Quiz 1: The background and history of IoT

According to Atzori et al., what are three distinctive IoT perspectives?

• Transportation, healthcare, and smart environments

• Things, Buildings, and Computers

• Things, Internet, and Semantic

What statement suits the Internet of Things best?

• The Internet of Things aims to interconnect objects using Internet protocols and technologies

• The Internet of Things aims to build reliable software

• The Internet of Things aims to connect humans and things

What is the number of estimated connected devices by 2020 (Cisco)?

• 2 million

• More than 50 billion

• 50 million

What does the the overloaded semantics of the IP address refer to?

• The IP address is used both for identification and location

• The IP address is grouped into four separate numbers

• There are too few IPv4 addresses

Which two networks were merged in the development of 3G?

• Public switched telephone network (PSTN) and GSM

• Cellular networks and the Internet

• X.25 and ARPAnet

What is the difference between containers and virtual machines?

• Containers do not contain a separate operating system

• Virtual machines are more reliable

• Containers can not be deployed in the cloud

What protocol is associated with RESTful services?

• MQTT

• UDP

• HTTP

What characterises the third era of modern computing?

• One computer, many people

• One person, one computer

• one/many person(s), many computers

What characterises an invisible computer according to Weiser?

• It can’t be seen with the human eye

• The users focus is on the task at hand and not on the tool

• The system has gone missing

What is a common component of a wireless sensor network node

• Power unit

• Microcontroller

• Led light