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WorksheetsIoT 3
Total questions: 10
Worksheet time: 2mins
What is an example of cloud computing?
an architectural style of the World Wide Web
a network infrastructure that spans a large geographic area
a service that offers on-demand access to shared resources
a continuous interaction between people, processes, data, and things
What is used to uniquely identify devices connected to the Internet?
URL
device name
IP address
gateway address
What is the formula used to measure the force that drives current?
I = V x R
R = I x V
P = I x R
V = I x R
What function is performed by an actuator?
measuring a physical property by detecting information from the physical world
receiving a signal from a device and performing a set action
collecting data and then sending instructions for actions to be taken, or sending information for further analysis
improving a physical environment by measuring changes
6. What are two functions supported by a data link layer protocol? (Choose two.)
determining the best path to forward packets
controlling how data is placed and received on the media
providing an addressing scheme for reaching destination networks
accepting Layer 3 packets and packaging them into frames
encoding and decoding messages
7. What is the key difference between an open-loop control system and a closed-loop control system?
A closed-loop system uses an IP-enabled controller whereas an open-loop system does not.
A closed-loop system uses a negative feedback mechanism whereas an open-loop system uses a positive feedback system.
A closed-loop system uses a feedback mechanism whereas an open-loop system does not.
A closed-loop system uses a controller whereas an open-loop system does not.
9. What are three examples of computer programs? (Choose three.)
operating system
memory
device driver
storage
firmware
11. Which two technologies are considered 4th generation cellular-based technologies that commonly require monthly payments to connect IoT devices? (Choose two.)
LOWARAN
WiMAX
ZigBee
Bluetooth
LTE
What is Fog computing?
It is a type of computing where services are hosted where they are used, such as at the network edge or with end devices.
It is a type of computing that sends controller data to a sensor.
It is a type of computing that enhances P2P applications.
It is a type of computing that disperses servers and services globally in distributed data centers
Which term is used to describe the rate at which data is generated when referring to big data?
velocity
volume
bandwidth
variety
