Online Access Free 1z1-338 Exam Questions

When backing up a storage cell, what is actually being backed up?

• A.the Linux RPM that is used to deploy the storage cell software
• B.all the disk headers and storage indexes in the storage cell
• C.the contents of the CELLBOT USB flash drive
• D.the first two disks in a storage cell that contain the Linux operating system

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 Hybrid Columnar Compression for each partition.
• C.A partitioned table can use only Advanced Compression or only Hybrid Columnar Compression.
• D.Hybrid Columnar Compression can be defined for a single column.

How do ASM failure group provide redundancy?

• A.They ensure that the ASM disks are accessed via ADB protocol and not physically mounted on the database server.
• B.They ensure that the cell disks are sliced into grid disks by using cellsrv processes.
• C.For external redundancy ASM disk groups are placed in a Raid 1+0 configuration to ensure the no blocks are lost during an outage.
• D.They assign ASM disks to failure groups to ensure that the mirror copies of a block are not in the same failure group.

Which characteristics of DBFS on Exadata would you suggest as being a key benefit?

• A.When using DBFS customers will not need to use FUSE or any client software to administer the file system.
• B.DBFS allow customer to store LOB and CLOB files external to database for more flexibility.
• C.DBFS offers tremendous I/O bandwidth.
• D.Tens of thousands of files are the perfect use case for DBFS on Exadata.
• E.DBFS in an Exadata environment is faster than an NFS mount system because of smart scan performance gain.

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

• A.flashcachemode should be set to write back by updating cellinit.ora and restarting cellsrv.
• B.Before write-back-flash-cache is enabled you need to drop the flash cache first.
• C.Write back flash cache requires a minimum required software version.
• D.When enabling write-back-flash-cache in a non-rolling manners it is important to ensure that asmdeactivationoutcome is set to yes andasmmodestatus is set to online for all grid disks.
• E.When enabling the write-back-flash-cache in a rolling manner dbcli should be used to inactivate the grid disks on all cells first.