Free Oracle 1z1-485 Exam Dumps Questions & Answers

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

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

What are the three customer options for hosting the Platinum Services Advanced Support Gateway?

• A.Install on Exadata Engineered System.
• B.Purchase the recommended x86 64-Bit gateway hardware from Oracle.
• C.Install on Oracle Database Appliance.
• D.Provide individual x86 64-Bit gateway hardware.
• E.Install in Oracle Virtual Machine with required hardware.

High-disk IOPS (I/Os per second) rates are leading to longer execution times.
Which three approaches would you use to improve this scenario?

• A.Tune the application to reduce I/O requests.
• B.Enable Write-Back Flash Cache due to heavy LGWR usage.
• C.Enable Write-Back Flash Cache due to heavy DBWR usage.
• D.Swap hard disks to High Capacity disks.
• E.LeverageIORM to give priority to critical workloads.

Which statement is true about Exadata Storage Servers?

• A.Exadata uses network affinity to determine which storage server data is written.
• B.Exadata requires a running database instance on all storage servers and database servers.
• C.The Exadata Storage Server automatically deletes old diagnostic and metric files.
• D.Redundancy for user data stored in a database that is running on Exadata is achieved with RAID5.
• E.Communication between a database and an Exadata storage flows over low latency 10 Gigabit Ethernet.

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?