IoT systems

Question 1

What is meant by IoT systems being soft real-time systems?

Answer 1

Response should be quick, but does not have to be nearly instant.

Question 2

What is a monitoring system?

Answer 2

system reads and stores data, but does not control

Question 3

What is the Open System Interconnection (OSI) 7-layer model?

Answer 3

1. Physical (hardware)
2. Data link (reliable data transport)
3. Network (to establish end-to-end service)
4. Transport (connection)
5. Session (time period when in use)
6. Presentation (data format)
7. Application (UI)

Question 4

What is file transfer protocol (FTP)?

Answer 4

Moving file from one machine to another

Question 5

What is authentication?

Answer 5

Username and password used for accessing files

Question 6

What is authorization?

Answer 6

Permission given to access or edit a file from another source

Question 7

What is the difference between synchronous and asynchronous data transfer?

Answer 7

Synchronous is in real time (e.g. a voice call)

Question 8

How is Quality of Service (QoS) measured?

Answer 8

Bandwidth and periodicity characteristics