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Oracle 1Z0-070  Exam Questions & Answers
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Oracle 1Z0-070 Exam Questions & Answers


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  • Vendor: Oracle

    Exam Code: 1Z0-070

    Exam Name: Oracle Exadata X5 Administration

    Certification Provider: Oracle

    Total Questions: 103 Q&A ( View Details)

    Updated on: Jun 07, 2025

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1Z0-070 Online Practice Questions and Answers

Questions 1

You are in the process of upgrading your X5 Database Machine half rack to a full rack.

The new storage servers are called DM01CEL08 through DM01CEL14.

After creating 96 new griddisks, you issued this SQL statement: How many failgroups if any, will be added to the DATA diskgroup by executing this SQL statement?

A. 0, because the new griddisks will be added to the existing failgroups

B. 12, consisting of seven griddisks each

C. 96, consisting of seven griddisk each

D. 7, consisting of 12 griddisks each

E. 1, consisting of all 96 griddisks

Show Answer

Correct Answer: D

Explanation:

The number of failure groups equals the number of Exadata Cells. Each failure group is composed of a

subset of grid disks in the Oracle ASM disk group that belong to a single storage cell.

References: http://docs.oracle.com/cd/E80920_01/SAGUG/exadata-administering-asm.htm

Questions 2

Which two statements are true about data paths used during RMAN backup and restore operations when media management servers use InfiniBand to connect to an X5 Database Machine?

A. During backups, data blocks are always read from Smart Flash Cache by cellsrv.

B. During restores, data blocks read from the media are sent to a database server that sends the blocks to cellsrv to be written.

C. During backups, data blocks are read by cellsrv and sent to a database server, which sends the blocks to the media manager to be written to media.

D. During backups, data blocks are read by cellsrv and sent directly to the media manager to be written to media.

E. During restores, data blocks read from the media are sent directly to cellsrv to be written.

Show Answer

Correct Answer: DE

Explanation:

The fastest database backup is achieved via InfiniBand.

1.

Get dedicated Media Servers that connect to tape library

2.

Offers backup rates of up to 12GB/sec

RMAN does not back up directly to tape. However, it will integrate with media management software such as Oracle Secure Backup and utilize their capabilities to manage tape libraries.

Exadata Database Machine: The Database Machine contains the databases that need to be backed up. Oracle RMAN is the only mechanism to back up the databases that utilize Exadata Storage Servers as the storage. RMAN processes run on the database servers and interact with the Oracle Secure Backup (OSB) agent, which further interacts with the media management software and enables RMAN to communicate with the tape library.

References: http://apprize.info/data/oracle_4/6.html

Questions 3

Your Exadata X6-2 Database Machine has the exachk utility preinstalled. You decide to use it periodically to validate the installation against Oracle's recommended best practices.

Which three actions could you take to do this?

A. Use a cron job on a database node to run it at regular intervals.

B. Use a cron job on each cell to run it at regular intervals.

C. Run it once each cell and it will then perform periodic monitoring automatically.

D. Create a OS job in Enterprise Manager to run the exachk utility at regular intervals.

E. Use exachk to schedule itself to run at regular intervals.

Show Answer More Questions

Correct Answer: ADE

Explanation:

AD: To schedule exachk, we can create a cron job or we can create a job in Enterprise Manager..

To add an Enterprise Manager job to execute Exachk on a periodic basis. Execute the following steps.

First go to

Enterprise, Job, Library. Then create a new OS Command job

E: exachk options include AUTORUN_SCHEDULE, which schedules recurring health checks using the AUTORUN_SCHEDULE daemon option.

References:

http://www.oracle.com/technetwork/database/availability/exadata-health-resource-usage-2021227.pdf http://docs.oracle.com/cd/E68491_01/OEXUG/automated-daemon-mode-operation.htm

Best practices: Execute the latest version of the exachk utility before and after planned maintenance activities and at least once every month

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