Alibaba ACA-BigData1 Exam - Topic 2 Question 54 Discussion

Actual exam question for Alibaba's ACA-BigData1 exam

Question #: 54
Topic #: 2

DataWorks can be used to develop and configure data sync tasks. Which of the following statements

are correct? (Number of correct answers: 3)

Score 2

AThe data source configuration in the project management is required to add data source

BSome of the columns in source tables can be extracted to create a mapping relationship between
fields, and constants or variables can't be added

CFor the extraction of source data, 'where' filtering clause can be referenced as the criteria of
incremental synchronization

DClean-up rules can be set to clear or preserve existing data before data write

Show Suggested Answer

Suggested Answer: A, B, D

by Jina at Jul 21, 2022, 09:02 AM

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Alexis

4 months ago

D is correct, I've used clean-up rules before.

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Chau

4 months ago

Wait, can you really set clean-up rules? That's surprising!

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Bettina

4 months ago

C sounds right, 'where' clauses are super useful for sync tasks.

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Beckie

4 months ago

I disagree with B, you can use constants in mappings.

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Maybelle

4 months ago

A is definitely true, you need to configure the data source.

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Vincent

5 months ago

I remember practicing a question similar to option C, and I'm pretty sure that 'where' filtering is important for incremental sync.

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Carin

5 months ago

I'm not so sure about option B; I feel like we can use constants or variables in some cases, but I can't recall the specifics.

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Stephen

5 months ago

I think option A is definitely correct since you need to configure the data source in project management to add it.

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Carmelina

5 months ago

Option D sounds right to me, but I can't remember if there are any exceptions to the clean-up rules.

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Novella

5 months ago

Okay, I've got this. Based on my understanding of data center projects, the main customer type is likely to be large enterprise customers. That's the option that makes the most sense to me.

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Delisa

5 months ago

Okay, let me think this through step-by-step. Customers need to use Aviatrix gateways in the spoke VPCs/VNETs to set up the necessary routing for the NGFW insertion. So the answer must be True.

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Daren

5 months ago

Hmm, I'm not too sure about the cloud computing characteristics that impact incident response. I'll have to think this through carefully.

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