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Most up-to-date 1z0-485 Simple Questions Latest Practice Test Questions VCE PDF Dumps

Qustion No. 1

The Exadata compute node, exadbs04, has been having issues for some time. The server had to be repaired and you just received a new server. Your LVM snapshot was corrupt and now the compute node must be re-image with an Oracle Support installation image. Which three tasks would you need to perform to re-image the compute node? 

A. Mount the LVM backup image across the network and recover the system. 

B. Remove exadbs04 from the RAC cluster and all associated Oracle Homes from the central inventory. 

C. Create a CELLBOOT USB Flash Drive using an external USB drive. 

D. Reboot the new server using a bootable recovery image from the external USB drive. 

E. Reconfigure all site-specific settings (host name, IP addresses, NTP server, and so on). 

Answer: BCE 


Qustion No. 2

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






Answer: C 


Qustion No. 3

Which two statements appropriately describe the backup and recovery procedures on Exadata? 

A. Cell software backup is automatic and cell recovery is accomplished by using a rescue procedure. 

B. Data stored in a database is backed up and restored by using CellCLI commands. 

C. Database server software backup is automatic and recovery is accomplished by using a rescue procedure. 

D. Data stored in a database is backed up and restored by using RMAN commands. 

E. Cell software backup is performed through CellCLI and cell recovery is accomplished by using a rescue procedure. 

Answer: AD 


Qustion No. 4

Which two statements are true about enabling write-back flash cache? 

A. When enabling write-back flash cache in a non rolling manner, it is important to ensure that asmdeactivatonoutcome is set to YES and asmModestatus is set to ONLINE for all grid disks. 

B. Before using write-back flash cache, you need to verify the minimum required versions. 

C. Before write back-flash cache is enabled, you need to drop the Flash Cache first. 

D. The setting flashCacheMode should be set to writeback by updating cellinit.ora and restarting cellsrv. 

E. When enabling write-back flash cache in a rolling manner, dcli should be used to inactivate the grid disks on all cells first. 

Answer: BC 


Qustion No. 5

Which statement is true about Oracle compression? 

A. A non-partitioned table can use Advanced Compression and Hybrid Columnar Compression concurrently. 

B. A partitioned table can define the use of Advanced Compression or HybridColumnar Compression for each partition. 

C. Hybrid Columnar Compression can be defined for a single column. 

D. A partitioned table can use only Advanced Compression or only Hybrid Columnar Compression. 

Answer: CD 


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