Online Access Free 1z1-485 Practice Test

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

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

Consider this CellCLI command:
CellCLI> CREATE GRIDDISK ALL HARDDISK PREFIX=data, size=423G;
Which two statements describe what happens when you execute this command?

• A.It creates one 423 GB grid disk on each available cell hard disk.
• B.It creates grid disks on the innermost 423 GB that is available on each hard disk.
• C.It creates an Exadata Smart Flash Cache on all flash drives.
• D.It creates one 423 GB grid disk on the first available cell hard disk.
• E.It creates grid disks on the outermost 423 GB that is available on each hard disk.

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

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

When an Exadata Storage Server hard disk failure alert is received, what manual action must you take to restore the system to full redundancy?

• A.Replace the disk and manually copy the mirror extents to the new drive.
• B.Replace the disk and run MegaCLI to rebuild the degenerate mirror.
• C.Run RMAN REPAIR FAILUR
• D.No manual action is required because ASM rebalancing isautomatic.
• E.No manual action is required because Automatic Storage Management (ASM) fast mirror resync is automatic

When using IORM, which statement accurately describes when redo log file writes take place?

• A.Based on the priority of the user
• B.Immediately
• C.Based on the intradatabase resource plan
• D.Based on the resource group of the user