The Major Communication Layers in IoT Simple schematic

1- Why do we use IoT? Which one is WRONG?
a. We want automation and receive more data
b. All things become data, every company becomes a software
c. Everything becomes social, IoT use oldest technologies
d. We want to control everything.

2- Some of the IoT types are:
a. IoH, IoL, IoP
b. IIoT, IoE, IoT
c. IoF, IoSP, IoS
d. All the above

3- Application of the IoT: Imagine a refrigerated transport truck, carrying frozen goods, that is equipped with a global positioning sensor. Which statement is Wrong?
a. As the truck drives into a major city, the sensor determines that there is an accident ahead that is causing major traffic congestion.
b. The sensor sends the data to the computer system that collects the data and makes decisions.
c. The system then alerts the driver to the new conditions so that the accident can be bypassed.
d. None of the above

4- Which of the following is not advantages of Smart Home?
a. Installing a smart home technology system provides homeowners with convenience.
b. Users can get notifications and updates on issues in their homes.
c. Adept hackers, for example, can gain access to a smart home’s internet-enabled appliances.
d. Appliances and electronics can be used more efficiently, lowering energy costs.

5- Which of the following examples for IoT applications in a Smart City is correct?
a. Weight sensors in parking spaces allow drivers to quickly know where there is an available parking spot.
b. Sensors on traffic lights can detect traffic congestion.
c. The new decisions are sent to actuators that modify red versus green light times to assist the flow of traffic.
d. All the above

6- Manufactures are using IIOT, which one is Wrong?
a. For supply chain to delivery and for organized view of production,
b. For process and product data and for better security
c. For prevent defects and downtime, for maximize equipment performance,
d. For cutting warranty costs and for big data analytics and predictive modeling.

7- Based on the evaluation of technology, the fourth wave of change in the world anticipated to be:
a. Information Age
b. Web 3 Age
c. Virtual Age
d. Intelligence Age

8- There are 7 major challenges in IoT, how to overcome challenges in IoT?
a. By Hardware
b. By Software
c. By Skilled labor
d. By IoT security

9- Toffler is a prominent futurist and proponent of the theory of ‘The Third Wave society’, 50 years back. In his theory, Toffler has explicitly discussed the role of knowledge and technology in effecting changes and thus shaping the coming of a new type of society in the future. Which one is correct?
a. He talked about Information Age
b. He talked about 2-dimentional World
c. He talked about 3rd Wave of change in society
d. All the above

10- In IoT security, Data confidentiality means:
a. Make a mutual trust among providers and people for data interaction
b. Guarantee that only authorized entities can access and modify data
c. Reduction the risk of violation
d. Keeping the personal information including healthcare data safe

11- In IoT security, privacy means:
a. Guarantee that only authorized entities can access and modify data
b. Reduction the risk of violation
c. Keeping the personal information including healthcare data safe
d. b and c

12- How IoT works-step by step: (Which one is Wrong?) ……
a. First Step: Sensor Data goes toward the Gateway
b. Second Step: Data from Gateway goes to the Cloud
c. Third Step: From the Cloud this Data can be forwarded to sensor
d. Fourth Step: User cellphone can receive the data from cloud

13- The Major Communication Layers in IoT Simple schematic are: …….
a. Device to Device (D2D) Communication Layer
b. Device to Server (D2S) Communication Layer
c. Server to Device (S2D) Communication Layer
d. a and b

14- About end-user devices and user interface which one is correct?
a. The user interface is not a visible component, that is easily accessible and in control of the IoT user.
b. The user interface is the not visible component that is not easily accessible and in control of the IoT user.
c. Smart home systems such as Amazon Alexa or Google Home etc. also allow users to communicate with their “things”.
d. All the above

15- What is an Ecosystem? (Which of the following is wrong) ……
a. In nature an ecosystem includes all the living things
b. Ecosystem includes plants, animals, and organisms
c. Ecosystem is a part of each system
d. Weather, earth, sun, soil, climate, and atmosphere are parts of natural ecosystem

16- About IoT Ecosystem definition, which is correct?
a. There is no common definition for it!
b. The IoT ecosystem may considered as a system consisting of networks of sensors, actuators, and smart objects
c. The IoT ecosystem consists of all the physical (hardware) and nonphysical (software) environments with which they interact with humans or things.
d. All the above

17- Four Layers IoT Architecture consists of?
a. Transport Layer, Data Processing Layer, Network Layer and Perception Layer
b. Application Layer, Sensor Layer, Data Processing Layer, and Perception Layer
c. Application Layer, Data Processing Layer, Network Layer and Sensing Layer
d. Application Layer, Network Layer, Internet Layer, and Business Layer

18- Factors determine the type of network technology used by an IoT device are:
a. Distance, Cost, Technology
b. Bandwidth, Bandwidth, Power consumption
c. Bandwidth, Cost, Technology
d. None of above

19- Zigbee and 6LoWPAN are IoT technology which specifies by:
a. low-bandwidth, low-power, and inexpensive devices
b. High-bandwidth, low-power, and inexpensive devices
c. Low-bandwidth, High-power, and inexpensive devices
d. High-bandwidth, High-power, and expensive devices

20- Wi-Fi. Given its pervasiveness in home, commercial and industrial buildings, Wi-Fi is a frequently used IoT protocol. It offers fast data transfer and is capable of processing large amounts of data. Wi-Fi is particularly well suited within LAN environments,
a. with short-range distances.
b. with medium-range distances.
c. with Long-range distances.
d. with short to medium-range distances.

21- To communicate with IoT devices everywhere, what type of network is needed?
a. PAN
b. WAN
c. MAN
d. LAN

22- Which statement is Wrong about Bandwidth?
a. Bandwidth: Rate at which electronic signals can travel through a medium, such as a wire, cable, or channel.
b. Smaller Bandwidth, lower capacity of channel!
c. Smaller Bandwidth, higher capacity of channel!
d. Greater Bandwidth larger the amount of data that can flow through it.

23- Which statement is Wrong about Bandwidth and Range?
a. NFC (Near Field Communication) Low BW and Low Range
b. Bluetooth is using for small devices low Band and small battery
c. Mobile 4G/LTE Good BW and Good Range (10 Km to 100 Km)
d. Lora: Low BW but Low Range

24- About wireless communications technology, which one is wrong?
a. NFC for home area network wireless communications
b. GSM for wide area network wireless communications
c. Bluetooth for wide area network wireless communications
d. LoRa for wide area network wireless communications

25- Which one is correct for LoRa technology?
a. High BW but Long Range (no Limit by physics, but limited by human)
b. Low BW but Long Range (no Limit by physics and by human)
c. High BW but Long Range (no Limit by physics, but limited by human)
d. Low BW but Long Range (no Limit by physics, but limited by human)

26- Which statement is correct about IoT communication?
a. When devices need to communicate with other devices, the use case likely requires that they receive data instantaneously because the timeliness of the incoming data is paramount.
b. Each “thing” needs to send its data to an aggregating gateway node through what is sometimes called the “fog” layer.
c. The gateway is usually a much more capable computing device than the sensor, with a reliable and fast network connection.
d. All the above

27- Wi-Fi works in frequency band of:
a. 2.1 GHz and 5.1GHz
b. 2.4 GHz and 5.0 GHz
c. 2.4 GHz and 5.4GHz
d. 1.9 GHz and 5.8GHz

28- About the IoT Analytics, which one is Wrong?
a. IoT Analytics is a leading global provider of market insights and strategic business intelligence for the IoT, AI, Cloud, Edge, and Industry 4.0.
b. IoT analytics is the application of Information Technology to realize value from the low volumes of data generated by networks.
c. The potential of IoT analytics is often discussed in relation to the Industrial IoT.
d. All the above

29- What are four pillars underpinning the ability of IoT to operate successfully: (Internet)
a. device, data, analytics, and connectivity
b. Sensor, data, analytics, and connectivity.
c. device, data, gateway, and connectivity.
d. device, data, analytics, and cloud.

30- What is a sensor?
a. A sensor is a detector that measures a physical quantity and converts it into a signal.
b. A sensor can be read by humans or by an instrument.
c. Mostly sensors are used to sense Light, Sound, Heat and Pressure
d. All the above

31- What is essential component of the IoT smart objects.
a. Sensors
b. Actuators
c. Cell phone
d. Security

32- Smartphone contains which of following sensors?
a. Accelerometer Sensors, Temperature Sensor
b. Color-Sensors, Touch Sensors
c. Gyro-Sensors
d. All the above

33- Before using sensor, first you should know:
a. The price of the sensor
b. The range of possible values your application requires
c. The range of the sensor which can read and deliver.
d. The way of maintenance

34- Which one isn’t among sensors in smart home?
a. Gyro-Sensors
b. Glass break sensors
c. Door contacts
d. Light sensors

35- Which one isn’t among the desirable functions for sensor nodes.
a. ease of installation
b. self-identification
c. self-diagnosis
d. size

36- IoT sensors have become critical to improving operational efficiency, reducing costs, and enhancing worker safety. Most of the energy of sensor is consumed by:
a. CPU
b. Memory
c. Communication
d. All the above

37- Which statement is correct for the security of sensors. (L9-S32)
a. Security of the sensors leads to the security of the IoT devices.
b. Security of the sensors leads to the security of the IoT gateway.
c. Security of the sensors leads to the security of the IoT Cloud.
d. None of the above

38- Which one is wrong for Raspberry Pi 400.
a. Featuring a quad-core 32-bit processor
b. 4GB of RAM
c. wireless networking
d. dual-display output

39- What isn’t among the most popular IoT programming languages?
a. Java,
b. Fortran
c. Python and
d. JavaScript

40- Why use of Python in IoT is so popular?
a. Python is a great ally to develop device prototypes.
b. For many developers, Python is the language of choice in the market.
c. The speed at which you can develop code and many libraries for all kinds of platforms.
d. All the above

41- A thing, in the context of the Internet of things (IoT), is an entity or physical object that has a unique identifier, an embedded system and the ability to transfer data over a network.
a. True b. False

42- Each device which is connected to IoT ecosystem decreases the chance of different challenges.
a. True b. False
43- Power is one of Major Technology Challenges in IoT?
a. True b. False

44- Artificial intelligence can multiply the value of IoT by using all the data from smart connected devices to promote learning and collective intelligence. (L5-S51)
a. True b. False

45- Wired technologies aren’t used in IoT applications.
a. True b. False

46- IoT devices can use one of the 802.11 Wi-Fi LAN standards if the bandwidth requirements are high, and power is plentiful.
a. True b. False
47- Zigbee is a wired mesh technology that allows devices to communicate with one another and with a central control hub that serves as a gateway to the home Wi-Fi network so devices can be controlled with smart home assistants and smartphones.
a. True b. False

48- Protocol IEEE 802.11 is a set of media access control (MAC) and physical layer (PHY) specifications for implementing wireless local area network (WLAN) computer communication in the 900 MHz and 2.4, 3.6, 5, and 60 GHz frequency bands.
a. True b. False

49- A smart sensor isn’t a sensor that provides extra functions beyond those necessary for generating a correct representation of the sensed quantity.
a. True b. False

50- Arduino is an open-source electronics platform based on easy-to-use hardware and software.
a. True b. False

Compelling correspondence is essential to the achievement all things considered but since of the changing idea of the present working environments, successful correspondence turns out to be more troublesome, and because of the numerous impediments that will permit beneficiaries to acknowledge the plan of the sender It is restricted. Misguided judgments.In spite of the fact that correspondence inside the association is rarely completely open, numerous straightforward arrangements can be executed to advance the effect of these hindrances.

Concerning specific contextual analysis, two significant correspondence standards, correspondence channel determination and commotion are self-evident. This course presents the standards of correspondence, the act of general correspondence, and different speculations to all the more likely comprehend the correspondence exchanges experienced in regular daily existence. The standards and practices that you learn in this course give the premise to additionally learning and correspondence.

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This course starts with an outline of the correspondence cycle, the method of reasoning and hypothesis. In resulting modules of the course, we will look at explicit use of relational connections in close to home and expert life. These incorporate relational correspondence, bunch correspondence and dynamic, authoritative correspondence in the work environment or relational correspondence. Rule of Business Communication In request to make correspondence viable, it is important to follow a few rules and standards. Seven of them are fundamental and applicable, and these are clear, finished, brief, obliging, right, thought to be, concrete. These standards are frequently called 7C for business correspondence. The subtleties of these correspondence standards are examined underneath: Politeness Principle: When conveying, we should build up a cordial relationship with every individual who sends data to us.

To be inviting and polite is indistinguishable, and politeness requires an insightful and amicable activity against others. Axioms are notable that gracious “pay of graciousness is the main thing to win everything”. Correspondence staff ought to consistently remember this. The accompanying standards may assist with improving courtesy:Preliminary considering correspondence with family All glad families have the mystery of progress. This achievement originates from a strong establishment of closeness and closeness. Indeed, through private correspondence these cozy family connections become all the more intently. Correspondence is the foundation of different affiliations, building solid partners of obedient devotion, improving family way of life, and assisting with accomplishing satisfaction (Gosche, p. 1). In any case, so as to keep up an amicable relationship, a few families experienced tumultuous encounters. Correspondence in the family is an intricate and alluring marvel. Correspondence between families isn’t restricted to single messages between families or verbal correspondence.

It is a unique cycle that oversees force, closeness and limits, cohesiveness and flexibility of route frameworks, and makes pictures, topics, stories, ceremonies, rules, jobs, making implications, making a feeling of family life An intelligent cycle that makes a model. This model has passed ages. Notwithstanding the view as a family and family automatic framework, one of the greatest exploration establishments in between family correspondence centers around a family correspondence model. Family correspondence model (FCP) hypothesis clarifies why families impart in their own specific manner dependent on one another ‘s psychological direction. Early FCP research established in media research is keen on how families handle broad communications data. Family correspondence was perceived as an exceptional scholastic exploration field by the National Communications Association in 1989. Family correspondence researchers were at first impacted by family research, social brain science, and relational hypothesis, before long built up the hypothesis and began research in a family framework zeroed in on a significant job. Until 2001, the primary issue of the Family Communication Research Journal, Family Communication Magazine, was given. Family correspondence is more than the field of correspondence analysts in the family. Examination on family correspondence is normally done by individuals in brain science, humanism, and family research, to give some examples models. However, as the popular family correspondence researcher Leslie Baxter stated, it is the focal point of this intelligent semantic creation measure making the grant of family correspondence special. In the field of in-home correspondence, correspondence is normally not founded on autonomous messages from one sender to one beneficiary, yet dependent on the dynamic interdependency of data shared among families It is conceptualized. The focal point of this methodology is on the shared trait of semantic development inside family frameworks. As such, producing doesn’t happen in vacuum, however it happens in a wide scope of ages and social exchange.

Standards are rules end up being followed when performing work to agree to a given objective. Hierarchical achievement relies significantly upon compelling correspondence. So as to successfully impart, it is important to follow a few standards and rules. Coming up next are rules to guarantee powerful correspondence: clearness: lucidity of data is a significant guideline of correspondence. For beneficiaries to know the message plainly, the messages ought to be sorted out in a basic language. To guarantee that beneficiaries can without much of a stretch comprehend the importance of the message, the sender needs to impart unmistakably and unhesitatingly so the beneficiary can plainly and unquestionably comprehend the data.>

The Major Communication Layers in IoT Simple schematic

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