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Exam DP-200 topic 18 question 1 discussion

Actual exam question from Microsoft's DP-200
Question #: 1
Topic #: 18
[All DP-200 Questions]

Which windowing function should you use to perform the streaming aggregation of the sales data?

  • A. Tumbling
  • B. Hopping
  • C. Sliding
  • D. Session
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Suggested Answer: A 🗳️
Scenario: The analytic process will perform aggregations that must be done continuously, without gaps, and without overlapping.
The key differentiators of a Tumbling window are that they repeat, do not overlap, and an event cannot belong to more than one tumbling window.
Incorrect Answers:
B, C: Like hopping windows, events can belong to more than one sliding window.
D: Session windows can have gaps.
References:
https://docs.microsoft.com/en-us/azure/stream-analytics/stream-analytics-window-functions
by hoangton at May 19, 2021, 10:39 a.m.

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hoangton
4 years ago
without overlapping. so answer A are correct
upvoted 1 times
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