Free Oracle 1Z0-902 Exam Dumps Questions & Answers

Which four actions should you take before proceeding with applying updates to your Exadata Database Machine?

• A.  Run the appropriate patchmgr preqequisite check step for each component being updated.
• B.  Consult My Oracle Support note 888828.1 to determine the current recommended Exadata software release.
• C.  For database servers, perform a server backup using patchmgr -dbnodes db_list_file -backup -rolling.
• D.  Check the Exadata Critical Issues My Oracle Support note 1270094.1 for any issues not added to the latest version of exachk.
• E.  Run exachk and resolve only WARNINGS that you have not seen before.
• F.  Run patchmgr --all_comp -autofix -autobackup -upgrade -rolling.

Exadata X9M enables virtualization using KVM. Which statement is true about virtualization on Exadata X9M?

• A.  Exadata X9M-8 supports up to 48 virtual guests regardless if Exadata Secure RDMA Fabric Isolation is configured.
• B.  Up to 12 virtual guests per X9M-2 database server are supported.
• C.  Virtual guests from X8 and earlier can be migrated to X9M using VM Guard.
• D.  Up to 12 virtual guests per X9M-2 database server are supported. If the database server memory has 384GB and Exadata Secure RDMA Fabric isolation is configured 8 guests are supported
• E.  Oracle KVM Manager should be installed on at least two Database servers per Exadata rack.

You are going to create an ACFS Filesystem for use as a staging area for data loads. Examine the following commands:

What steps and in which order should they be executed?

• A.  6, 3, 1, 9, 7, 8
• B.  6, 8, 3, 4, 2, 1
• C.  6, 1, 2, 7, 5, 8
• D.  6, 2, 1, 8, 4, 5

Which two statements are true about enabling write-back flash cache?

• A.  Write-back flash cache is on by default for High Capacity Storage Servers in High Redundancy configurations.
• B.  When enabling write-back flash cache in a rolling manner, DBCLI should be used to inactivate the grid disks on all cells first.
• C.  Before write-back flash cache is enabled, you need to drop the Flash Cache first.
• D.  When enabling write-back flash cache in a non-rolling manner, you need to drop the Persistent Memory Commit Accelerator (PMEMLog) first.
• E.  Write-back Flash Cache cannot be used on Extreme Flash Storage Servers.

What does the following command do?
root@rul6 -]# for j in {01..23} ; do ipmitool sunoem cli "set /SP/network/test ping=192.168.1.1$j'' ; done

• A.  Verifies that the ILOM management network is working before installation of all storage and database servers in a full rack Exadata X9M-2, run from the first database server.
• B.  Verifies that the ILOM management network is working after OEDA configuration has completed for all storage and database servers in a full rack Exadata X9M-2, run from the first database server.
• C.  Sets the test address for the RoCE network for all storage and database servers in a full rack Exadata X9M-2, run from the first database server.
• D.  Sets the address for each storage and database server's /SP during installation to enable ping testing from the management network, run from the first database server.