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CWNP CWISA-102 Exam - Topic 4 Question 42 Discussion

Actual exam question for CWNP's CWISA-102 exam
Question #: 42
Topic #: 4
[All CWISA-102 Questions]

In the simplified three-layer model for wireless IoT, what is the universal primary function of the Perception layer?

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Suggested Answer: A

Perception Layer:The foundation of an IoT system, it consists of sensors and actuators that:

Sense:Collect data about the environment or object being monitored.

Actuate:Potentially make changes based on commands (e.g., a smart valve opening/closing).

Transmit:Send gathered data to upper layers for processing.


by Luisa at Mar 09, 2026, 04:35 AM

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Glennis
3 days ago
Wait, is C) even a thing in IoT? Sounds off.
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Tiffiny
9 days ago
I thought it was B) at first, but A) makes more sense.
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Kristel
14 days ago
A) is definitely the right choice!
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Pamella
19 days ago
I’m a bit confused; I thought the Perception layer was just for data gathering, but what about option D? Does it provide the network?
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Dorthy
24 days ago
I practiced a question similar to this, and I believe the Perception layer focuses on data collection. A sounds right to me.
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Genevive
29 days ago
I remember something about the layers, but I’m not sure if the Perception layer also does analysis. Could it be B?
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Tequila
1 month ago
I think the Perception layer is mainly about gathering data, so I’m leaning towards option A.
upvoted 0 times
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