Online Access Free 1z1-485 Exam Questions

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

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

Identify two reasons why using external tables for high performance data loads on Exadata is more advantageous than SQL*Loader.

• A.Transformations can be applied directly on the file data using SQL or PL/SQL constructions.
• B.External tables can take advantage of storage indexes to speed up data loads.
• C.External tables allow transparent parallelization inside the database.
• D.Parallelizing loads with external tables enables more efficient space management.

Your customer would like to use DBFS in their Exadata environment. They are asking you for the key characteristic of DBFS on Exadata.

• A.DBFS in an Exadata environment is faster than an NFS mount system because of the Smart Scan performance gains.
• B.DBFS offers tremendous I/O bandwidth.
• C.Tens of thousands of files are the perfect use case for DBFS on Exadata.

Which table compression technique will not work on Exadata without licensing the Oracle Advanced Compression Option?

• A.COMPRESS FOR ARCHIVE
• B.COMPRESS FOR OLTP
• C.COMPRESS FOR QUERY
• D.COMPRESS BASIC
• E.COMPRESS

Which statement is true about the patching features provided in Platinum Services?

• A.Platinum covers Exadata storage software and firmware patching, but the customer must perform database patching.
• B.Patching support includes Exadata, Exalogic, and Database Appliance.
• C.Rolling window and complete down time approaches are two options to patching.
• D.Patching services are available for the full software stack up to twice per year.