74-409 Exam
Top 10 class 74-409 for IT learners (31 to 40)
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Q31. A company has servers that run Windows Server 2012 R2. The company has one Active Directory Domain Services (AD DS) domain.
A user reports that USB devices are not redirected when he uses the Virtual Machine Connection tool to connect to a virtual machine. USB device redirection works for other users that connect to this VM.
You need to ensure that USB devices are redirected for all users when they connect to this VM.
What should you do?
A. Add the user as a member of the Administrators group on the VM.
B. Ensure that the Allow enhanced session mode setting is set to Enabled on the VM.
C. Ensure that the Remote Desktop Services service is running on the VM.
D. Add the user as a member of the Administrators group on the AD DS domain.
Answer: A
Explanation: Ref: http://technet.microsoft.com/en-us/library/dn282274.aspx
Re-direction works for other users on this VM. This means that Enhanced Session Mode is already enabled on the server and VM.
Additionally, Remote Desktop Services needs to be running, and the user account you use to sign in to the virtual machine needs to be a member of the Remote Desktop Users local group or the local Administrators group.
Q32. You administer two servers that run Windows Server 2012 R2. Both servers are part of a Hyper-V cluster. The servers are configured as shown in the following diagram:
All of the .vhdx files are stored on DISK1.
You observe that the physical input/output (I/O) performance degrades when .vhdx files are accessed.
You need to improve performance.
Which two actions should you perform? Each correct answer presents part of the solution.
A. Run the Windows PowerShell command Set-BCCache 10.
B. On each host server, enable write caching for DISK1.
C. Run the Windows PowerShell command Get-ClusterSharedVolumeBlockCacheSizeInMB = 0.
D. Run the Windows PowerShell command (Get-Cluster).SharedVolumeBlockCacheSizeInMB = 512.
E. Run the Windows PowerShell command Get-ClusterSharedVolume "Disk1" | Set-ClusterParameter CsvEnableBlockCache 1.
F. On each host server, disable write caching for DISK0.
Answer: D,E
Explanation: http://windowsitpro.com/windows-server-2012/configuring-csv-cache
D: Configuring CSV Cache Windows Server 2012 R2
1.
Open an elevated Windows PowerShell prompt
2.
Define the size of the size of the cache to be reserved (example of setting to 1 GB)
(Get-Cluster). BlockCacheSize = 1024
Note:
* There are two configuration settings that allow you to control CSV Cache.
E: CsvEnableBlockCache – This is a private property of the cluster Physical Disk resource.
It allows you to enable CSV Cache on an individual disk. This gives you the flexibility to
configure cache for read intensive VMs running on some disks, while allowing you to
disable and prevent random I/O on other disks from purging the cache. For example parent
VHD’s with high reads you would enable caching on Disk1, and high writes for differencing
disks the CSV cache could be disabled on Disk2. The default setting is 0 for disabled,
setting to a value of 1 enables CSV Block Cache on that disk.
Note: In Windows Server 2012 R2 this property has been renamed to EnableBlockCache
and is Enabled by default.
D: SharedVolumeBlockCacheSizeInMB – This is a cluster common property that allows
you to define how much memory (in megabytes) you wish to reserve for the CSV Cache on
each node in the cluster. If a value of 512 is defined, then 512 MB of system memory will
be reserved on each node in the Failover Cluster. Configuring a value of 0 disables CSV
Block Cache. Note: In Windows Server 2012 R2 this property has been renamed to
BlockCacheSize.
* The main new features of the VHDX format are:
/ Support for virtual hard disk storage capacity of up to 64 TB.
/ Protection against data corruption during power failures by logging updates to the VHDX
metadata structures.
/ Improved alignment of the virtual hard disk format to work well on large sector disks.
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Q33. OTSPOT
You are the virtualization administrator for an organization. You use System Center 2012 R2 Virtual Machine Manager (VMM) to configure a virtual machine (VM) template that will host a new application.
You have the following requirements for new VMs that host the application:
. New VMs must be highly available. . You must join the VMs to an Active Directory Domain Services domain at deployment.
You need to modify the VM template to support the requirements.
On the properties page for the template, which two settings should you configure? To answer, select the appropriate settings in the answer area.
Answer:
78. A company plans to create a Hyper-V environment that will contain three virtual machines (VMs). A limited amount of storage space is available to host the VMs. The VMs will be configured as follows:
You must maximize disk performance.
You need to recommend a storage solution.
Which type of virtual disk type should you configure for each VM?
A. pass-through
B. fixed
C. dynamically expanding
D. differencing
Answer: B
Explanation:
Ref: http://www.petri.co.il/choosing-hyper-v-storage-virtual-hard-disks-2.htm#
Virtual Disk Types
There are considerations for using virtual disks, and what types of virtual disks are available:
.
Fixed—The VHD image file is pre-allocated on the backing store for the maximum size requested.
.
Expandable—Also known as "dynamic", "dynamically expandable", and "sparse", the VHD image file uses only as much space on the backing store as needed to store the actual data the virtual disk currently contains. When creating this type of virtual disk, the VHD API does not test for free space on the physical disk based on the maximum size requested, therefore it is possible to successfully create a dynamic virtual disk with a maximum size larger than the available physical disk free space.
Note The maximum size of a dynamic virtual disk is 2,040 GB.
.
Differencing—A parent virtual disk is used as the basis of this type, with any subsequent writes written to the virtual disk as differences to the new differencing VHD image file, and the parent VHD image file is not modified. For example, if you have a clean-install system boot operating system virtual disk as a parent and designate the differencing virtual disk as the current virtual disk for the system to use. then the operating system on the parent virtual disk stays in its original state for quick recovery or for quickly creating more boot images based on additional differencing virtual disks.
Note The maximum size of a differencing virtual disk is 2,040 GB.
All virtual disk types have a minimum size of 3 MB.
With Pass-through disks, you lose all of the benefits of VHD files such as portability, snap-shotting and thin provisioning.
Performance is marginally better than that of VHD files.
Reference: http://clusteringformeremortals.com/2009/09/25/hyper-v-pass-through-disk-performance-vs-fixedsize-vhd-files-and-dynamic-vhd-files-in-windows-server-2008-r2/
Q34. A company has offices in Hamburg, New York, and San Francisco. The Hamburg office has one Hyper-V host server named HAM-HOST1. The New York office has two Hyper-V host servers named NYC-HOST1 and NYC-HOST2. The San Francisco office has one Hyper-V host server named SFC-HOST1. All Hyper-V host servers run Windows Server 2012 R2.
You must deploy an application virtual machine (VM) that will be used by the sales team at the company.
You need to ensure that the VM remains available during unplanned system outages.
Which solution should you implement?
A. a Hyper-V cluster that includes NYC-HOST1 and NYC-HOST2
B. Server Message Block (SMB) 3.0 file shares on NYC-HOST1, NYC-HOST2, SFC-HOST1, and HAM-HOST1
C. a Distributed File System (DFS) replication between NYC-HOST1, SFC-HOST1, and HAM-HOST1
D. dynamic optimization on NYC-HOST1 and NYC-HOST2
Answer: A
Q35. OTSPOT
A company has a single Active Directory Domain Services (AD DS) domain and Windows Server 2012 R2 servers that have the Hyper-V role installed. The company uses System Center 2012 R2 Virtual Machine Manager (VMM) to manage the Hyper-V environment. Users access company resources from the Internet.
There is an existing front-end web server farm that contains virtual machines (VMs), as shown in the Front-end Web Server Farm exhibit. (Click the Exhibit button.) You use the VMs to deliver a website to the Internet.
The servers are configured as shown in the following table:
You perform connectivity tests between all of the front-end web servers. The connectivity tests all have the same results, as shown in the Windows PowerShell exhibit. (Click the Exhibit button.)
The company plans to enhance overall security of the virtual environment. The front-end web servers must NOT be able to communicate with each other.
You need to implement changes to the environment.
For each of the following statements, select Yes if the statement is true. Otherwise, select No. Each correct selection is worth one point.
Answer:
Q36. RAG DROP
You administer a Windows Server 2012 R2 server with the Hyper-V role installed.
You plan to integrate the Hyper-V host server with the existing storage infrastructure.
You need to configure all virtual machines (VMs).
Which three 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:
Q37. A company uses System Center 2012 R2 Operations Manager and System Center 2012 R2 Virtual Machine Manager (VMM). You need to provide a detailed overview of the fabric that services the company's private clouds. What should you do?
A. Import the Management Pack for System Center 2012 R2 VMM Fabric Dashboard.
B. Use the System Center Global Service Monitor as part of the monitoring strategy.
C. Import the Management Pack for System Center 2012 Service Manager.
D. Use the Windows Intune service as part of the monitoring strategy.
Answer: A
Explanation:
Ref: http://www.networkworld.com/community/blog/whats-new-operations-manager-system-center-2012-r2
Fabric Monitoring A close integration between System Center 2012 R2 Virtual Machine Manager and System Center 2012 R2 Operations Manager introduces System Center cloud monitoring of virtual layers for private cloud environments. To get this new functionality, use the System Center 2012 Management Pack for System Center 2012 R2 Virtual Machine Manager Dashboard, which is imported automatically when you integrate Operations Manager and Virtual Machine Manager. For information about how to integrate Operations Manager and Virtual Machine Manager, see Configuring Operations Manager Integration with VMM.
Q38. RAG DROP
You administer a Hyper-V environment that uses Windows Server 2012 R2 and System Center 2012 R2 Virtual Machine Manager (VMM).
A line-of-business (LOB) application requires two virtual machines (VMs). Each VM must have direct access to existing Fibre Channel storage.
You need to ensure that the two VMs have direct access to Fibre Channel storage.
Which three 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:
Q39. You administer a Windows Server 2012 R2 server that has the Hyper-V role installed. You deploy a new virtual machine. You add two virtual network adapters to the virtual machine.
You need to ensure that the virtual machine maintains network connectivity if one virtual network adapter fails.
What should you do?
A. Run the Windows PowerShell cmdlet Enable-VMReplication.
B. Enable Dynamic Host Configuration Protocol (DHCP) Guard.
C. Run the Windows PowerShell cmdlet Set-VMHost.
D. Run the Windows PowerShell cmdlet Set-VMNetworkAdapter.
Answer: D
Explanation: Ref: http://technet.microsoft.com/en-us/library/hh848457.aspx
Q40. RAG 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: