【20180572】The loT architecture can be divided into three layers. ( ) is the key layer to realize the foundational capabilties which support the electronic devices interact with physical world.-问呀课堂

[单选题]
【20180572】The loT architecture can be divided into three layers. ( ) is the key layer to realize the foundational capabilties which support the electronic devices interact with physical world.

ASensinglaver

BNetwork layer