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Microsoft 74-409 - Questions & Answers

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Question 1

Single choice

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?

Run the Windows PowerShell cmdlet Enable-VMReplication.

Enable Dynamic Host Configuration Protocol (DHCP) Guard.

Run the Windows PowerShell cmdlet Set-VMHost.

Run the Windows PowerShell cmdlet Set-VMNetworkAdapter.

Question 2

Single choice

You administer a server that runs Windows Server 2012 R2 that has the Hyper-V role installed. You plan to apply an update to a virtual machine (VM). You have the following requirements:

You must be able to quickly revert back to a pre-update state.
The solution must minimize storage requirements on the server.

You need to apply the update.

What should you do?

Run the Windows PowerShell cmdlet New-VirtualDiskClone.

Create a checkpoint of the VM.

Run the Windows PowerShell cmdlet Export-VMSnapshot.

Export the VM.

Question 3

Single choice

A company has Windows Server 2012 R2 servers that have the Hyper-V role installed. The guest virtual machines are configured as follows:

You need to ensure that the environment supports online virtual hard disk resizing.

What should you do?

Convert the virtual machines to Generation 2 virtual machines.

Deploy clustered storage spaces.

Convert the drive format of the virtual machines to the VHDX file format.

Deploy Serial Attached SCSI (SAS).

Question 4

Single choice

A Windows Server 2012 R2 Hyper-V host server has four network adapters that are connected to two different network switches. The server contains a virtual
machine named NYC-WEB.

You have the following requirements:

increase the available bandwidth for NYC-WEB implement network fault tolerance for NYC-WEB without modifying network switch configurations use the least amount of administrative effort You need to configure the Hyper-V environment.

What should you do first?

Enable NIC teaming. Configure the team to use Static Teaming mode.

Enable NIC teaming. Configure the team to use Switch Independent mode.

Enable Bandwidth Management on NYC-WEB.

Run the Windows PowerShell command Set-NetLbfoTeam -Name Team1 -TeamingMode Static.

Question 5

Single choice

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?

pass-through

fixed

dynamically expanding

differencing

Correct 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.
References:
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/

Question 6

Single choice

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?

Add the user as a member of the Administrators group on the VM.

Ensure that the Allow enhanced session mode setting is set to Enabled on the VM.

Ensure that the Remote Desktop Services service is running on the VM.

Add the user as a member of the Administrators group on the AD DS domain.

Question 7

Single choice

A company has seven Windows Server 2012 R2 virtual machines (VMs). The VMs are running and are accessible over the network. You plan to copy a large .ISO file from the host server to each of the VMs.
The copy operations must meet the following requirements:

The VMs must remain accessible over the network during the copy operations.
The copy operations must NOT use a network connection.

You need to configure the VMs.

What should you do on each VM?

Enable the Guest services integration service.

Enable the Data Exchange integration service.

Add a network adapter, and then enable the virtual machine queue (VMQ) option on the adapters.

Set the value of the Smart Paging File Location property to %SYSTEMROOT%\temp.

Question 8

Single choice

A company has one central data center and five branch offices. Each office has three Hyper-V host servers that run Windows Server 2012 R2 Datacenter edition.
Each branch office has a system administrator. You plan to deploy virtual machines (VMs) that run Windows Server 2012 R2 Standard edition to each branch office.
You have the following requirements:

The VMs must be activated at the branch offices, even if the branch office has no Internet connectivity.
Activation keys must NOT be shared with the branch office administrators.
You must be able to track license usage from the central location, even without access rights to the VMs.
You must be able to verify license compliance and perform real time reporting on license usage from a central location.

You need to configure licensing and activation for the VMs.

Which feature or tool should you use?

Multiple Activation Key (MAK)

Volume Activation Management Tool (VAMT)

Key Management Service (KMS)

Automatic Virtual Machine Activation (AVMA)

Question 9

Single choice

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?

Process Explorer

Resource Metering

Reliability Monitor

Resource Monitor

Question 10

Single choice

A company has a Windows Server 2012 R2 Hyper-V host server named NYC-HOST1 that hosts a virtual machine (VM) named NYC-VM1.
A critical security update must be applied immediately to NYC-VM1. There is no time to test the update before deployment. You must minimize the amount of time needed to restore the VM. You need to capture the state of NYC-VM1 before you install the critical security update.

What should you do?

From Hyper-V Manager, select NYC-VM1, and then create a checkpoint.

Run the Windows PowerShell command Save-VM NYC-VM1.

Run the Windows PowerShell command Get-VMSnapshot NYC-VM1.

Run the Windows PowerShell command Export-VMSnapshot NYC-VM1.

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