Oracle Exam 1Z0-902 Topic 12 Question 45 Discussion

Actual exam question for Oracle's 1Z0-902 exam

Question #: 45
Topic #: 12

Which two statements are true about applying updates on Exadata systems?

AFailed storage server updates are automatically rolled back to a previous release.

BTo speed up applying storage server updates in a rolling manner, updating two storage servers simultaneously is recommended.

CUpdating kernel and RDMA packages on storage cells should be prevented by excluding them with the yum ---exclude option.

DFor regular Exadata updates, yum automatically installs a non-UEK kernel, which can be selected to boot from grub.

EFailed database server updates are rolled back to a working state on a previous release automatically.

FWhen running a 'yum update' for a new Exadata release, all other repositories should be disabled.

Show Suggested Answer

Suggested Answer: C

https://docs.oracle.com/en/engineered-systems/exadata-database-machine/dbmmn/maintaining-exadata-database-servers.html

According to Oracle's documentation1, one of the utilities for diagnostics and repair of Oracle Exadata Storage Server isExaWatcher, which collects operating system and network metrics on database servers and storage servers.The utility is located in the /opt/oracle.ExaWatcher directory1.

To investigate why an Exadata Database Server stopped communicating on the client network for 10 minutes over the past weekend, you can use theGetExaWatcherResults.shscript to collect and analyze ExaWatcher data for a specified time range1.

Therefore, the command that you should use to investigate this is:

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

by Buck at Jul 08, 2024, 12:31 AM

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Kayleigh

1 months ago

E is true, failed database server updates are rolled back automatically. It's like a built-in undo button for your Exadata!

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Novella

5 days ago

That's great to know! It's like having a safety net for updates.

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Roslyn

1 months ago

D is hilarious, a non-UEK kernel? That's like putting a Honda engine in a Ferrari. Exadata deserves the best!

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Rose

1 days ago

C) Updating kernel and RDMA packages on storage cells should be prevented by excluding them with the yum ---exclude option.

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Caprice

3 days ago

B) To speed up applying storage server updates in a rolling manner, updating two storage servers simultaneously is recommended.

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Esteban

7 days ago

A) Failed storage server updates are automatically rolled back to a previous release.

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Delisa

2 months ago

C is wrong, we want to update the kernel and RDMA packages, not exclude them. Gotta keep that Exadata up-to-date!

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Tiera

1 months ago

E) Failed database server updates are rolled back to a working state on a previous release automatically.

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Alexia

1 months ago

B) To speed up applying storage server updates in a rolling manner, updating two storage servers simultaneously is recommended.

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Felicia

1 months ago

A) Failed storage server updates are automatically rolled back to a previous release.

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Noel

2 months ago

I'm not sure about that. I think B and D are the correct statements.

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Yvonne

2 months ago

Updating two storage servers simultaneously? That's like trying to change two tires on a moving car. B is a big no-no.

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Leigha

11 days ago

When running a 'yum update' for a new Exadata release, make sure to disable all other repositories.

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Brandon

21 days ago

To speed up applying storage server updates, it's better to update them one at a time.

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Dorathy

26 days ago

Failed storage server updates are automatically rolled back to a previous release, which is helpful.

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Clay

1 months ago

Failed storage server updates are automatically rolled back to a previous release.

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Valda

1 months ago

Updating two storage servers simultaneously is risky, it can cause issues.

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Golda

2 months ago

Updating two storage servers simultaneously is not recommended, it can cause issues.

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Shanice

2 months ago

I agree with you, Lauran. Failed updates should be rolled back automatically.

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Lauran

2 months ago

I think A and E are true.

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Ma

2 months ago

Option A is correct, failed storage server updates are automatically rolled back. Definitely a good safety net to have.

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Isreal

1 months ago

Preventing kernel and RDMA package updates on storage cells seems like a good idea.

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Myra

1 months ago

Updating two storage servers simultaneously can definitely speed up the process.

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Rene

1 months ago

I think it's also important to disable other repositories when updating to a new Exadata release.

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Maryln

2 months ago

Yes, that's right. It's good to know updates can be rolled back automatically.

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Evan

2 months ago

I'm not sure about that. I think B and D are the correct statements.

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Sabina

3 months ago

I agree with you, Truman. Failed updates should be rolled back automatically.

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Truman

3 months ago

I think A and E are true.

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