QUESTION - Characteristics of DSs
(a) List and describe any 4 characteristics of distributed systems.
(b) State the criterion for a system to be considered as not a distributed one.
(c) Give 2 types of hardware resource and 2 types of data or software resource that can usefully be shared as it occurs in distributed systems.
(d) Explain the evolution from mainframe to cloud computing.
(e) Imagine a client server inter process communication.
(i) Explain the use of port and socket.
(ii) Why is it important not to leave a port open? Relate any incident which happened in the past decade.