Free Access Oracle.1Z0-902.v2024-04-18.q65 Practice Test (Page 7)

Question 26

What are two recommended configuration best practices for backup and recovery on Exadata?

A.Even if the backup was limited to writing to four tape drives, eight channels could be specified to expedite the restore process.

B.Placing the backup network on dedicated switches installed in the top of the rack (ToR) has the benefits of isolating the backup network from other workloads and providing a greater level of control.

C.When off-site long-term backup retention is needed, use Oracle Database Backup Cloud Service as a low-cost, offsite scalable storage for a disaster recovery solution.

D.The internal Recovery Appliance backup and restore processing is optimized when the RMAN FILESPERSET parameter is set to 1 for the level 1 incremental backup set.

Question 27

Which two statements are true about the initial storage configuration after the standard (non-virtualized) deployment of a new Exadata Database Machine with High Capacity storage servers?

A.The sparse_<DBM_NAME> diskgroup is created automatically.

B.There is free space available on flashdisks inside the Exadata storage servers for possible use for storage indexes.

C.There is free space available on flashdisks inside the Exadata storage servers to configure Exadata Smart Flash Logs.

D.The DATA_<DBM_Name> and RECO_<DBM_NAME> ASM diskgroups are built on with DATA on the outer-most tracks and RECO on the inner-most tracks of the physical disk.

E.There is free space available on the hard disks inside the database servers for possible extension of the /uoi file system.

Question 28

Which statement is true about the Persistent Memory Commit Accelerator?

A.Persistent Memory Commit Accelerator copies redo log data from disk for faster redo apply on Data Guard Standby Databases.

B.Persistent Memory Commit Accelerator tracks changes to Persistent Memory Data Accelerator to ensure duplicate blocks are not written to Flash.

C.Persistent Memory Commit Accelerator helps to further reduce redo log write latency by using Persistent Memory and Remote Direct Memory Access (RDMA).

D.Persistent Memory Commit Accelerator contains logging information from all tiers of the software stack for rapid triage and diagnostics.

E.Persistent Memory Commit Accelerator reduces redo log write latency by using Persistent Memory and RDMA before flushing to Flash then disk.

Question 29

You have been asked to investigate why an Exadata Database Server stopped communicating on the client network for 10 minutes over the past weekend.
Which command would help investigate this?

A.$ ${ORACLE_HOME}/suptools/tfa/release/tfa_home/bin/tfact1 -from <Fridays_Date>_17:00:00 -to <Sundays_Date>_23:59:00

B.# /opt/oracle.SupportTools/ibdiagtools/netcheck/runDiagnostics.pm -from <Fridays_Date>_17:00:00 -to <Sundays_Date>_23:59:00

C.# /opt/oracle.ExaWatcher/GetExaWatcherResults.sh -from <Fridays_Date>_17:00:00 -to <Sundays_Date>_23:59:00

D.# /opt/oracle.SupportTools/exachk/exachk -from <Fridays_Date>_17:00:00 -to <Sundays_Date>_23:59:00

Question 30

What is the maximum DRAM capacity you can expand an X9M-2 DB Server?

A.1536GB

B.512GB

C.2048GB

D.768GB

E.1024GB

F.384GB

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Question 26

Question 27

Question 28

Question 29

Question 30

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