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Oracle 1z0-590 Exam Practice Questions (P. 4)

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Question #16
When using NFS, what technology is used to control locking on the NFS mount?
  1. A
    Oracle VM uses the same DLM (distributed lock manager) for NFS as it does for OCFS2 partitions.
  2. B
    The standard NFS drivers are sufficient to properly lock files in an NFS repository.
  3. C
    Oracle VM ships with the IO-EMU drivers, which provide proper locking for files on an NFS repository.
  4. D
    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 #17
When crating a repository on an iSCSI LUN, how should the LUN be formatted?
  1. A
    The LUN should be formatted with ext3 from every participating node in the cluster.
  2. B
    The LUN should be formatted with ext3 from a single node in the cluster.
  3. C
    The LUN should be formatted with OCFS2 from every participating node in the cluster.
  4. D
    The LUN should be partitioned, and then formatted with OCFS2 from every participating node in the cluster.
  5. E
    The LUN should be formatted with OCFS2 from a single node in the cluster.

Correct Answer:
E
http://linux.cloudibee.com/2013/01/ocfs2-cluster-quick-setup-guide/

Question #18
What task can an Administrator do that a Manager cannot in Oracle VM Manager?
  1. A
    manage server pools
  2. B
    manage servers
  3. C
    manage resources
  4. D
    manage virtual machines
  5. E
    create users and groups
  6. F
    import resources E

Correct Answer:
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.

Question #19
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. A
    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. B
    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. C
    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. D
    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
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 #20
What requirements apply to shared storage on an HA Server Pool?
  1. A
    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. B
    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. C
    t 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. D
    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. E
    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

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