Question

1) Which of the following lacks a network layer?
a. HART
b. Wireless HART
c. Wired HART
d. None of these​

Answer 1

b wireless HART

Explanation:

WirelessHART is a wireless sensor networking technology based on the Highway Addressable Remote Transducer Protocol (HART). Developed as a multi-vendor, interoperable wireless standard, WirelessHART was defined for the requirements of process field device networks.

Answer 2

Concept Introduction:

A wireless communications technology for applications involving process automation is called Wireless HART. While keeping existing HART tools, commands, and devices compatible, it gives HART technology wireless capabilities. Wireless HART was created to use mesh networking.

Explanation:

We have been given a multiple-choice question.

We have to find out the correct option.

Wireless HART makes it possible to deploy devices in more convenient and affordable locations, such as the head of a reaction vessel, inside of a pipe, or at distant warehouses. The physical, data link and network levels are where the wired and wire-free versions differ most.

Final Answer:

Wireless HART lacks a network layer.

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