Review Questions 1. Describe an example of an example of an loT system in which

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Review Questions 1. Describe an example of an example of an loT system in which information and know from data. 2. Why do loT systems have to be self-adapting and self-configuring? 3. What is the role of things and Internet in loT? 4. Wha 5. Describe an example of loT service that uses publish-subscribe communication 6. Describe an example of loT service that uses WebSocket-based communicati 7. What are the architectural constraints of REST? 8. What is the role of a coordinator in wireless sensor network? 9. What is the role of a controller service in an IoT system? t is the function of communication functional block in an loT system m

Explanation / Answer

ANSWERS

1. One of the examples of Iot system in which infomation and knowledge are inferred from data is SMART HOME..Smart Home has become the revolutionary ladder of success in the residential spaces and it is predicted Smart homes will become as common as smartphones.

2. Looking from an MVP/PoC phase, it is not needed that it has to be Self-Adapting or Self-configuring. But eventually as an product in day to day use, it has to be.

Take for an example a home automation system. If you have 50 devices per house, the net time you spend on configuring would be less than the time you actually save by using the product, making the legacy homes a time saver. Nobody wants to waste time and in todays world needed instant RoI. The best way is to make it quickly adapt to environment and configure in seconds.

3. As we know that in today's world almost nothing is possible without internet and things i.e Anything that can be tagged or connected as such as it’s designed to be connected. From sensors and household appliances to tagged livestock. Devices can contain sensors or sensing materials can be attached to devices and items.

4. Communication functional block is very much important in Iot system as by this block Devices get connected so they can communicate data and this data can be analyzed. and due to this action is performed which is consequence of intelligence. This can be manual action, action based upon debates

5.By this type of IOT asynchronous messaging is possible.

6. In the world of IoT, cattle such as sheep and cows can be tracked and monitored through implant sensors in their ears. This will allow farmers to monitor their health and track their movement, ensuring a healthier, more plentiful supply of wool and milk.

7. REST defines 6 architectural constraints which are: Uniform interface,Client–server,Stateless,Cacheable,Layered system,

8.Role of coordinator is very crucial in this...as The coordinator will generate about eight beacons each second

.During each beacon interval, the transceivers of the network devices work for about 61.44 ms and keep quiet for the rest of time. Therefore, the duty cycle is about 50 % , which briefly means about 50 % of the energy consumption is possibly saved,so making the transceivers work in the ‘‘on or off’’ mode can save energy.

9. Controller service in an IOT system is like a brain of IOT device that is like a microcontroller as a small computer with a microprocessor core, memory, and input/output (I/O) ports. The microprocessor core of your microcontroller is a central processing unit. It handles all the number crunching and local data manipulation and decision-making. The memory includes Read Only Memory (ROM) and Random Access Memory (RAM). ROM stores the microcontroller’s software program. RAM stores and receives data while also supporting number crunching.

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