IBM Exam C9510-418 Topic 1 Question 67 Discussion

Actual exam question for IBM's C9510-418 exam

Question #: 67
Topic #: 1

An administrator upgrades the IBM DB2 JDBC driver. The test connection operation fails. On checking the System.Out log the administrator finds that the JVM is still using the old JDBC driver.

What could be the possible reason for the failure?

ANo driver JARs exist.

BThe driver upgrade failed.

CThere are multiple drivers in the provider classpath.

DDB2UNIVERSAL_JDBC_DRIVER_PATH was NULL.

Show Suggested Answer

Suggested Answer: B

by Oretha at Apr 10, 2024, 12:36 PM

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Deja

5 months ago

I agree with If the driver upgrade failed, then the JVM would still be using the old JDBC driver, leading to the test connection failure.

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Shaniqua

5 months ago

I experienced a similar issue before. It turned out that the driver upgrade failed, causing the test connection to fail.

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Emelda

5 months ago

I disagree with I believe that the failure could be due to multiple drivers in the provider classpath.

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Georgeanna

5 months ago

I think the possible reason for the test connection failure could be that DB2UNIVERSAL_JDBC_DRIVER_PATH was NULL.

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Jimmie

6 months ago

Or maybe the driver upgrade failed, as mentioned in option B.

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Mozell

6 months ago

That makes sense. Maybe the administrator needs to remove the old driver to avoid conflicts.

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Jaclyn

6 months ago

I think the possible reason could be C) There are multiple drivers in the provider classpath.

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Cristal

7 months ago

Haha, yeah, I can just imagine the administrator trying to upgrade the driver and accidentally deleting all the JARs. That would be a real face-palm moment!

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Lauran

6 months ago

Oh no, that would be a nightmare! Hopefully they have a backup.

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Miss

6 months ago

B) The driver upgrade failed.

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Izetta

7 months ago

Hmm, good point. I was leaning more towards option B - the driver upgrade failed. Maybe there was an issue with the installation or the new driver wasn't compatible with the system.

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Kirk

7 months ago

But I'm not sure about that. Option D also seems plausible - if the DB2UNIVERSAL_JDBC_DRIVER_PATH environment variable was not set correctly, that could also lead to the old driver being used.

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Lilli

7 months ago

I agree. My first thought was option C - multiple drivers in the provider classpath. That could definitely cause the JVM to use the old driver instead of the new one.

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Mabelle

7 months ago

Yeah, that's a really good point. It seems like there could be an issue with the classpath or the way the driver is being loaded.

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Kara

7 months ago

Hmm, this question seems to be testing our understanding of JDBC driver management. I think the key here is that the JVM is still using the old driver, even after the administrator upgraded it.

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