Section 7 – Establish Service Levels
- Objective 7.5 – Backup and Restore Virtual Machines
QUESTION 48
VMware Data Recovery uses Microsoft Windows Volume Shadow Copy Service (VSS). Which of the follow OS’ does not support VSS?
A.Windows Vista, 32 Bit
B.Windows Server 2008, 32 Bit
C.Windows XP, 32 Bit
D.Windows Server 2003, 32 Bit
Answer: C
Explanation:
VSS is supported on virtual machines with the following guest operating systems:
QUESTION 49
Using VMware Data Recovery, backing up a VM created on a ESX3.5 host will take longer than a VM created on a ESX4 host?
A.True
B.False
Answer: A
Explanation:
VMware Data Recovery Administration Guide Data Recovery 1.1, page 8.
For virtual machines created in vSphere 4.0, the Data Recovery appliance creates a quiesced snapshot of the virtual machine during the backup. The backups use the changed block tracking functionality on the ESX hosts For each virtual disk being backed up, it checks for a prior backup of the virtual disk. It uses the change-tracking functionality on ESX hosts to obtain the changes since the last backup. The deduplicated store creates a virtual full backup based on the last backup image and applies the changes to it.
NOTE These optimizations do not apply to virtual machines created with VMware products prior to vSphere
4.0. For example, change tokens are not used with virtual machines created with Virtual
Infrastructure 3.5 or earlier. As a result, virtual machines created with earlier VMware versions take longer to back up
QUESTION 50
An administrator uses vCenter Data Recovery to make backups of virtual machines.
Checking on the backup jobs run the previous evening, the administrator notices some jobs completed while others did not. Which of the following are possible causes for the failure?
A.Four backup jobs were running simultaneously, causing new jobs to fail to start
B.CPU utilization on one or more ESX Hosts exceeded 90 percent prior to one or more jobs executing
C.Compress the virtual machine files before the backup job runs.
D.Four restore jobs were running simultaneously, causing new jobs to fail to start
Answer: B
Explanation:
VMware Data Recovery Administrator’s Guide, page 7.
Backing Up Virtual Machines
During a backup, Data Recovery creates a quiesced snapshot of the virtual machine.
Deduplication is automatically performed with every backup operation. Data Recovery can concurrently back up a maximum of eight virtual machines. To start multiple backups, CPU utilization must be less than 90 percent.
QUESTION 51
Which of the following is true regarding backups created with Vmware Data Recovery?
A.Backups of ESX 3.x VMs take longer than backups of ESX 4 VMs
B.Backups of ESX 3.x and later VMs take the same amount of time to complete
C.Backups of ESX 3.x VMs are not supported
D.Backups of ESX 3.0 VMs are not supported, but ESX 3.5 VMs are supported
Answer: A
Explanation:
VMware Data Recovery Administration Guide Data Recovery 1.1, page 8.
For virtual machines created in vSphere 4.0, the Data Recovery appliance creates a quiesced snapshot of the virtual machine during the backup. The backups use the changed block tracking functionality on the ESX hosts.
For each virtual disk being backed up, it checks for a prior backup of the virtual disk. It uses the change-tracking functionality on ESX hosts to obtain the changes since the last backup. The deduplicated store creates a virtual full backup based on the last backup image and applies the changes to it.
NOTE These optimizations do not apply to virtual machines created with VMware products prior to vSphere
4.0. For example, change tokens are not used with virtual machines created with Virtual
Infrastructure 3.5 or earlier. As a result, virtual machines created with earlier VMware versions take longer to back up
QUESTION 52
What is the maximum number of backup or restore jobs that VMware Data Recovery can run concurrently?
A.16
B.2
C.8
D.4
Answer: C
Explanation:
VMware Data Recovery Administrator’s Guide, page 7.
Backing Up Virtual Machines
During a backup, Data Recovery creates a quiesced snapshot of the virtual machine.
Deduplication is automatically performed with every backup operation. Data Recovery can concurrently back up a maximum of eight virtual machines. To start multiple backups, CPU utilization must be less than 90 percent.
QUESTION 53
VMware Site Recovery Manager requires which of the following two VMware products as part of the solution (Choose Two)?
A.VMware Data Recovery
B.VMware ESX/ESXi
C.VMware HA
D.VMware vCenter Server
Answer: BD
Explanation:
VMware vCenter Site Recovery Manager 4.0 Evaluator’s Guide, page 9.
VMware vCenter Site Recovery Manager Automated Disaster Recovery.
Site Recovery Manager integrates tightly with VMware vSphere, VMware vCenter Server.
Evaluator’s Guide Site Recovery Manager provides protection for the operating systems and applications encapsulated by the virtual machines running on ESX. A Site Recovery Manager server must be installed at the protected site and at the recovery site. The protected and recovery sites must each be managed by their own vCenter Server.
QUESTION 54
An administrator decides to use vCenter Data Recovery to backup some key virtual machines. Which of the following describes the process needed to install vCenter Data Recovery?
A.Download the OVF and copy it to a datastore that is visible to the managed hosts. Right-click on the .ovf file and choose Add to Inventory
B.Download the OVF and import it using the vSphere Client
C.Run the vCenter installer using Custom as the choice for type of installation then follow the prompts to install the tool.
D.Locate the folder on the vCenter media and install VDR to the vCenter Server
Answer: B
Explanation:
VMware Data Recovery Administration Guide Data Recovery 1.1, page 14.
To install the backup appliance, you must have vCenter Server and an ESX 4.0 or ESXi 4.0 host running in your environment.
1 From the vSphere Client, select File > Deploy OVF Template.
2 Select Deploy from file, and then browse to VmwareDataRecovery_OVF10.ovf and select it.
3 Review the OVF file details.
4 Review the End User License Agreement. If you agree to the terms, accept them.
5 Select a location for the backup appliance in the vSphere inventory.
6 Select the host or cluster to which the backup appliance is to be deployed.
7 Select a datastore to store the virtual machine files.
8 Review the IP address allocation screen.
9 Select a timezone setting.
10 Review the deployment settings and click Finish.
The backup appliance is now deployed into your environment.
QUESTION 55
When backing up a virtual machine using a backup client in the Service Console, which of the following benefits are realized?
A.Load on the ESX Server is reduced
B.Individual virtual machine files can be easily restored
C.Backup time is reduced since the backup occurs in the virtual Ethernet
D.A full virtual machine restore is possible
Answer: D
QUESTION 56
What is the technology VMware Data Recovery uses to back up a Windows 2003 virtual machine?
A.Volume Shadow Copy Service
B.Crash-consistent quiescing
C.LGTO SYNC driver
D.EMC Autostart Manager
Answer: A
Explanation:
VMware Data Recovery.
VSS support. Supports Volume Shadow Copy Service (VSS) to enable consistent backups of virtual machines running Microsoft operating systems and applications.
QUESTION 57
When backing up a virtual machine using a backup server running in another virtual machine on the same ESX Server, which of the following benefits are realized?
A.A full virtual machine restore is possible
B.Backup time is reduced since the backup uses CPU cycles
C.A backup window is not needed
D.Load on the ESX Server is reduced
Answer: B
