2014年3月24日星期一

Certification Microsoft de téléchargement gratuit pratique d'examen 74-409, questions et réponses

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Code d'Examen: 74-409
Nom d'Examen: Microsoft (Server Virtualization with Windows Server Hyper-V and System Center)
Questions et réponses: 99 Q&As

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NO.1 You have a Windows Server 2012 R2 Hyper-V environment that includes System Center 2012
R2 Virtual Machine Manager (VMM). The environment includes five physical servers. The servers
are configured as follows:
You plan to use VMM to migrate physical machines to virtual machines.
You must migrate all servers that support physical to virtual (P2V) migration.
You need to migrate the servers.
Which three servers should you migrate? Each correct answer presents part of the solution.
A. NYC-WEB
B. NYC-PR
C. NYC-DEV
D. NYC-FS
E. NYC-EX
Answer: A,B,C

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NO.2 A company plans to create a Hyper-V test environment that will contain three virtual machines
(VMs). The VMs are projected to grow 1 GB in size each day. The VMs will be configured as follows:
You must minimize the required amount of storage space by using the least amount of
administrative effort.
You need to recommend a storage solution.
Which type of virtual disk type should you configure for each VM?
A. differencing
B. dynamically expanding
C. fixed
D. pass-through
Answer: B

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NO.3 You administer a Windows Server 2012 R2 server that has the Hyper-V role installed. You plan
to test an update to a virtual machine (VM) in a production environment. You must meet the
following requirements:
--migrate the VM to another Hyper-V host as quickly as possible ensure that the VM configuration is
preserved after the migration is complete
You need to migrate the virtual machine. What should you do first?
A. Create a checkpoint of the VM.
B. Run the Windows PowerShell cmdlet Export-VMSnapshot.
C. Run the Windows PowerShell cmdlet New-VirtualDiskClone.
D. Export the VM.
Answer: D

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NO.4 You administer a Virtual Desktop Infrastructure (VDI). The environment runs on a Windows
Server 2012 R2 server that has the Hyper-V role installed. You use Systems Center 2012 R2
Operations Manager to troubleshoot performance issues.
Some users of dedicated virtual desktops report slow response times within their sessions.
Operations Manager reports indicate that a performance bottleneck exists at the storage layer.
You need to manage the amount of input/output operations per second (IOPS) that the dedicated
desktop pool can generate.
What should you do?
A. Enable Resource Metering on the Hyper-V host server.
B. Configure Operations Manager to monitor virtual machine disk performance on the Hyper-V host
server. Configure monitoring alerts for virtual machine use greater than the allowed IOPS.
C. For each virtual machine, enable Network Quality of Service (QoS). Set a minimum and max mum
value for the Mbps property.
D. For each virtual machine, enable Storage Quality of Service (QoS). Set a minimum and maximum
value for IOPS.
Answer: C

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NO.5 A company has Hyper-v host servers that run Windows Server 2012. The company also
has virtual machines that run Windows Server 2008 R2 or Windows Server 2012.
You upgrade the Hyper-V host servers to Windows Server 2012 R2.
You need to ensure that all virtual machines can PXE boot by using a standard network adapter.
What should you do?
A. Create Generation 2 virtual machines.
B. Upgrade all existing virtual machines to Windows Server 2012 R2.
C. Upgrade the existing virtual machines that run Windows Server 2008 R2 to Windows Server 2012
R2.
D. Create Generation 1 virtual machines.
Answer: A

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NO.6 DRAG DROP
A software company has a Windows Server 2012 R2 server that has the Hyper-V role installed. The
server hosts a single virtual machine (VM) named VM1. VM1 has one virtual CPU, one virtual hard
disk, and one virtual network interface card (NIC) that is attached to an external network.
The company prepares to test its software in VM1. Before testing begins, VM1 must meet the
following requirements:
- Availability of network bandwidth must be maximized.
- VM network connectivity must be fault tolerant.
You need to configure the environment.
Which four actions should you perform in sequence? To answer, move the appropriate actions from
the list of actions to the answer area and arrange them in the correct order.
Answer:

NO.7 A company has a Windows Server 2012 R2 server named NYC-HOST1 that has the Hyper-V
role installed. The host server hosts two virtual machines named SALES1 and SALES2. NYC-HOST1
uses storage spaces with tiered storage. The storage spaces contain both solid state disks (SSDs) and
10,000 RPM Serial Attached SCSI (SAS) disks for .vhdx files. Each virtual machine runs on its
own .vhdx file.
You plan to add new virtual machines each month. SALES1 and SALES2 must run at the highest
possible performance at all times.
You need to configure the virtual machines.
What should you do?
A. Add additional SSDs to the storage space that is occupied by SALES1 and SALES2.
B. Replace the 10,000 RPM SAS disks with 15,000 RPM SAS disks.
C. Move the .vhdx files from the storage spaces to individual SAS hard disks.
D. pin the .vhdx files for SALES1 and SALES2 to the fast tier.
Answer: D

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NO.8 An organization has private and public cloud resources. The organization has Windows Server
2012 R2 servers that have the Hyper-V role installed. You have one four-node cluster of Hyper-V
host servers. You use System Center 2012 R2.
The virtual machines that run on the cluster must remain online when you install updates on the
Hyper-V host servers.
You need to install updates on the Hyper-V host servers.
What should you do?
A. Configure Windows Serve' Update Services (WSUS) to provide updates to the Hyper-V host
servers in the cluster.
B. Add all the virtual machines hosted on the cluster to a collection in System Center 2012 R2
Configuration Manager. Deploy updates to the collection.
C. Use the Cluster-Aware Updating (CAU) wizard.
D. Configure Windows Update on the Hyper-V host servers to download updates from Microsoft
Update.
Answer: A

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NO.9 A company consolidates multiple data centers into a single centralized datacenter by using a
Windows Server 2012 R2 server that has the Hyper-V role installed.
You must be able to support chargeback based on the usage of the following resources:
average CPU usage per virtual machine (VM) average physical memory used by a VM over a period
of time highest amount of memory assigned to a VM over a period of time highest amount of disk
spaced assigned to a VM over a period of time
You need to track the resources without installing any additional tools.
Which tool should you use?
A. Process Explorer
B. Resource Metering C Reliability Monitor
C. Resource Monitor
Answer: B

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10. A company has two offices in New York and one office in San Francisco. There is no shared
storage between the San Francisco office and the New York headquarters. AH offices are connected
by a wide area network (WAN). The Hyper-V environment is configured as shown in the following
table:
All virtual machines must be highly available.
You need to configure the environment.
What should you implement?
A. a separate Hyper-V replica between NYC-Host1 and SFC-Host1
B. a Hyper-V cluster that includes NYC-Host1, NYC-Host2, and SFC-Host1
C. a Hyper-V cluster between NYC-Host1 and SFC-Host1
D. a Hyper-V replica between NYC-Host1 and NYC-Host2 with an extended replica between
NYC-Host1 and SFC-Host1
Answer: D

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