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Talend Data-Integration-Developer Exam - Topic 4 Question 24 Discussion

Actual exam question for Talend's Data-Integration-Developer exam
Question #: 24
Topic #: 4
[All Data-Integration-Developer Questions]

You have a tMap component configured with a single input row1 and three outputs: CA, NY, Rejects. The input row1 consists of two columns. Name and State, containing the following data:

All outputs map only the Name column from row1, but CA employs a filter expression, CA.equals(row1.state), while Ny employs a filter expression, NY. Equals(row1, State). All Rejects have no such configuration.

Under these conditions, how does data flow to the outputs?

Show Suggested Answer Hide Answer
Suggested Answer: B

The tMap component allows you to configure multiple outputs for your data transformation and mapping. You can apply filter expressions on each output to filter out the rows that meet certain criteria. For example, if you want to send only the rows that have CA as the state value to one output, you can use CA.equals(row1.state) as the filter expression for that output. The filter expression evaluates to true or false for each row, and only the rows that evaluate to true are sent to the output. In this case, only Thomas Coolidge and Andrew Taylor have CA as their state value, so they are sent to the CA output. Similarly, only Calvin Adams has NY as his state value, so he is sent to the NY output. The Rejects output has no filter expression, so it receives all the rows from the input by default. However, since there is a conflict between the CA and NY outputs and the Rejects output, only the rows that are not sent to any other output are sent to the Rejects output. In this case, there are no such rows, so the Rejects output receives no data.Reference:Talend Open Studio: Open-source ETL and Free Data Integration | Talend,


by Glennis at Aug 26, 2024, 12:43 PM

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Destiny
5 months ago
I think D is the right answer, looks accurate!
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Sabine
5 months ago
Rejects should have all the others, right?
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Arlene
5 months ago
Wait, how does NY get Calvin Adams? Seems off.
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Renay
5 months ago
Totally agree, CA is spot on!
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Peggy
6 months ago
CA filter only lets through Thomas Coolidge and Andrew Taylor.
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Bettye
6 months ago
I practiced a question like this, and I think the answer might be D, but I’m not entirely sure about how the filters work together.
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Jacquline
6 months ago
I feel like the Rejects should include all names that don't match CA or NY, but I can't recall the exact logic we used in class.
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Gussie
6 months ago
I think CA should only have Thomas Coolidge based on the filter, but I'm not completely confident about the Rejects output.
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Cassie
6 months ago
I remember practicing similar questions about filtering in tMap, but I'm not sure if CA should include both names or just one.
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Wilburn
6 months ago
I feel pretty confident about this one. The key is understanding how the filter expressions work and applying that to the given input data. I think I can nail this question.
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Lashanda
6 months ago
Whoa, this is a lot of information to process. I'm a bit confused about how the different filter expressions are going to impact the data flow. I'll need to re-read this a few times.
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Willie
6 months ago
Okay, let me break this down step-by-step. The input data, the filter conditions for each output - I think if I work through it methodically, I can figure this out.
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Carlene
6 months ago
Hmm, this looks like a tricky one. I'll need to carefully read through the details and think through the logic of the filter expressions.
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Caitlin
7 months ago
I've got a strategy for this. I'll start by mapping out the input data and the filter conditions for each output. Then I'll walk through the logic to determine which names end up where.
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Cathern
7 months ago
Okay, I've got this. Withdrawal is when you experience negative sympShawnee from stopping a medication abruptly. That's the key thing this question is asking about. I'm confident C is the right answer.
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Merlyn
7 months ago
Okay, I've got this. The remote acceptance functions are PPPOE simulation test, DHCP simulation test, Voice call simulation test, and BTV simulation test. I'll select all of those.
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Denise
2 years ago
D seems like the winner here. It's the only one that aligns with the stated conditions. Anything else would just be a mess, like trying to fit a square peg in a round hole. *laughs*
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Shizue
1 year ago
It's like trying to fit a square peg in a round hole with the other options.
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Junita
2 years ago
Agreed, D is the most logical choice.
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Isaac
2 years ago
Yeah, D is the only one that follows the conditions.
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Tenesha
2 years ago
I think D is the correct answer.
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Nancey
2 years ago
I'm not sure, but I think option D makes sense because it includes the correct names for each output.
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Tijuana
2 years ago
Option D all the way! Gotta love those tMap components and their fancy filters. *chuckles*
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Lavonna
2 years ago
Hmm, this is a tricky one. I'm going to have to go with D. It just seems the most logical based on the information provided.
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Emile
2 years ago
I agree, D seems to be the most logical choice here.
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Micah
2 years ago
I agree, D makes the most sense here.
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Micaela
2 years ago
I think D is the correct answer.
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Frank
2 years ago
I think D is the correct answer.
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Sharen
2 years ago
I'm going with C. It's the only option that has the correct outputs for each stream - CA, NY, and Rejects.
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Salina
2 years ago
I agree with you, Georgiann. The data flow to CA and NY outputs based on the filter expressions.
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Nicolette
2 years ago
Option D makes the most sense to me. The CA output should get Thomas Coolidge and Andrew Taylor, the NY output should get Calvin Adams, and the Rejects output should get all three since they don't meet the filter criteria.
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Allene
2 years ago
Yes, Option D is the right choice. It clearly defines how the data will flow to each output based on the filter conditions.
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Laurena
2 years ago
I agree with you. Option D seems to be the correct configuration based on the filter expressions for CA, NY, and Rejects.
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Annita
2 years ago
Option D makes the most sense to me. The CA output should get Thomas Coolidge and Andrew Taylor, the NY output should get Calvin Adams, and the Rejects output should get all three since they don't meet the filter criteria.
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Georgiann
2 years ago
I think the correct answer is D.
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