Oracle Exadata 11g Essentials Set 2

1.

Which software runs on the Exadata Storage Server?

Enterprise Manager Oracle Enterprise Linux CELLSRV Restart server

2.

What does the Exadata Server software use Bloom Alters for?

Join filtering Query optimization Cardinality analysi Sorting

3.

Your customer has an initial need to store 100 TBs of data in the Oracle Exadata Database Machine. You recommend a Full Rack with 336 TB disk. When your customer asks why you have seemingly recommend
large a machine, what should you reply?

SATA disks are always better SAS disks could work, but SATA provide more raw bandwidth You want to make sure your customer has room for growth, even they don't think they need it now. When you include the storage space needed for redundant logs, rollback and temp space, a full rack ofSATA disk providdes 100TBs of storage for user data

4.

Why is performing an incremental backup of data from an Exadata Storage Server likely faster than backing up data from normal storage?

Offload processing find only the changed blocks All data on the Exatada Storage Server is compressed All backup from the Exatada Storage Server is compressed Recovery Manager always uses more threads to perform backups from an Exadata Storage Server

5.

What happens when a grid disk is in a synch state?

ASM writes all changes that occurred while the disk was offline Log entries on the disk are synched with log files Data values on the disk are synched with Data in the flash There is no synch state for the grid disk

6.

If you perform an ALTER on a cell disk or a grid disk, you must also modify any ASM group that uses that entity?

1

7.

When do you specify the type of interleaving for a grid disk?

When you create the cell disk When you create the grid disk Through ASM When you create a table space

8.

Why would you reduce the default disk_repair_time parameter?

To extend the availibility of your ASM disk groups. To reduce the need for high redundancy. To reduce the amount of data collected for a fast resynch. To increate performance of an Exadata Storage Server.

9.

What model of the Exadata Database Machine come with 3 infiniBand switches?

Quarter Rack of X2-2 Half Rack of X2-2 Full Rack of X2-2 Full Rack of X2-8

10.

How do you back up the software used on an Exadata Storage cell?

You use RMAN You back up the software files in using an operating system method You do a complete copy of their system storage area You do not need to back up this software, as there is an automated recovery mechanism built in to each cell

Oracle Exadata 11g Essentials Set 2

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Oracle Exadata 11g Essentials Set 2

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