B
質問 45
Refer to the exhibit.
During a requirements gathering workshop, the customer shares the following diagram regarding their availability service-level agreements (SLAs):
The customer wants database application level availability to always take precedence. What should the architect recommend to meet the customer's requirement?
- A. Enable vSphere HA and add a VM Override with VM Restart Priority set to Highest.
- B. Enable vSphere HA and add a VM Override with VM Restart Priority set to Lowest.
- C. Enable Fault Tolerance.
- D. Enable Sphere HA and maintain the default settings.
正解: B
質問 46
An architect is designing a new vSphere cluster. The requirement is to provide a total of 96 CPU cores and 1.5 TB RAM across all hosts.
The following information has been provided:
Two different physical hardware profiles are available for the ESXi hosts in the cluster.
- Profile 1: 16 CPU cores and 256 GB RAM
- Profile 2: 32 CPU cores and 512 GB RAM
Profile 2 is twice as expensive to purchase as Profile 1.
Which two aspects should the architect consider when selecting the hardware profile? (Choose two.)
- A. The downtime allowed for virtual machines that will be running within the cluster
- B. The manufacturer and model of the CPUs in the hosts
- C. The cost to procure and maintain the hardware
- D. The amount of capacity available for failover of virtual machines within the cluster
- E. The number of virtual machines that will be running within the cluster
正解: D,E
質問 47
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 minimum throughput of 400 MB/s
- 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 service-level agreement (SLA) of 99,9%
正解: C,D
解説:
Explanation/Reference: https://technicloud.com/category/vmware/
質問 48
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 1 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 Two.
- D. All virtual machines matching Virtual Machine Resource Profile 2 should be placed on Cluster Three.
- E. All virtual machines matching Virtual Machine Resource Profile 1 should be placed on Cluster One.
正解: A,E
質問 49
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?
- A. RAID controller with RAID 5 mode
- B. RAID controller with RAID 6 mode
- C. RAID controller with RAID 10 mode
- D. RAID controller with Passthru mode
正解: B
質問 50
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. Ballooned memory
- B. Disk Write latency
- C. %Ready
- D. CPU
- E. IOPS
正解: B,E
質問 51
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