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Google Professional Data Engineer Exam - Topic 3 Question 106 Discussion

Actual exam question for Google's Professional Data Engineer exam
Question #: 106
Topic #: 3
[All Professional Data Engineer Questions]

Which of the following is NOT one of the three main types of triggers that Dataflow supports?

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Suggested Answer: A

There are three major kinds of triggers that Dataflow supports: 1. Time-based triggers 2. Data-driven triggers. You can set a trigger to emit results from a window when that window has received a certain number of data elements. 3. Composite triggers. These triggers combine multiple time-based or data-driven triggers in some logical way


by Dottie at Apr 03, 2025, 05:48 AM

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Crista
3 months ago
I thought size was a factor too, but I guess not!
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Ronnie
3 months ago
Wait, is there really no size-based trigger?
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Boris
3 months ago
B is actually a valid type, so A must be the answer.
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Glenna
3 months ago
I agree, A seems off.
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Shoshana
4 months ago
A is definitely not a main type of trigger.
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Giuseppe
4 months ago
I remember studying the three main types, but I can't shake the feeling that element size might actually be one of them.
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Teddy
4 months ago
I’m pretty sure that triggers based on time and count are correct, but I’m unsure about the combination one.
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Noel
4 months ago
I vaguely recall a practice question about triggers, and I don't think element size was mentioned as a main type.
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Cecilia
4 months ago
I think the triggers are based on time, count, and something else, but I can't remember if size is one of them.
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Fannie
5 months ago
I'm pretty confident the answer is A. Dataflow's main trigger types are time-based, element count-based, and composite triggers that combine other triggers. Element size in bytes doesn't sound like one of the core trigger options.
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Cordelia
5 months ago
Okay, let me see. I know Dataflow has triggers based on time, element count, and a combination of other triggers. I don't think element size in bytes is one of the main trigger types, so I'll go with A.
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Pete
5 months ago
Hmm, I'm a bit unsure about this one. I know Dataflow has different types of triggers, but I can't remember the exact three main ones off the top of my head. I'll have to think this through carefully.
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Laura
5 months ago
I'm pretty sure the answer is A. Dataflow supports triggers based on element count, time, and a combination of other triggers, but I don't think it supports triggers based on element size in bytes.
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Luke
10 months ago
Time-based triggers? How about a trigger that only fires when the moon is full and the stars align? Just keeping it realistic, you know.
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Quentin
9 months ago
C) Trigger based on element count
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Jacquline
10 months ago
B) Trigger that is a combination of other triggers
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Tracie
10 months ago
A) Trigger based on element size in bytes
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Christa
11 months ago
Hmm, I see your point. But I still think A) Trigger based on element size in bytes is not one of the main types of triggers supported by Dataflow.
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Ena
11 months ago
Hmm, I'd say the answer is B. A combination of other triggers sounds like a fun way to complicate things.
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Craig
9 months ago
I'm not sure, but I think B is the correct answer.
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Jarvis
10 months ago
I agree with you, it's D. Trigger based on time.
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Serina
10 months ago
I believe it's C. Trigger based on element count.
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Rozella
10 months ago
I think the answer is A. Trigger based on element size in bytes.
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Trinidad
11 months ago
A trigger based on element size in bytes? What kind of sorcery is this? Surely that's not a real option.
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Kerrie
10 months ago
I agree, it does seem unlikely. Maybe it's a trick question.
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Rebeca
10 months ago
I know, right? That sounds crazy.
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Frank
11 months ago
I disagree, I believe the answer is B) Trigger that is a combination of other triggers.
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Christa
11 months ago
I think the answer is A) Trigger based on element size in bytes.
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