Databricks Certified Data Engineer Professional Exam - Topic 6 Question 25 Discussion

Actual exam question for Databricks's Databricks Certified Data Engineer Professional exam

Question #: 25
Topic #: 6

[All Databricks Certified Data Engineer Professional Questions]

Which statement describes the default execution mode for Databricks Auto Loader?

ANew files are identified by listing the input directory; new files are incrementally and idempotently loaded into the target Delta Lake table.

BCloud vendor-specific queue storage and notification services are configured to track newly arriving files; new files are incrementally and impotently into the target Delta Lake table.

CWebhook trigger Databricks job to run anytime new data arrives in a source directory; new data automatically merged into target tables using rules inferred from the data.

DNew files are identified by listing the input directory; the target table is materialized by directory querying all valid files in the source directory.

Show Suggested Answer

Suggested Answer: D

When triggering a job run using the Databricks CLI, the run_id field in the response represents a globally unique identifier for that particular run of the job. This run_id is distinct from the job_id. While the job_id identifies the job definition and is constant across all runs of that job, the run_id is unique to each execution and is used to track and query the status of that specific job run within the Databricks environment. This distinction allows users to manage and reference individual executions of a job directly.

by Micaela at Oct 20, 2024, 01:14 AM

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Dominque

3 months ago

D seems off too; it doesn't match the usual behavior.

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Abraham

3 months ago

Definitely not C, that sounds way too complicated for Auto Loader.

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Lettie

3 months ago

Wait, is it really just listing the directory? Sounds too simple!

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Rasheeda

4 months ago

I thought it was B at first, but A makes more sense.

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Jeanice

4 months ago

A is correct! That's how it works.

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Vinnie

4 months ago

I thought the default execution mode was about incrementally loading files, so I’m leaning towards A, but I need to double-check the details.

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Rebbecca

4 months ago

I vaguely recall something about webhooks, but I can't remember if that's the default mode or just an additional feature.

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Abel

4 months ago

I remember practicing a question about Auto Loader, and I feel like it mentioned using cloud vendor-specific services, which makes me lean towards option B.

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Rosio

5 months ago

I think the default mode is about listing the input directory, but I'm not sure if it's option A or D.

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Huey

5 months ago

I'm pretty sure the answer is option A. The key details are that it identifies new files by listing the input directory and then loads them incrementally and idempotently into the target table. That sounds like the default behavior I'm familiar with for Databricks Auto Loader.

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Dorothy

5 months ago

Based on my understanding, the default mode is option B. It uses cloud vendor-specific queue storage and notification services to track newly arriving files and then incrementally and impotently loads them into the target Delta Lake table.

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Carli

5 months ago

Hmm, I'm a bit confused on this one. The options seem similar, but I'm not sure which one exactly describes the default behavior. I'll need to review the Databricks Auto Loader documentation more closely to be confident in my answer.

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Nan

5 months ago

I think the default execution mode for Databricks Auto Loader is option A. It sounds like it identifies new files by listing the input directory and then incrementally and idempotently loads them into the target Delta Lake table.

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Emily

9 months ago

Imagine if Databricks Auto Loader could also do your taxes and walk your dog. Now that's a feature-rich product!

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Janessa

9 months ago

Directory querying all valid files? That sounds like a lot of work. I'm going to have to go with Option A on this one.

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Loren

9 months ago

Webhook triggers and automatic merging of data sound cool, but that's probably not the default behavior for Databricks Auto Loader. I'm going with Option A.

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Terina

8 months ago

User 4: I'm going with Option A as well. It seems like the most practical option.

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Viola

8 months ago

User 3: Option A does seem like the most straightforward choice for default behavior.

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Daren

9 months ago

User 2: Yeah, I agree. It makes sense that new files are incrementally loaded into the target Delta Lake table.

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Lashaunda

9 months ago

User 1: I think Option A is the default execution mode for Databricks Auto Loader.

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Gerald

10 months ago

I'm not sure about the difference between 'incrementally and idempotently' and 'incrementally and impotently'. That's a bit confusing, but I think Option A is still the best choice here.

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Ellen

8 months ago

Let's go with Option A then. It seems to be the most straightforward and reliable method for handling new data in Databricks Auto Loader.

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Rashida

9 months ago

I'm leaning towards Option A as well. It sounds like the most logical approach for loading new files into the target Delta Lake table.

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Kami

9 months ago

Yeah, I agree. Option A seems to be the safest choice for the default execution mode of Databricks Auto Loader.

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Karl

9 months ago

I think 'incrementally and idempotently' means files are loaded without duplication, while 'incrementally and impotently' might be a typo.

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Dustin

11 months ago

Option A seems like the correct default execution mode for Databricks Auto Loader. It makes sense that it would identify new files by listing the input directory and load them incrementally and idempotently into the target Delta Lake table.

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