Which of the following is true?
a. IoT is a subset of M2M
b. M2M is a subset of IoT
c. IoT is a subset of CPS
d. CPS is a subset of Web of Things (WoT)
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b M2M is a subset of IoT
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Answer : M2M is a subset of IOT.
Short note on M2M and IOT:
(i) M2M stands for Machine to Machine. IOT stands for Internet of things.
(2) M2M is hardware based. IOT is software based.
(3) In M2M we have limited integrated options. IOT we have unlimited integrated options.
(4) M2M connects machines to machines. IOT connects devices to cloud.
(5) Devices in M2M are not connected to Internet. In IOT devices are directly connected to internet.
Actualy, M2M is a part of IOT.
Hope this helps!
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