The world of IoT

1. Machine to Machine

		a)	refers to devices that are connected to each other capturing events
		b)	refers to automatic machines
		c)	refers to electro-mechanical machines
		d)	refers to machines connected to Internet

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2. The number of bits used by IPv6 in the address format is

		a)	32
		b)	64
		c)	128
		d)	256

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3. Wireless communications for indoor installations commonly use

		a)	LTE
		b)	NB-IoT
		c)	Bluetooth
		d)	NBFM

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4. The IoT platforms allow

		a)	collecting the data sent from the different connected devices and facilitate the creation of applications,
		b)	communication between IoT devices
		c)	M2M communications
		d)	Increase the communication speed

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5. The 5G standard must support

		a)	M2M communications
		b)	1 million connected devices per square kilometre
		c)	10 million connected devices per square kilometre
		d)	low indoor coverage

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6. eDRX means

		a)	extra data received
		b)	external driver
		c)	extended discontinuous reception
		d)	extended data reception

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7. The minimum latency can be achived by

		a)	3G
		b)	4G
		c)	LTE
		d)	5G

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8. The communication between IoT devices and systems is via

		a)	Internet
		b)	NBFM
		c)	WBFM
		d)	wires

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9. 5G implies an improvement in speed

		a)	up to 50 Gbps
		b)	up to 20 Gbps
		c)	up to 100 Gbps
		d)	up to 25 Gbps

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10. Main focus of Smart Cities is centred on

		a)	Reducing costs of communication services
		b)	improving the life of its citizens
		c)	increasing the number of civil servers
		d)	Reducing the traffic at the city center

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11. Which is the block common to all IoT devices?

		a)	security unit
		b)	energy harvester unit
		c)	microcontroller
		d)	Connectivity block

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12. With regard to potential IoT applications, which of the following statements is false?

		a)	They will be based on desktops, laptops, tablets and smartphones connected to internet
		b)	They promise to transform many aspects of our lives.
		c)	They cover many fields such as home, industry, environment, transport, buildings…
		d)	They will have a great impact on internet and the economy in the next years.

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13. According to the text, mega cities are those cities with more than

		a)	2 million people
		b)	1 million people
		c)	10 million people
		d)	40 million people

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14. Smart cities will become cities much

		a)	less secure
		b)	less sustainable
		c)	less productive
		d)	less congested

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15. Smart environment applications will provide

		a)	new natural resources
		b)	the location of new oil reserves
		c)	a useful instrument to monitor and management environmental resources
		d)	a better air quality for the city

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16. What is the main aim of a smart grid?

		a)	to provide electricity to cities which are not still connected to the electrical grid
		b)	to reduce power losses
		c)	to evaluate quality of renewable and green energy
		d)	to optimize production, distribution and consumption of energy

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17. According to predictions, current production must increase between 20% and 70% to satisfy crop demands by

		a)	2040
		b)	2050
		c)	2025
		d)	2060

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18. Which one is not a smart industry application?

		a)	Use of QR codes and RFID sensors to to monitor that workers do their job well
		b)	to optimize performance, reduce costs and improve productivity
		c)	machine auto-diagnosis and assets control
		d)	use of sensors to analyze manufacturing processes

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19. Smart industry

		a)	introduces electronic devices and computers to improve productivity
		b)	is not Industry 4.0
		c)	aims to increase production at the cost of worker safety
		d)	is based on cypher physical production systems connected to internet

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20. Main goal of smart health applications is

		a)	to solve interoperation among different medical devices
		b)	to enhance life quality of people who need permanent support or monitoring
		c)	to promote the design of future health devices to monitor health vital signs of patients
		d)	to protect patient's data and information

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