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

A. 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.

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

C. 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.

D. 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.

You are adding a disk expansion kit to a running Exadata X8M Database Machine's Database Servers, and have a filesystem layout that includes:

After running the following commands, which command needs to be run to add 20G of space to the filesystem mounted on /u01?

A. # lvextend -L +20G --verbose /dev/mapper/VGExaDb-LVDbOral

B. # xfs_growfs /uOl +20G

C. # resize2fs +20G /dev/VGExaDb/LVDbOral

D. # lvextend -L +20G --verbose /dev/VGExaDb/LVDbOral

You are planning the monitoring configuration for your Exadata X9M Database Machine.

Which three components are monitored directly through the use of Exadata-specific Enterprise Manager Plug-Ins?

A. ASM instances

B. Hybrid Columnar Compression (HCC) ratios on Extended (XT) storage servers

C. the storage server ILOM

D. the Power Distribution Units (PDUs)

E. Oracle clusterware on the database server

F. the RDMA over Converged Ethernet (RoCE) switches

Examine these commands:

1.

Execute "crscti stop cluster -all" as the grid user from one database server.

2.

Execute "crscti stop cluster -all" as root from one database server.

3.

Power off all network switches.

4.

Execute "crscti stop cluster" as root from one database server.

5.

Execute "crscti stop cluster" as the grid user from one database server.

6.

Power off the rack using the power switches on the PDUs.

7.

Execute "shutdown -h now" on all database servers.

8.

Execute "shutdown -h now" on all Exadata storage servers.

Which is the correct order or the required commands to completely power off an Exadata Database Machine in an orderly fashion?

A. 5, 8, 7, and 6

B. 4, 7, 8, 3, and 6

C. 2, 8, 7, 3, and 6

D. 2, 7, 8, and 6

E. 1, 8, 7, 3 and 6

Your system administrator reports an amber, non-blinking light on one of your Exadata storage disks. You immediately execute the 'list physicaldisk where diskType=HardDisk and status=failed DETAIL' command on the Exadata storage system and the specified disk is indeed reported as failed. Platinum Support has not been enabled for this system. Enterprise Manager Cloud Control is monitoring the system.

What is the next step that you should perform before you do anything else?

A. Ask the system administrator to replace the broken disk with a spare.

B. Check the database to see if any rebalance operations are active.

C. Call Oracle Support and make an appointment so that the drive can be replaced.

D. Wait for the email of the failure that Exadata or Enterprise Manager will send.

E. Download and run the latest exadiag tool.

F. Wait for a blue light to appear on the disk if the rebalance operation is running.