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  • Exam Name: Oracle VM 3 for x86 Essentials
  • Last Update: May 29, 2024
  • Questions and Answers: 141
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1z0-590 Practice Exam Questions with Answers Oracle VM 3 for x86 Essentials Certification

Question # 6

A virtual machine is needed once per week to run reports, but the rest of the time it Is idling. What method will unallocate resources such as CPU and memory, while keeping the virtual machine intact and ready for rapid re-deployment?

A.

Pause the virtual machine when not in use, then unpause it when needed.

B.

Suspend the virtual machine when not in use, then resume it when needed.

C.

Live migrate the virtual machine to a spareserver when not in use, then live migrate it back when needed.

D.

Power off the virtual machine when not in use, then power it back up when needed.

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Question # 7

A virtual machine is copied onto portable media and transferred to another machine In a different server pool. The virtual machine is then run on the new host, but it falls to boot. What are two potential problems?

A.

The virtual machine was not exported properly using the Oracle VM Manager.

B.

The virtual machine configuration file needs to be changed to update the new pathsto its virtualdisks.

C.

The virtual machine configuration file lists bridges that do not exist on the new host.

D.

The virtual machine has not been registered with Oracle VM yet.

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Question # 8

What two attributes of a virtual machine are not available on the Oracle VM Manager Home screen when the virtual machine is currently powered down?

A.

Memory Size

B.

Server Name

C.

VNC Port

D.

Server Pool Name

E.

Owner

F.

Number of Virtual CPUs

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Question # 9

You are installing the Solaris 11 OVM template downloaded from Oracle edelivery site. You have previously imported and installed these templates with success on another server. However, when you attempt to start the newly imported virtual machine it through an error indicating that HVM is required for this operation and virtual machine fails to start. There are currently two Para-virtualized VM are already running on the Oracle VM server where the failure is occurring. Which two explanations and situations might remedy this problem?

A.

Download might be corrupt. Download the template again and attempt the import or use a copy of the template that was previously imported.

B.

Virtual machine is configured improperly. Navigate to edit the virtual machine setting. In the Oracle VM manager on the first pagechange the domain type from XEN PVM to XEN HVM using the pull down menu and then start the machine.

C.

Hardware virtualized CPU extension VT-X or AMD-V are not enabled is the machine BIOS setting. Enable the feature in the BIOS for virtualization support and to enable the virtual machine to start.

D.

The imported template is not compatible with the OVM server. Locate the vm.conf file for the Solaris VM edit the file and add the line “builder=HVM” save the file and start the VM.

E.

Server does not support the hardware virtualization. Build the Solaris VM on the server that support hardware virtualization.

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Question # 10

How can you tell that a virtual network interface in a virtual machine is set up to use Paravirtualization?

A.

The vm.cfg file will have axenbrX = [type=netfront]setting.

B.

The vm.cfg file will have avif = [type=netpv]setting.

C.

The vm.cfg file will have avif = [type=netfront]setting.

D.

The vm.cfg file will have axenbrX? ttype=pvfront]setting.

E.

The vm.cfg file will have axenbrX = [type=netpv]setting.

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Question # 11

What is the effect of running a server pool restores?

A.

When you restore a server pool, all the data stored In the Oracle VM Manager database isdeleted, and the data in the server pool master and virtual machine servers is used to restock the database.

B.

When you restore a server pool, all servers are removed from the pool, and the data in the database is removed, restoring the server pool to its initial state.

C.

When you restore a server pool, all the data stored in the server pool master will be deleted, and will be synchronized with the latest information from the Oracle VM Manager database. The server pool master is responsible for updating the individual Oracle VM servers' agent databases.

D.

When you restore a server pool, a signal is sent out to each server in the pool, which responds swith the current state of all of the virtual machines it hosts. This data is used to restore the data in the Oracle VM database.

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Question # 12

When setting up an iSCSI repository, what three steps must be completed before running the repos.py commands?

A.

The iSCSI LUN must be formatted with the OCFS2 file system.

B.

Theiscsi-adm service must be installed and running.

C.

The iSCSI daemon must be installed and running.

D.

Multipathing must be configured and the multipath daemon must be running.

E.

The iSCSI LUNs must be mapped to local devices.

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Question # 13

For what reason would you download and install OVM Server 3.0.2 SDK template from Oracle VM template website?

A.

These templates provide development tools (such as gcc, ld, make) that are installed directly into Oracle VM dom0.

B.

You want to customize your Oracle VM server with additional public software download from the internet.

C.

You will need this running if you enter any service request to Oracle support services concerning your Oracle VM server.

D.

You wish to provide an Oracle VM template development environment for Microsoft into guest to your development team.

E.

You are a network hardware partner working with Oracle and need to compile a third party driver for a network interface card to integrate it into Oracle VM server but Oracle VM dom0 does not provide development tool.

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Question # 14

After installing the PV drivers into a Windows guest, the networking fails on reboot. What is likely wrong?

A.

The network type has not been changed from Paravirtualized to Fully Virtualized (the ioemu driver is not specified in the vm.cfg).

B.

After install thePV drivers, the MAC address of the network interfaces must be changed in vm.cfg.

C.

After installing the PV drivers, the bridge setting in vm.cfg is lost and must be reset.

D.

The network type has not been changed from Fully Virtualized to Paravirtualized(the netfront driver is not specified in vm.cfg).

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Question # 15

A server with 16GB of RAM is only showing 8GB available after boot, but before running any virtual machines. What method will best find the issue?

A.

Look in /var/log/xen/xend.log for hardware-related messages.

B.

Use xm dmesg to see messages logged during the booting of the Xen hypervisor.

C.

Use dmesg to see messages logged duringthe booting of dom0.

D.

Look in /var/log/xen/xend-debug.log for hardware-related messages.

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Question # 16

Which two configuration files specify the cluster stack, boot cluster and network settings for the OCFS2 duster?

A.

/etc/ocfs2/cluster.conf

B.

/etc/sysconfig/ocfs2

C.

/etc/sysconfig/cluster.conf

D.

/etc/sysconfig/o2cb

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Question # 17

When a domain is live migrated, what resources are migrated between the source and target servers?

A.

First the VM files are migrated between the servers, then the memory, then the CPU registers.

B.

First the VM files are migrated between the servers, then the memory.

C.

First the memory is migrated between the servers, and then the CPU registers.

D.

Only memory is migrated.

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Question # 18

In which two of the following, disk multipathing enabled for a block device on an Oracle VM server?

A.

When local disks are added.

B.

When iSCSI disks are attached.

C.

When fiber channel disks are attached.

D.

When a new NFS repository is added.

E.

When a virtual disk is added to a guest virtual machine.

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Question # 19

Which two statements describe Oracle Validated Configurations?

A.

Oracle Validated Configurations provide testing of a "completecomponent stack" andrecommendations on versions, settings, and fixes for the particular stack (software, hardware, and storage) based on running workloads in Oracle's or a partner's test lab.

B.

Oracle Validated Configurations are a mandatory step in Oracle's certification process.

C.

Oracle Validated Configurations are working samples of hardware and software configurations in an Oracle VM environment.

D.

All validated configurations must be run in Oracle's lab.

E.

Oracle Validated Configurations are potential examples of hardware and software configurations whose specifications are validated by Oracle.

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Question # 20

An Oracle VM Server is continually losing its connection to the repository. What service is responsible for maintaining timeouts for the OCFS2 cluster stack?

A.

ocfs2

B.

o2cb

C.

ovs-agent

D.

ovsrepositories

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Question # 21

Which three statements are true about the server pool file system and creating a cluster server pool?

A.

It is ZFS formatted partition or container.

B.

It is OCFS2 formatted partition or container.

C.

It must be a local disk partition.

D.

It store cluster information.

E.

It is used for global disk heartbeat.

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Question # 22

In order to import a VM template into an Oracle VM storage repository using the Oracle VM Manager where should the template be staged?

A.

In the import directory of the shared storage repository.

B.

In the Server pool repository.

C.

On another mounted file system accessible to Oracle VM manager.

D.

On a web server supporting HTTP HTTPS orFTP protocol.

E.

In any directory on the Oracle VM manager host system.

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Question # 23

In one Oracle VM server you have 5 hardware virtualized guests in a running state. How many QEMU-DM background processes should you see running?

A.

One. For devices emulation on this server regardless of how many hardware virtualized guests are running.

B.

Two. One of the handled CPU emulation and one for the devices emulation.

C.

Four. One master oneslave process for CPU emulation. One master one slave process for devices emulation.

D.

Five. One for each virtual machine.

E.

None. QEMU-DM background processes are not used for hardware virtualized guests.

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Question # 24

The Oracle VM administrator is having issues shutting down a virtual machine. Which log file will best help troubleshoot whether the shutdown command is being successfully executed on the target server?

A.

/var/log/ovs-agent/ovs_performance.log

B.

/var/log/ovs-agent/ovs_operation.log

C.

/var/log/xen/xend.log

D.

/var/log/xen/xend-debug.log

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Question # 25

In an emulated/translated environment with ten guests, each operating at lOOOHz clock rate, how many interrupts will be created per second?

A.

1

B.

100

C.

1,000

D.

10,000

E.

100,000

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Question # 26

What happens to a virtual machine running on a clustered Oracle VM server when the server crasher?

A.

It is restarted on another server in the server pool if it has the highavailability flag enabled.

B.

It remains down until the administrator restarted it on another server in the server pool if high availability flag in enabled.

C.

It is live migrated to another server in the server pool regardless of high availability flag setting.

D.

It is live migrated to another server in the server pool only if the high availability flag is enable.

E.

It is restarted on another server in the server pool regardless of high availability flag setting.

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Question # 27

After configuring a DRS policy in your Oracle VM environment you decide to test it by forcing one of your guest to 100% CPU utilization. After 5 minutes nothing happens. List two possible reasons for this.

A.

You left the monitoring period at default 10 minutes and Oracle VM has not gathered the second performance samples.

B.

You have not told Oracle VM manager to start gathering performance matrix which is related to compare for the sample against.

C.

Even though the guest CPU utilization is above the DRSCPU threshold it was not enough to bring the VM CPU utilization above the threshold.

D.

You should not publish the policy to all over the Oracle VM servers yet so they don’t know what the thresholds are.

E.

The DRS policy updated is in direct conflict with the default DPM policy. You should correct this before continuing.

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Question # 28

What is the primary use of a onetime boot script include in a customer template?

A.

To display any necessary copyxxxxx notice and term of use.

B.

To validate the template setting and software to ensure the template meets all requirements.

C.

To cleanup any tmp files left over in template creation.

D.

To assign the hostname, IP addresses, netmaskand software dependent configuration setting.

E.

To reset the template to a first use state so that the /etc/init.d/network script can ask for the customer setting.

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Question # 29

Which three statements concerning Oracle virtual assembly builder are correct?

A.

All components of Oracle virtual assembly builder are accessible from a tab in OracleVM manager.

B.

Oracle virtual assembly builder manage the full life cycle of assemblies including introspection, configuration, preparation and development.

C.

Standard resources (such as mail, printer, identity management etc.) all servers must be manually configured of the e-submit development is complete.

D.

Assembles are comprised of interrelated software appliances along with metadata catalog that describes their relationship.

E.

Assemblies promote rapid development, lower operation cost and simple implementation of the best practices.

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Question # 30

A customer is running an existing server farm of open source Xen servers running the same version of Xen as Oracle VM 2.2. The customer would like to manage these servers with Oracle VM.

What is the best reason that this will not be possible?

A.

Oracle VM's Xen implementation uses a different disk format for virtual machines than open source Xen, so live migration of virtual machines will notwork between the existing Xen implementation and Oracle VM.

B.

Oracle VM employs a layer of technology on top of Xen that enables remote management through Oracle VM Manager or Oracle Enterprise Manager. The existing Xen servers are incapable ofcommunicating in this manner.

C.

Oracle VM uses a forked Xen distribution, so although the version numbers are the same, the behavior of the virtual machines at run time will be different.

D.

Oracle VM uses a highly proprietary protocol format for Live Migration that enables strongencryption. Standard Xen servers will not be able to live migrate to the Oracle VM servers, or vice versa.

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Question # 31

When registering an NFS file server you are requested to enter the access host hostname or IP address. What is the function of the access host?

A.

It is the server in the server pool that will perform all I/O operations on the file system.

B.

It is theNFS server that provide access to one or more shares.

C.

It is the iSCSI server that will manager one or more LUNs.

D.

It is the security server that will prevent unauthorized server pool members from accessing this share.

E.

It is the admin server for this share.

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Question # 32

A 64-bit Windows XP Installation CD has been ripped to an ISO file named WinXP.iso, and has been put in the /OVS/iso_pool/ directory with user and group-readable permissions. When navigating to the Import ISO screen in the Oracle VM Manager, no ISOs are available for import.

What has gone wrong?

A.

64-bit Windows XP is not a supported guest operating system, and the Oracle VM Manager will not show unsupported guest ISO files.

B.

The user has not selected the appropriate ISO Group on the Import form.

C.

The ISO file should be located under a subdirectory of /OVS/iso_pool, not the /OVS/iso_pool directory itself.

D.

The ISO file should be located under/OVS/seed_pool, not/OVS/iso_pool.

E.

The ISO file must have world-readable permission to be read by Oracle VM.

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Question # 33

What command will show the current status of all Oracle VM Agent components?

A.

service ovs status

B.

xm show ovs-agent

C.

service ovs-agent status

D.

repos.py -1

E.

xm dmesg

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Question # 34

What is the correct sequence for importing a P2V image?

A.

1. Insert Oracle VM Manager disk into server to be converted.2. Boot server and type linux p2v at the bootprompt.3. Configure settings for virtual machine import.4. In Oracle VM Manager, go to the Virtual Machine Images page and click on Import.5. Enter information on the virtual machine, then give the IP address of the server to be imported

B.

1. InsertOracle VM Manager disk into server to be converted.2. Boot server and type linux p2v at the boot prompt.3. Configure settings for virtual machine import.4. Wait for the conversion to finish, then go to the Oracle VM Manager.5. Enter information on thevirtual machine, then give the IP address of the server to be imported.

C.

1. Insert Oracle VM Server disk into server to be converted.2. Boot server and type linux p2v at the boot prompt.3. Configure settings for virtual machine import.4. In Oracle VMManager, go to the Virtual Machine Images page and click on Import.5. Enter information on the virtual machine, then give the IP address of the server to be imported.

D.

1. Insert Oracle VM Server disk into server to be converted.2. Boot server and type linux p2v at the boot prompt.3. Configure settings for virtual machine import.4. Wait for the conversion to finish, then open a browser to the IP address of the server being converted.5. On the page presented, select the server pool to be targeted.

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Question # 35

What log file would you check if you were notified that the Oracle VM agent was down in one of your server?

A.

/var/log/agent.log on the Oracle VM manager.

B.

/var/log/messages on the Oracle VM server.

C.

/var/log/ovm.log on the Oracle VM server.

D.

/var/log/ovm.log on the Oracle VM manager server.

E.

/var/log/ovsagent.log on the Oracle VM server.

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Question # 36

What is the effect of running repos.py with the —delete option on an existing repository?

A.

The repository will be unmounted, and the virtual machines will remain on the unmounted volume.

B.

The repository will be unmounted, and all virtual machines on the unmounted volume will be deleted.

C.

The repository will be unmounted, andall virtual machines on the repository will be migrated to other available repositories.

D.

The repository will remain mounted, but all files in the volume will be deleted.

E.

The repository will remain mounted, but it will no longer be available using therepos.py --list command.

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Question # 37

What two benefits can be derived from having multiple utility servers?

A.

A second utility server can providea backup in case the main utility server dies.

B.

Only one utility server is allowed per server pool.

C.

A second utility server can be configured to switch to a Server Pool Master role if no more ServerPool Masters are available.

D.

A second utility server can help load balance high I/O loads.

E.

A second utility server is only needed if HA is turned on. In that case, it can provide a backup in case the main utility server dies

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Question # 38

What two steps would best harden an Oracle VM Server installation?

A.

Avoid installing additional software in dom0.

B.

Enable firewalling in dom0.

C.

Install virus checking software in dom0.

D.

Use Trusted Computing Modules for Xen0.

E.

Do not share physical network cards between hosts that are on a different subnet.

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Question # 39

When would you define the value for priority and process cap % when using Oracle VM manager?

A.

When editing a server pool policy.

B.

When adding a new server to server pool.

C.

When creating a new VM.

D.

When adding a new server storage.

E.

When define the VLAN group.

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Question # 40

In Oracle VM 2.2.x, which subdirectory of the root repository is used to store virtual machines imported using the P2V tool?

A.

iso_pool

B.

publish_pool

C.

running_pool

D.

seed_pool

E.

sharedDisk

F.

ovs-agent

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Question # 41

What two steps are required to create a root repository in an Oracle VM server pool?

A.

Use the repos.py command with the --new option, along with either a device path or an nfs path.

B.

Use the repos.py command with the --new option, along with the UUID assigned to the repository.

C.

Use the repos.py command with the--newoption, along with the UUID assigned to the repository and a device path.

D.

Use the repos.py command with the path. —root option, along with either a device path or an nfs path.

E.

Use the repos.py command with the--root option, along with the UUID assigned to the repository.

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Question # 42

Which three attributes of an existing virtual disk can be changed using Oracle VM Manager?

A.

Virtual Disk N

B.

Virtual Disk Size

C.

Hard Drive Type

D.

QoS Enabled

E.

Priority Class

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