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Oracle VM 2 for x86 Essentials

Question No: 21

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. 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. 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.

Answer: E

Question No: 22

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.

Answer: A

Question No: 23

In Oracle VM 2.2.x, what directory will the root repository be symbolically linked to on each Oracle VM Server attached to a storage pool?

  1. /OVS3

  2. /var/ovs/mount/root

  3. /var/ovs/mount/OVSROOT

  4. /OVSROOT

  5. /var/OVS

  6. /opt/ovs

Answer: E Explanation:

The /OVS directory is the cluster root and is a symbolic link mounted to the

/var/ovs/mount/uuid directory. For example, the mount command might display something similar to:

# mount

example.com:/OVS on /var/ovs/mount/F4135C096045458195057412169071E5 type nfs (rw,addr=192.168.2.20)

And the ls command might display something similar to:

# ls -l /OVS

lrwxrwxrwx 1 root root 47 Sep 18 16:15 /OVS -gt;

/var/ovs/mount/F4135C096045458195057412169071E5

Question No: 24

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. The installer has determined that the Oracle application server#39;s (OC4J) minimum requirement for swap space has not been met.

  2. The installer has determined that the Oracle Database XE server#39;s minimum requirement for swap space has not been met.

  3. The installer has determined that there is insufficient swap space to unpack the installer into the /var subdirectory.

  4. The installer has determined that the swap space recognized by the system has been incorrectly formatted to use TMPFS instead of SWAPFS.

Answer: B

Question No: 25

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 netback driver is used in dom0, and a netfront driver is used in the guest.

  2. A native device driver is used in dom0, and a netback driver is used in the guest.

  3. A netfront driver is used in dom0, and a native device driver is used in the guest.

  4. A netfront 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.

Answer: E

Question No: 26

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. /var/log/ovs-agent/ovs_performance.log

  2. /var/log/ovs-agent/ovs_operation.log

  3. /var/log/xen/xend.log

  4. /var/log/xen/xend-debug.log

Answer: C

Question No: 27

Oracle VM Server 2.2 consists of which two software components?

  1. Oracle Database XE

  2. Oracle Enterprise Linux 5.3

  3. Xen Hypervisor

  4. Oracle Containers for Java (OC4J)

  5. Oracle WebLogic Server (WLS)

Answer: B,C

Question No: 28

Which command will add ethO to the bridge xenbr0?

  1. brctl addif xenbr0 eth0

  2. brctl addbr xenbr0 eth0

  3. ifconfig add xenbr0 eth0

  4. netstat -a xenbr0 eth0

  5. if up xenbr0 -a eth0

Answer: B

Question No: 29

What is the effect of running repos.py with the -delete option on an existing repository?

  1. The repository will be unmounted, and the virtual machines will remain on the unmounted volume.

  2. The repository will be unmounted, and all virtual machines on the unmounted volume will be deleted.

  3. The repository will be unmounted, and all virtual machines on the repository will be migrated to other available repositories.

  4. The repository will remain mounted, but all files in the volume will be deleted.

  5. The repository will remain mounted, but it will no longer be available using the repos.py –

-list command.

Answer: B

Question No: 30

A RedHat Enterprise Linux installation with three installation CDs needs to be created. What is the proper way to set up the ISO images?

  1. The ISO images should each be placed in their own subdirectory under/OVS/iso_pool.

  2. The ISO images should be joined into one larger ISO image using the M75cat command, then placed under a subdirectory of/OVS/iso_pool.

  3. The ISO images should all be placed under/OVS/iso_pool, using distinct names to differentiate them.

  4. The ISO images should be placed in one subdirectory under/OVS/seed_pool, named according to the vendor and distribution name.

  5. The ISO images should be placed in one subdirectory under/OVS/iso_pool, named according to the vendor and distribution name.

Answer: A

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