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Oracle 1z0-590 Exam Practice Questions (P. 5)

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Question #21
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
    A blkback driver is used in dom0, and a blkfront driver is used in the guest.
  2. B
    A native device driver is used in dom0, and a blkback driver is used in the guest.
  3. C
    A blkfront driver is used in dom0, and a native device driver is used in the guest.
  4. D
    A blkfront driver is used in dom0, and a blkbck driver is used in the guest.
  5. E
    Native drivers are used in both dom0 and the guest.

Correct Answer:
A

Question #22
During installation of Oracle VM Manager to a new Oracle Enterprise Linux server, the installer fails with a message indicating that there is insufficient swap space.
What is the cause for this error?
  1. A
    The installer has determined that the Oracle application server's (OC4J) minimum requirement for swap space has not been met.
  2. B
    The installer has determined that the Oracle Database XE server's minimum requirement for swap space has not been met.
  3. C
    The installer has determined that there is insufficient swap space to unpack the installer into the /var subdirectory.
  4. D
    The installer has determined that the swap space recognized by the system has been incorrectly formatted to use TMPFS instead of SWAPFS.

Correct Answer:
B

Question #23
In a paravirtualized environment, which answer best describes the drivers that are used in domO and the guest to communicate network I/O requests?
  1. A
    A netback driver is used in dom0, and a netfront driver is used in the guest.
  2. B
    A native device driver is used in dom0, and a netback driver is used in the guest.
  3. C
    A netfront driver is used in dom0, and a native device driver is used in the guest.
  4. D
    A netfront driver is used in dom0, and a blkbck driver is used in the guest.
  5. E
    Native drivers are used in both dom0 and the guest.

Correct Answer:
A
http://mokumsolutions.com/chapter-2-oracle-vm-x86-reference-design-and-architectural-introduction

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?
  1. A
    /var/log/ovs-agent/ovs_performance.log
  2. B
    /var/log/ovs-agent/ovs_operation.log
  3. C
    /var/log/xen/xend.log
  4. D
    /var/log/xen/xend-debug.log

Correct Answer:
C

Question #25
Oracle VM Server 2.2 consists of which two software components?
  1. A
    Oracle Database XE
  2. B
    Oracle Enterprise Linux 5.3
  3. C
    Xen Hypervisor
  4. D
    Oracle Containers for Java (OC4J)
  5. E
    Oracle WebLogic Server (WLS)

Correct Answer:
BC

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