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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?

Show Suggested Answer Hide Answer
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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Marica
16 days ago
Wait, is C) even a thing? Sounds sketchy.
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Dallas
21 days ago
I thought it was B) at first, but A) makes more sense.
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Leslee
26 days ago
A) is definitely the right choice!
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Corazon
1 month ago
Surprised that people think A) is universal. What about edge computing?
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Raul
1 month ago
Totally agree with A), it's all about data gathering!
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Glennis
1 month ago
Wait, is C) even a thing in IoT? Sounds off.
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Tiffiny
2 months ago
I thought it was B) at first, but A) makes more sense.
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Kristel
2 months ago
A) is definitely the right choice!
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Pamella
2 months 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
2 months 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
2 months 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
2 months 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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