Please do not use handwriting

f is the important point so please add a references

Question 1:(20 marks) The smartphone is "at the heart of a growing universe of connected devices and sensors" In this regard, you are asked to do some research, and answer the following questions using your own words. a. What is loT and what is the purpose behind using it? Discuss. b. Discuss briefly how a smartphone can be used in Personal lot and give an example. c. How can the smartphone be used in a smart city? Discuss, giving an example. d. Name three communication interfaces found in smartphones and can be used in lot. e. Threats and attacks on the smartphone and IoT devices can be divided into categories. List three categories and give an example on each. f. You should include valid references (at least two)