Oracle VM 2 for x86 Essentials Set 1

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Oracle VM 2 for x86 Essentials Set 1

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. ✘ The standard NFS drivers are sufficient to properly lock files in an NFS repository. ✘ Oracle VM ships with the IO-EMU drivers, which provide proper locking for files on an NFS repository. ✘ Oracle VM ships with a DM-NFS server, which runs on the master pool server and handles distributedfile locking for an NFS repository. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

When crating a repository on an iSCSI LUN, how should the LUN be formatted?

The LUN should be formatted with ext3 from every participating node in the cluster. ✘ The LUN should be formatted with ext3 from a single node in the cluster. ✘ The LUN should be formatted with OCFS2 from every participating node in the cluster. ✘ The LUN should be partitioned, and then formatted with OCFS2 from every participating node in thecluster. ✔ The LUN should be formatted with OCFS2 from a single node in the cluster. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

What task can an Administrator do that a Manager cannot in Oracle VM Manager?

manage server pools ✘ manage servers ✘ manage resources ✘ manage virtual machines ✔ create users and groups ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

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 2.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. ✘ The way to grow an Oracle VM 2.x storage repository is to add additional space to therootrepository as needed. A best practice is to only configure additional space when determined it is
needed. ✘ Oracle VM 2.x has a single fixed storage repository. A best practice is to configure therepository with 30%-40% headroom for growth. ✘ The way to grow an Oracle VM 2.x storage repository is to add sub-repositories beneath the rootrepository. A best practice is to provision one or more larger repositories to avoid the management overhead of numerous sub-repositories. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

In Oracle 2.2.x under which directory does each repository create a mount point and what is the name
of subdirectory?

Each repository will create mount point under /OVS, with a directory named using the UUID of the
respiratory. ✘ Each repository will create a mount point under /var/ovs, In a directory named using the UUID oftherepository. ✘ Each repository will create a mount point under /var/ovs/mount, in a directory named using theUUID ofthe repository. ✘ Each repository will create a mount point under /OVS, with a directory named using asequencenumber starting at 0. ✔ Each repository will create a mount point under /var/ovs, with a directory named using asequence number starting at 0. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

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
Either ext3 or OCFS2 should be used to format the shared file system. ✘ 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. ✘ 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. ✘ Each server in the pool must have a connection to the shared storage, using iSCSI or a SAN. OnlyOCFS2 should be used to format the shared file system when using iSCSI or a SAN. ✔ 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. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

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. ✘ A native device driver is used in dom0, and a blkback driver is used in the guest. ✘ A blkfront driver is used in dom0, and a native device driver is used in the guest. ✘ A blkfront driver is used in dom0, and a blkbck driver is used in the guest. ✔ Native drivers are used in both dom0 and the guest. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

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?

/opt/ovs

✘

/var/ovs/mount/root

✘

/var/ovs/mount/OVSROOT

✘

/OVSROOT

✔ /var/OVS ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

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?

The installer has determined that the Oracle application server's (OC4J) minimum requirement for
swap space has not been met. ✘ The installer has determined that the Oracle Database XE server's minimum requirement for swapspace has not been met. ✘ The installer has determined that there is insufficient swap space to unpack the installer into the /varsubdirectory. ✘ The installer has determined that the swap space recognized by the system has beenincorrectly formatted to use TMPFS instead of SWAPFS. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

10.

In a paravirtualized environment, which answer best describes the drivers that are used in domO and
the guest to communicate network I/O requests?

A netback driver is used in dom0, and a netfront driver is used in the guest. ✘ A native device driver is used in dom0, and a netback driver is used in the guest. ✘ A netfront driver is used in dom0, and a native device driver is used in the guest. ✘ A netfront driver is used in dom0, and a blkbck driver is used in the guest. ✔ Native drivers are used in both dom0 and the guest. ✔

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Answer & Solution

Answer: Option B

Solution:

It provides fallback for IE8.

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Oracle VM 2 for x86 Essentials Set 1

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