Download Oracle VM 3.0 for x86 Essentials.1z0-590.TestKing.2018-10-25.79q.vcex

Vendor: Oracle
Exam Code: 1z0-590
Exam Name: Oracle VM 3.0 for x86 Essentials
Date: Oct 25, 2018
File Size: 749 KB
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Demo Questions

Question 1
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? 
  1. The virtual machine was not exported properly using the Oracle VM Manager.
  2. The virtual machine configuration file needs to be changed to update the new paths to its virtualdisks.
  3. The virtual machine configuration file lists bridges that do not exist on the new host.
  4. The virtual machine has not been registered with Oracle VM yet.
Correct answer: AD
Question 2
Which disk protocol is the default disk type for disks in a paravirtualized guest?
  1. HD (IDE)
  2. SD (SCSI)
  3. XVD
  4. RAW
Correct answer: A
Explanation:
Question 3
When an Oracle VM server starts, by default how does it map physical NICs to Xen bridges?
  1. Each physical NIC is mapped to one or more virtual networks, each of which is assigned a Xen bridge.
  2. One Xen bridge will be created for each physical NIC.
  3. All physical NICs are mapped to a single Xen bridge.
  4. No mapping of physical NICs to Xen bridges is done by default.
  5. The first physical NIC is assigned to dom0's management; a Xen bridge is then created for each of the remaining cards.
Correct answer: B
Question 4
In hardware virtualized environment, which answer best describes the drivers that are used in dom0 and the guest to communicate block I/O requests?
  1. QEMU emulation is used in dom0, and a blkfront driver is used in the guest.
  2. A native device driver is used in dom0, and QEMU emulation is used in the guest.
  3. A blkfront driver is used in dom0, and a blkback driver is used in the guest.
  4. QEMU emulation is used in dom0, and a native device driver is used in the guest.
  5. Native drivers are used in both dom0, and the guest.
Correct answer: A
Question 5
When using NFS, what technology is used to control locking on the NFS mount?
  1. Oracle VM uses the same DLM (distributed lock manager) for NFS as it does for OCFS2 partitions.
  2. The standard NFS drivers are sufficient to properly lock files in an NFS repository.
  3. Oracle VM ships with the IO-EMU drivers, which provide proper locking for files on an NFS repository. 
  4. Oracle VM ships with a DM-NFS server, which runs on the master pool server and handles distributed file locking for an NFS repository.
Correct answer: A
Question 6
When crating a repository on an iSCSI LUN, how should the LUN be formatted?
  1. The LUN should be formatted with ext3 from every participating node in the cluster.
  2. The LUN should be formatted with ext3 from a single node in the cluster.
  3. The LUN should be formatted with OCFS2 from every participating node in the cluster.
  4. The LUN should be partitioned, and then formatted with OCFS2 from every participating node in the cluster.
  5. The LUN should be formatted with OCFS2 from a single node in the cluster.
Correct answer: E
Explanation:
http://linux.cloudibee.com/2013/01/ocfs2-cluster-quick-setup-guide/
http://linux.cloudibee.com/2013/01/ocfs2-cluster-quick-setup-guide/
Question 7
What task can an Administrator do that a Manager cannot in Oracle VM Manager?
  1. manage server pools
  2. manage servers
  3. manage resources
  4. manage virtual machines
  5. create users and groups
  6. import resources
Correct answer: E
Explanation:
Oracle VM Manager can manages the server pools, resources, virtual machines and also it can import resources but it cannot create the users and groups.
Oracle VM Manager can manages the server pools, resources, virtual machines and also it can import resources but it cannot create the users and groups.
Question 8
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?
  1. 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.
  2. The way to grow an Oracle VM 3.x storage repository is to add additional space to the rootrepository as needed. A best practice is to only configure additional space when determined it is needed.
  3. Oracle VM 3.x has a single fixed storage repository. A best practice is to configure the repository with 30%-40% headroom for growth.
  4. The way to grow an Oracle VM 3.x storage repository is to add sub-repositories beneath the root repository. A best practice is to provision one or more larger repositories to avoid the management overhead of numerous sub-repositories.
Correct answer: A
Explanation:
You can use the split technology to split your partitions as a 2 GB space and can define the max size and when needed Oracle VM can automatically add the more storage there and also you can modify the max size of the storage repository.
You can use the split technology to split your partitions as a 2 GB space and can define the max size and when needed Oracle VM can automatically 
add the more storage there and also you can modify the max size of the storage repository.
Question 9
What requirements apply to shared storage on an HA Server Pool? 
  1. Each server in the pool must have a connection to the shared storage, using NFS, ISCSI or a SAN Either ext3 or OCFS2 should be used to format the shared file system.
  2. Each server in the pool must have a connection to the shared storage, using NFS, (SCSI or a SAN. Either gfs or OCFS2 should be used to format the shared file system.
  3. At least one server in the pool must have a connection to the shared storage, using iSCSI or a SAN. Either ext3 or OCFS2 should be used to format the shared file system.
  4. Each server in the pool must have a connection to the shared storage, using iSCSI or a SAN. Only OCFS2 should be used to format the shared file system when using iSCSI or a SAN.
  5. 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.
Correct answer: E
Question 10
In a paravirtualized environment, which answer best describes the drivers that are used in domO and the guest to communicate block I/O requests?
  1. A blkback driver is used in dom0, and a blkfront driver is used in the guest.
  2. A native device driver is used in dom0, and a blkback driver is used in the guest.
  3. A blkfront driver is used in dom0, and a native device driver is used in the guest.
  4. A blkfront driver is used in dom0, and a blkbck driver is used in the guest.
  5. Native drivers are used in both dom0 and the guest.
Correct answer: A
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