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Huawei H13-711 Exam - Topic 1 Question 61 Discussion

Which option in the Spark component is not a transformation operation?
D) reduce
A) join
B) distinct
C) reduceByKey

Huawei H13-711 Exam - Topic 1 Question 61 Discussion

Actual exam question for Huawei's H13-711 exam
Question #: 61
Topic #: 1
[All H13-711 Questions]

Which option in the Spark component is not a transformation operation?

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Suggested Answer: D

by Staci at Nov 21, 2022, 07:00 PM

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Michel
9 months ago
"Interesting, I didn't know that! Thanks for clarifying!"
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Mitzie
9 months ago
"Yeah, join, distinct, and reduceByKey are all transformations."
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Paris
9 months ago
"Wait, I thought reduce was a transformation too?"
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Shenika
9 months ago
"Totally agree, reduce is not a transformation."
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Desiree
9 months ago
"D is the right answer, it's an action!"
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Moon
10 months ago
I might be mixing things up, but I think "reduce" is an action that aggregates data, while the others are transformations.
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Jodi
10 months ago
I feel like "join," "distinct," and "reduceByKey" are all transformations, but I can't quite recall why "reduce" is different.
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Darrin
10 months ago
I remember practicing a question about transformations and actions, and "reduce" seemed more like an action to me.
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Avery
10 months ago
I think transformations are operations that return a new RDD, so I'm not sure if "reduce" fits that definition.
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Terrilyn
10 months ago
This is a good question to think through. Process capability is all about understanding your current process, which can then drive decisions about how to improve it. So I believe the answer is True, but I'll double-check my understanding.
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Dexter
10 months ago
Okay, I think I've got a handle on this. The key is to identify the correct description of the import parameters, focusing on the differences between the modes like copy, direct access, and recycle.
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Filiberto
10 months ago
I remember that sets only store unique values, so if 3 is inserted twice, it should only keep one.
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