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When should you use Hybrid Columnar Compression?

• A.on every table where Advanced Compression is not used
• B.on large active tables where deeper compression is desired
• C.always
• D.on tables or partitions that have fairly static data

Which two migration will result in the least down time for a physical or logical migration of a database with active users during the migration?

• A.using GoldenGate
• B.using incremental cross-platform RMAN restore
• C.using cross-platform transportable tablespaces
• D.using SQL Developer migration tools
• E.using Data Guard Physical Standby

What are two choices that a customer must make that impact diskgroup creation?

• A.Where will disk backups be written?
• B.What OS will be run?
• C.How many databases will run on the cluster?
• D.What is the level of redundancy required?

Identify four significant changes when a backup of Exadata compute nodes must be performed.

• A.installation or reconfiguration of significant non-Oracle software
• B.storage server rebalancing
• C.application of operating system patches
• D.reconfiguration of significant operating system parameters
• E.application of Oracle patches
• F.addition of an Exadata storage expansion rack
• G.before shutdown to preserve storage indexes

Identify three best practices for applying asmdeactivationoutcome es on Exadata Database Servers and Exadata Storage Servers?

• A.Bundle patches do not require testing before being installed on a production system.
• B.Patching should never be interrupted due to a connection drop. It is therefore recommended that you use VNC or the screen utility.
• C.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.
• D.It is recommended that Exadata systems with Data Guard configured use the "Standby First" patching approach.
• E.Database server updates can be rolled back using the the "yum downgrade" procedure.
• F.Backing up database servers and storage cells is not recommended before performing planned maintenance.