1z1-485 무료 덤프문제 온라인 액세스

You are calculating the storage capacity that your customer will require on their ZFS Backup Appliance. Identify the set of factors that will affect this calculation.

• A.database size, compression, and backup window
• B.database size, full/incremental cycle, compression, and retention period
• C.database size, full/incremental cycle, RPO (Recovery Point Objective), and RTO (Recovery Time Objective)
• D.database size, retention period, RPO (Recovery Point Objective), and compression
• E.full/incremental cycle, retention period, and ZFS Backup Appliance model

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

You are concerned about how recovery from a failed Exadata Storage Server would work. Which statement is true about the Exadata CELLBOOT USB?

• A.Regular Exadata Storage Server patches make sure that the internal USB is updated so that it can be used for recovery.
• B.Changes to network configuration files are possible without usingipconf.plas long as all relevant files are updated.
• C.Each patch that is performed on Exadata storage servers requires manual resync of the CELLBOOT USB.
• D.Exadata automatically copies OS binaries and configuration files from another cell during patching to sync the internal USB.
• E.Some space from the CELLBOOT USB is used for cache metadata when write back flash cache is enabled.

In looking to improve query performance for your Data Warehouse, select the best way that Exadata's Flash Cache feature can be leveraged?

• A.Create an ASM diskgroup on Flash Cache and move the indexes from disk to Flash.
• B.Enable Write Back Flash Cache.
• C.Execute alter table ... cell_flash_cache=keep on heavily scanned tables.
• D.Enable Smart Flash Log.

Which two statements are true about CellCLI?

• A.Using a CellCLI command, you can see whether grid disks are being used by ASM or not.
• B.Using a CellCLI command, you can change the SNMP subscribers or add multiple SNMP subscribers.
• C.With a simple CellCLI command, you can synchronize changes to all the storage cells in the Exadata realm.
• D.You cannot use CellCLI to gather the serial numbers of physical disks.
• E.Using CellCLI, you can stop and start the ASM instances that are using the grid disks on the Exadata storage cell.