Answer: Reliability, portability and scalability.
Explanation:
The communication and information system provide effective and flexible communication to the users with the help of their key principle that are:
Reliability- Reliability means ability to work and perform various type of functions in emergency.
Portability- The communication channel easily work in any type of technology, frequency and protocols.
Scalability- It is basically use in large scale according to the requirements.
These key principles basically provide the ability to manage the flow of data and information. It also maintain the communication connectivity.
