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Which layer is CoAP?

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+2 votes
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in IOT by (70.0k points)
Which layer is CoAP?

(a) Control layer

(b) Transport layer

(c) Service layer

(d) Application layer

The question was asked in class test.

The doubt is from CoAP Protocol in chapter Internet Principles of IOT

1 Answer

+1 vote
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Best answer
Correct choice is (c) Service layer

To explain: In intelligent network and cellular network, service layer is a conceptual layer within a network service provider architecture. CoAP is a service layer protocol that is intended for use in resource-constrained internet devices, such as wireless sensor network nodes.

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