Coursera Cybersecurity and the Internet of Things quiz answers 2021

1.
Which of these is not an example of an IoT device?

Apple watch
Fitbit (a wristband that tracks steps, distance, calories burned, active minutes and sleep, and lights up to show your goal progress)
Raspberry Pi
Cash register
ans -: Cash Register

2.
The “smart grid” applies to which sector

E-Commerce
Defense
Personal fitness
Power

ans-: power

3.
Which describes the size of a zettabyte?

One hundred million gigabytes
One trillion gigabytes
500 million nanobytes
8 terrabytes
ANS-: One trillion gigabytes

4.
What do end-users typically forget to change on their IoT devices?

DNS settings
IP address
Default password
Home address

ans-: Default password

5.
Home occupancy can frequently be determined by monitoring data from a smart grid device

True
False

ans -:True

6.
IoT devices never talk to each other

True
False

ans-: False

7.
By 2020, we anticipate how many IoT devices to be attached to the Internet

7.7 billion
50 billion
3 zettabytes
1 trillion

ans-: 50 billion

8.
Automobiles can use IoT technology to help avoid accidents and collisions

True
False
ans-: true

9.
All IoT devices require human-to-machine interaction in order to function properly

True
False

ans-: False

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