18 05 2015

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Vendor: Microsoft
Exam Code: 74-409
Exam Name: Server Virtualization with Windows Server Hyper-V and System Center

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QUESTION 31
Hotspot Question
A company has a single Active Directory Domain Services (AD DS) domain and four 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. One set of Hyper-V host servers is dedicated for use by the development
environment.
A second set of Hyper-v host servers is dedicated for use by the production environment.
The network architects assign the IP address subnets as shown in the following table:
 

The network architects also prepare a network design for the Hyper-V environments as shown in the Network Design exhibit. (Click the Exhibit button.)

The implementation team reports a problem with IP addressing as shown in the Network
Error exhibit. (Click the Exhibit button.)
 

You need to ensure that the implementation team can implement the network design successfully.
For each of the following statements, select Yes if the statement is true. Otherwise, select No. Each correct selection is worth one point.
 
Answer:
 
Explanation:
Common Scenarios for Networking in System Center 2012 SP1 and System Center 2012 R2
http://technet.microsoft.com/en-us/library/jj870823.aspx

QUESTION 32
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?
JA.    differencing
B.    dynamically expanding
C.    fixed
D.    pass-through

Answer: B
Explanation:
http://www.petri.co.il/choosing-hyper-v-storage-virtual-hard-disks-2.htm
http://searchservervirtualization.techtarget.com/tip/Fixed-vs-dynamic-disks-for-Hyper-Vvirtual-machines

QUESTION 33
Drag and Drop Question
You administer the following Windows Server 2012 R2 Hyper-V environment:
 
The environment also contains a computer named WORKSTATION1 that runs Windows 8.
You need to perform maintenance on SERVER1.
You have the following requirements:
– Perform live migration for VM-APP1.
– Use one of the Hyper-V management tools on WORKSTATION1 to perform the live migration tasks.
You need to migrate VM-APP1.
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: 
 
Explanation:
You cannot do anything with the cluster as it does not have enough free disk space.
1. On all servers, configure constrained delegation.
2. On WORKSTATION1, run Hyper-V Manager and connect to SERVER1.
Then, start the move wizard.
3. Move VM-APP1 to Server4.
Configure Live Migration and Migrating Virtual Machines without Failover Clustering
http://technet.microsoft.com/en-us/library/jj134199.aspx

QUESTION 34
Hotspot Question
You have an environment that contains the servers as shown in the following table:
 
You purchase a physical server that supports out-of-band management to deploy as a bare-metal Hyper-V host server.
Administrators must be able to deploy standard Hyper-V host server images to bare-metal computers by using the least amount of administrative effort.
You need to prepare the environment.
What should you use? To answer, select the appropriate option from each drop-down menu in the answer area.
 
Answer: 
 
Explanation:
http://technet.microsoft.com/en-us/library/gg610658.aspx

QUESTION 35
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: DE
Explanation:
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.

QUESTION 36
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
Explanation:
This is a poor question but the only answer that makes sense is A.
It is not SMB because:
The two supported Hyper-V configurations for Hyper-V over SMB are:
– Standalone Hyper-V servers (not a high availability solution)
– Hyper-V servers configured in a failover cluster.
http://technet.microsoft.com/en-us/library/jj134187.aspx

QUESTION 37
You administer an environment that uses a Windows Server 2012 R2 Hyper-V cluster and System Center 2012 R2 Virtual Machine Manager (VMM).
You plan to deploy two virtual machines (VMs) that host a lineof-business (LOS) application.
The VMs must reside on the same Hyper-V host server at all times.
The LOB application does NOT require high availability.
You need to deploy the VMs.
What should you do?

A.    Add a custom property to both VMs, and assign the same value to each property.
Configure the Hyper-V host cluster to use the same custom property and value.
Configure a custom placement rule that uses filters that are based on the custom property
and value.
B.    Configure the VMs to use the same VM network.
C.    Configure the VMs to reside on the same storage area networks (SANs).
D.    Add a custom property to both VMs, and assign the same value to each property.
Configure the VMs as members of the same availability set.

Answer: A
Explanation:
http://blogs.technet.com/b/scvmm/archive/2013/03/11/custom-placement-rules-andavailability-sets-in-scvmm-2012-sp1.aspx

QUESTION 38
Hotspot Question
A company has a Windows Server 2012 R2 Hyper-V environment that includes two separate Active Directory Domain Services (AD DS) domains.
The environment also has three servers named HOST1, HOST2, and HOST3 that have the Hyper-V role installed.
HOST1 and HOST2 are configured as a failover cluster.
The environment is configured as shown in the following diagram:
 
You plan to deploy two new virtual machines named VM-Server1 and VM-Server2.
You have the following requirements:
– Deploy both virtual machines as a failover cluster.
– Utilize virtual hard disk (VHD) sharing for the cluster.
– The virtual machines must survive a host server hardware failure.
You need to deploy the virtual machines.
Use the drop-down menus to complete each statement based on the information presented in the screenshot. Each correct selection is worth one point.
 
Answer: 
 

QUESTION 39
Drag and Drop Question
You administer a Windows Server 2012 R2 server that has the Hyper-V role installed.
The host server has the following configuration:
 
You deploy a new lab virtual machine named VM-SERVER3.
You need to ensure that VM-SERVER3 communicates only with VM-SERVER1.
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: 
 
Explanation:
For step 2 and step 3 refer to the diagram below.
 
Incorrect:
Not Enable-VMSwitchExtension: The Enable-VMSwitchExtension cmdlet enables one or more extensions on one or more switches.
You can use the Get-VMSystemSwitchExtension cmdlet to enumerate the virtual switch extensions installed on the system.
http://blogs.msdn.com/b/adamfazio/archive/2008/11/14/understanding-hyper-v-vlans.aspx

QUESTION 40
You administer the Hyper-V environment for a large organization.
The organization uses Windows Server 2012 R2 servers that have the Hyper-V role installed and System Center 2012 R2 Virtual Machine Manager (VMM).
You create a virtual machine template that has the Operations Manager 2012 R2 agent pre-installed.
You receive the following Operations console alert for all domain controller VMs that use the VM template:
The script ‘AD Replication Partner Op Master Consistency’ Failed to create object. ‘McActiveDir.ActiveDirectory’.
This is an unexpected error.
The error returned was ‘ActiveX component can’t create object’ (OxlAD)
The Active Directory Management Pack Objects (OOMADs) components are not installed on the Domain Controller.
These components are required for the monitoring scripts to run successfully.
See Alert Knowledge for additional details.
You need to correct the issue for the virtual machines that use the template.
What should you do?

A.    Configure the agent to run as a user account that is a member of the Domain Admins security
group.
B.    In the Administration pane on the Operations console, create a Windows Run As Account
containing a user account that is a member of the Domain Admins security group.
Associate this Run As Account with the AD MP Account Run As Profile.
C.    in the Administration pane on the Operations Console, find the affected agent-managed
computers and enable agent proxy.
D.    Install the Active Directory Management Pack helper object on the managed computers.

Answer: D
Explanation:
The Active Directory Management Pack Objects (OOMADs) components are not installed on the Domain Controller.
These components are required for the monitoring scripts to run successfully.
http://technet.microsoft.com/en-us/library/cc180617.aspx

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