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Oracle 1z0-590 Oracle VM 3 for x86 Essentials Exam Practice Test

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Total 141 questions
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Oracle VM 3 for x86 Essentials Questions and Answers

Question 1

You have configured two virtual machines to use 4 shared iSCSI disks. The first VM was configured correctly but when adding the iSCSI disks to the 2nd VM you don’t see any available disk in the list. Identify two steps that might correct this.

Options:

A.

Verify that each of the iSCSI disk have high availability enabled on each of the OVM Server.

B.

Ensure thatyou have multipath to each of the iSCSI disk on the Oracle VM server where the second virtual machine exist.

C.

Verify that LUNs size met the minimum requirement for your application.

D.

Re-scan the physical disk on Oracle server where the 2ndVM isrunning.

E.

Verify that iSCSI disks have been marked as shareable from OVM Manager.

Question 2

A customer is setting up a 32-node Oracle VM server farm. What step will best help load balance the high number of I/O requests for new virtual machines and shared disks?

Options:

A.

Increase the number of Oracle VM Manager instances.

B.

Increase the number of servers with the Server Pool Master role.

C.

Increase the number of servers with the Utility Server role.

D.

Increase the number of servers with the Virtual Machine Server role.

Question 3

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?

Options:

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.

Question 4

If a guest domain is not responding, and powering off the guest through the console does not work, which xm command can be used to kill the guest immediately (equivalent to pulling the power plug)?

Options:

A.

xm shutdown

B.

xm reset

C.

xm destroy

D.

xm delete

E.

xm pause

Question 5

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

Options:

A.

ocfs2

B.

o2cb

C.

ovs-agent

D.

ovsrepositories

Question 6

You are building a new VM template to distribute application software for installing into Oracle VM environment. Which virtualization mode will deliver the best performance on server system that include hardware virtualization support?

Options:

A.

Implementing on physical hardware virtualization using the P2V utilities.

B.

Hardwarevirtualization XEN HVM.

C.

Hypervisor virtualization.

D.

Hardware virtualization with Para-virtualized hardware drivers.

E.

OVM dynamic virtualization.

Question 7

You added a new Oracle VM server to your production server pool recently. Now you are trying to do live migration of server guest to this new server but it does not appear in the list of available Oracle VM servers. What three reasons could explain this?

Options:

A.

The guest does not have the high availability flag enabled.

B.

The new server is in maintenance mode and cannot run any guest in this state.

C.

The guest has been aligned an amount of memory greater than the new server physical memory.

D.

The new server has not been presented to a storage repository containing the guest to be migrated.

E.

The new server does not have IPMP configuration yet.

Question 8

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?

Options:

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.

Question 9

Which three statements describe the relationship between dom0 and domU?

Options:

A.

dom0 and domUcommunicate over Oracle clusterware to provide high availability.

B.

domU is started by dom0 which continuously monitor its status.

C.

dom0 route all network and block I/O requests to domU.

D.

dom0 and domU are restarted after the failure if high availability flag is set.

E.

dom0 crashes also crashes domU.

F.

If there is a network problem in dom0 and it will not affect the domU.

Question 10

The server hosting the Oracle VM manager database repository has an unscheduled outage. What are the two consequences of this issue?

Options:

A.

Virtual machines will continue to run but they cannot be stopped.

B.

Virtual machines will continue to run but they will have limited network access until the repository restored to the services.

C.

Virtual machines will continue to run but Oracle VM manager will not be functional until the manager repository is restored to the services.

D.

Virtual machines will be automatically suspended until the repository restored to services.

E.

The database repository should be restored to service ASAP because degradation in performance and availability of Oracle VM servers and their guest virtual machine will begin to occur.

F.

Certain management functions include template management and vnicmanagement may be extremely difficult or impossible to perform.

Question 11

What information is required to connect to a YUM repository from Oracle Template Builder?

Options:

A.

the URL of the YUM repository only

B.

the URL of the YUM repository and a SHA5 key from Oracle for the repository

C.

the nameand URL of the YUM repository, along with the user name and password for the YUM server's administrator

D.

the name of the YUM repository only

Question 12

What is the role of second item (server: myserver1) in the scenario where a template is being imported into a storage repository?

Exhibit:

Question # 12

Options:

A.

It identifies the storage server where the template exists.

B.

It identifies the server pool master so that the template will be in the proper server pool.

C.

It identifies the virtual machine server that will be used to clone the imported template.

D.

It identifies thedefault virtual machine server for VM creation from the template.

E.

It identifies a server with sufficient local disk to store the template content temporarily.

F.

It identifies the Oracle VM server assign to target repository that extract the template content and transfer it to the designated storage repository.

Question 13

When vitalizing a cluster of Windows 2003 servers on Oracle VM, which virtualization technique should be used?

Options:

A.

Use PV with Microsoft's Windows 2003 64-bit with a paravirtualized kernel

B.

Use HVM witha standard distribution of Windows 2003 and PV drivers.

C.

Use emulation with the IOEMU drivers for better I/O performance.

D.

Oracle VM does not support Windows 2003 Server. Use VirtualBox instead.

E.

Oracle VM does not support Windows 2003 Server. Use Containers instead.

Question 14

Identify the three components of the JeOS tool kit.

Options:

A.

A command line utility to customize and create a system image.

B.

Microsoft template system image.

C.

Oracle Linux template system image.

D.

Red Hat Linux template system image.

E.

The predefined YUM repository of customized RPMs.

F.

Script used to configure and clean up the template.

Question 15

Identify the three statements that correctly describe the use of the job framework and event system in the Oracle VM manager.

Options:

A.

The job framework and event systems are optional which are intend for expert administration who need to automate large complex operation in Oracle VM.

B.

You can suppress events toward excessive notification messages to pages and to emails.

C.

The lock iconthat appears in your object icon in the VM manager indicate that the object is the part of the job. This is a process you cannot perform action on locked object.

D.

Every Oracle VM management action dispatched to an Oracle VM server agent is performed as ajob.

E.

Event provide accountability and an audit trail to identify which job performed by whom, when they were performed and that the status of the operation.

F.

When a job is aborted or fail you must acknowledge the failure to ensure that all the logsby the job are released and system is role backed to its original state.

Question 16

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

Options:

A.

iso_pool

B.

publish_pool

C.

running_pool

D.

seed_pool

E.

sharedDisk

F.

ovs-agent

Question 17

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?

Options:

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.

Question 18

You have just finished successfully upgrading an Oracle VM sever from VM manager GUI. When attempting to migrate some of your VMs back to upgraded server it does not appear in the list of available server. What is the most likely reason?

Options:

A.

There is another update available and it should be applied before you can migrate your VMs.

B.

All the Oracle VM server in the environment should be upgraded before the VMs can migrated to the upgraded server.

C.

The server should be taken out of maintenance mode before you canmigrate any VM back to it.

D.

The server should be move backed to the same server pool as it was prior to the upgrade.

E.

You should update all VMs to re-authorize the upgraded server so that it has permission to run the VMs.

Question 19

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

Options:

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).

Question 20

Which two are true of an NFS repository when used with Oracle VM?

Options:

A.

NFS repositories are excellent for storing guests' root file systems.

B.

NFS is a more expensive option than iSCSI or SAN fabrics.

C.

OCFS2 must be used as the filesystem format for volumes exposed through NFS.

D.

NFS shares mounted directly in a guest require the DM-NFS driver to be installed on the guest.

E.

NFS is supported for use in RAC only when mounted from the guest (not domO).

Question 21

Which statements about Oracle VM agent architecture are accurate?

Options:

A.

Oracle VM agent are daemon processes that automatically initiated when an Oracle VM server is booted.

B.

Oracle VM manager always uses SSH command directly to dom0 on each Oracle VM server when the agent does not respond.

C.

Oracle VM manageris capable of communicating with multiple server pools master server.

D.

Multiple server pools master server should be running 1 active and 1 standby in each server pool to provide redundancy and fault tolerance.

E.

All communication from one agent to other agent with in a server pool routed through the Oracle VM manager.

F.

You can specify using Oracle VM manager which Oracle VM server assist this server pool as master server.

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