1
Q
What is meant by IoT systems being soft real-time systems?
A
Response should be quick, but does not have to be nearly instant.
2
Q
What is a monitoring system?
A
system reads and stores data, but does not control
3
Q
What is the Open System Interconnection (OSI) 7-layer model?
A
- Physical (hardware)
- Data link (reliable data transport)
- Network (to establish end-to-end service)
- Transport (connection)
- Session (time period when in use)
- Presentation (data format)
- Application (UI)
4
Q
What is file transfer protocol (FTP)?
A
Moving file from one machine to another
5
Q
What is authentication?
A
Username and password used for accessing files
6
Q
What is authorization?
A
Permission given to access or edit a file from another source
7
Q
What is the difference between synchronous and asynchronous data transfer?
A
Synchronous is in real time (e.g. a voice call)
8
Q
How is Quality of Service (QoS) measured?
A
Bandwidth and periodicity characteristics
