1Z0-485Oracle Exadata Database Machine
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1Z0-485 Online Practice Questions and Answers
Identify three best practices for applying asmdeactivationoutcome es on Exadata Database Servers and Exadata Storage Servers?
A. Backing up database servers and storage cells is not recommended before performing planned maintenance.
B. Database server updates can be rolled back using the the "yum downgrade" procedure.
C. Bundle patches do not require testing before being installed on a production system.
D. It is recommended that Exadata systems with Data Guard configured use the "Standby First" patching approach.
E. Patching should never be interrupted due to a connection drop. It is therefore recommended that you use VNC or the screen utility.
F. Before patching cells in a rolling manner, you must check asmdeactivationoutcome amModestatus and make sure that cells on all disks are online and that disks can be deactivated.
Identify the correct steps required to upgrade a 1/8th rack of Exadata to a 1/4th rack.
A. Remove the doors of the 1/8th rack. Add the new servers. Cable the Database Servers in the rack. Cable the Exadata Storage Servers in the rack. Close the rack.
B. Activate all cores by using a software command. Activate all hard drives and flash drives. Create the grid disks. Expand the Oracle ASM diskgroups. Review the new configuration.
C. Remove the doors of the 1/8th rack. Add an additional Sun Datacenter InfiniBand Switch. Add the new servers. Cable the Database Servers in the rack. Cable the Exadata Storage Servers in the rack. Close the rack. Configure the new hardware.
D. Activate all cores by using a software command. Activate all hard drives and flash drives.
You are concerned about how recovery from a failed Exadata Storage Server would work. Which statement is true about the Exadata CELLBOOT USB?
A. Exadata automatically copies OS binaries and configuration files from another cell during patching to sync the internal USB.
B. Regular Exadata Storage Server patches make sure that the internal USB is updated so that it can be used for recovery.
C. Changes to network configuration files are possible without using ipconf.pl as long as all relevant files are updated.
D. Some space from the CELLBOOT USB is used for cache metadata when write back flash cache is enabled.
E. Each patch that is performed on Exadata storage servers requires manual resync of the CELLBOOT USB.
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