1Z0-590 - Oracle VM 3.0 for x86 Essentials
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How many questions are there on the 1Z0-590 exam?
There are 72 questions on the 1Z0-590 exam to be completed in 120 minutes.
How long is the 1Z0-590 exam?
The 1Z0-590 exam is 120 minutes to complete 72 questions.
How much does the 1Z0-590 exam cost?
The 1Z0-590 exam is $245. The exam provider is Pearson Vue and you can register for the exam on their website.
What is the best way to study for the 1Z0-590 exam?
The best way to study for the 1Z0-590 exam is to practice at Exam.com.
What two steps would best harden an Oracle VM Server installation?
Avoid installing additional software in dom0.
Do not share physical network cards between hosts that are on a different subnet.
When setting up a server pool, enabling what option will persist the IP address of a server pool master after an HA failover?
What is the effect of running repos.py with the --delete option on an existing repository?
The repository will be unmounted, and all virtual machines on the unmounted volume will be deleted.
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)?
A RedHat Enterprise Linux installation with three installation CDs needs to be created. What is the proper way to set up the ISO images?
The ISO images should each be placed in their own subdirectory under/OVS/iso_pool.
As you are grouping workloads into server pools, you decide you want to use network traffic as one of your criteria. Which answer describes how Network QoS (Quality of Service) might apply?
throttles (restricts) the inbound and outbound network traffic for a virtual machine vif
Oracle VM Server 2.2 consists of which two software components?
Oracle Enterprise Linux 5.3
You have a large number of virtual machines that need access to a storage repository. Which answer describes the factors you use to determine your storage repository strategy?
Oracle VM 3.x has multiple identical storage repositories. Additional identical repositories can be added as needed. A best practice is to select a medium size for the repository based on your usage.
A low priority guest is using up more of the physical network traffic than desired. Select the two valid network QoS settings for restricting outbound network traffic?
What are the correct steps for doing a V2V conversion?
1. Copy the entire virtual machine directory for the guest to be converted to the running_pool directory. 2.Open Oracle VM Manager to the Import Virtual Machines page. 3. Click the Import button and choose Select from Server Pool. 4. Select the server pool and virtual machine image name.
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?
The virtual machine was not exported properly using the Oracle VM Manager.
The virtual machine has not been registered with Oracle VM yet.
Which two hardware requirements exist for an HA-enabled server pool with Live Migration?
Each server in the pool must have similar processors, specifically vendor, family and steppings.
Each server in the pool must be connected to shared storage.
Which disk protocol is the default disk type for disks in a paravirtualized guest?
What is the purpose of the use "command" In the CLI?
Use a specified server pool as the default for all commands requiring a server pool argument.
Which statement best describes the pricing metric for Oracle VM configurations?
Oracle VM Server license and support contract is purchased for each server. Oracle VM Manager is included at no charge.
How can you tell that a virtual network interface in a virtual machine is set up to use Paravirtualization?
The vm.cfg file will have a vif = [type=netfront] setting.
What two steps are required to ensure that virtual machines failover to a new server when their current server goes down?
Ensure that the Oracle VM Manager is always available by installing Oracle Clusterware.
Turn on High Availability Mode in the server pool.
What two steps can be used to create a highly available storage repository?
Turn on HA in the storage pool to create a redundant backup of virtual machines hosted in thatstorage pool.
Use Oracle Clusterware to create multiple paths to a SAN LUN.
There is an issue booting into a virtual machine. The log files show that there is an issue during the Linux boot process of the guest. What two methods will best help determine the problem?
Use xm console to attach to the guest while it is booting and look for the specific error.
Run xm dmesg to see hardware errors in the guest.
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?
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 of communicating in this manner.
What three artifacts are created as a result of running the JeOS tool?
a System.img file representing the operating system
a vm.cfg file pointing to the created images, along with specified memory and CPU information
a tar.gz file with all of the images, README and vm.cfg files compressed
In hardware virtualized environment, which answer best describes the drivers that are used in dom0 and the guest to communicate block I/O requests?
QEMU emulation is used in dom0, and a blkfront driver is used in the guest.
Customers looking for pre-tested, validated architectures, with documented best practices for software, hardware, storage, and network components should consider which Oracle offering?
Oracle Validated Configuration
A customer decides to use 2 large servers to load balance a mix of large and small virtual machines. Each server has 64GB of RAM and 8 quad-core CPUs. There are 14 virtual machines, 6 of which use 12GB of virtual memory and 16 vCPU each, and the remaining 8 use 2GB and 4 vCPUs each. What two issues will the customer likely discover when one of the servers fails?
Not all of the virtual machines on the failed server will be able to restart on the remaining serverdue to lack of vCPUs.
When an Oracle VM server starts, by default how does it map physical NICs to Xen bridges?
One Xen bridge will be created for each physical NIC.
A customer wants to use hard partitioning with Oracle VM to restrict the number of cores that can be used by a virtual machine to four cores. Which method will best accomplish that goal?
Modify the vcpus line in vm.cfg to read: vcpus=4.
A new shared virtual disk is created by the Administrator and placed in a group named Development. A user with Development as a group creates a new virtual machine but cannot see the new shared disk when trying to attach it using the Oracle VM Manager. What is the problem?
The Administrator needs to make the shared virtual disk public before it can be seen by members of the Development group.
A customer has installed Oracle VM Manager from the Oracle-provided template onto a server pool of ten servers. As additional VMs are being added, the user interface for the Oracle VM Manager application is becoming slow. What is the problem?
The Oracle VM Manager guest does not have the HA flag set, and is therefore not being moved to a server with sufficient capacity.
When setting up an iSCSI repository, what three steps must be completed before running the repos.py commands?
The iSCSI LUN must be formatted with the OCFS2 file system.
The iscsi-adm service must be installed and running.
The iSCSI daemon must be installed and running.
Which two statements describe Oracle Validated Configurations?
Oracle Validated Configurations are potential examples of hardware and software configurations whose specifications are validated by Oracle.
What two benefits can be derived from having multiple utility servers?
A second utility server can be configured to switch to a Server Pool Master role if no more ServerPool Masters are available.
A second utility server can help load balance high I/O loads.
A software vendor is using JeOS to create new templates for their product. They need to provide a simple way to reset their templates to the initial configuration for testing purposes. What method should they use to accomplish this?
Use cleanup scripts to reset the IP addresses, remove files from temp directories, and replace application configuration files with defaults.
Which command will add ethO to the bridge xenbr0?
brctl addbr xenbr0 eth0
Which two are characteristics of block I/O in a fully hardware virtualized configuration?
The virtual machine relies on emulation of the hardware in dom0 for block I/O.
The virtual machine I/O path includes the native block device drivers from the guest operatingsystem.
What two configuration files are associated with an OCFS2 cluster?
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?
The user has not selected the appropriate ISO Group on the Import form.
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?
Use xm dmesg to see messages logged during the booting of the Xen hypervisor.
What is the effect of running a server pool restores?
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.
When using NFS, what technology is used to control locking on the NFS mount?
Oracle VM uses the same DLM (distributed lock manager) for NFS as it does for OCFS2 partitions.
What requirements apply to shared storage on an HA Server Pool?
Each server in the pool must have a connection to the shared storage, using NFS, iSCSI or a SAN. Only OCFS2 should be used to format the shared file system when using iSCSI or a SAN.
In a paravirtualized environment, which answer best describes the drivers that are used in domO and the guest to communicate block I/O requests?
A blkback driver is used in dom0, and a blkfront driver is used in the guest.
When vitalizing a cluster of Windows 2003 servers on Oracle VM, which virtualization technique should be used?
Use HVM with a standard distribution of Windows 2003 and PV drivers.
In which directory should an Oracle VM guest be placed In order to Import It as a virtual machine?
In an emulated/translated environment with ten guests, each operating at lOOOHz clock rate, how many interrupts will be created per second?
Describe the certification process for Oracle products on Oracle VM.
Oracle products that run on supported platforms are certified immediately upon release. Oracle products on non-supported platforms are certified on a case-by-case basis.
After installing the PV drivers into a Windows guest, the networking fails on reboot. What is likely wrong?
The network type has not been changed from Fully Virtualized to Paravirtualized (the netfront driver is not specified in vm.cfg).
What is the correct sequence for importing a P2V image?
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 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.
Which three attributes of an existing virtual disk can be changed using Oracle VM Manager?
Hard Drive Type
A number of high priority virtual machines require significant file system access and you are trying to decide what type of memory impact on dom0 they will have. Which two are best practices you should consider for memory use in dom0?
You should always run a find command on dom0 to fill the file system buffer cache for bestperformance.
When increasing load with additional virtual machines, you should always add more memory todom0.
In hardware virtualized environment, which answer best describes the drivers that are used in dom0 and the guest to communicate network I/O requests?
A netfront driver is used in dom0, and a netback driver is used in the guest.