A network is a set of devices connected by physical media links.
A network is recursively is a connection of two or more nodes by
a physical link or two or more networks connected by one or more
What is a Link?
At the lowest level, a network can consist of two or more computers
directly connected by some physical medium such as coaxial cable or
optical fiber. Such a physical medium is called as Link.
What is a node?
A network can consist of two or more computers directly
connected by some physical medium such as coaxial cable
or optical fiber. Such a physical medium is called as Links
and the computer it connects is called as Nodes.
What is a gateway or Router?
A node that is connected to two or more networks is commonly called
as router or Gateway. It generally forwards message from one network
What is point-point link?
If the physical links are limited to a pair of nodes it is said
to be point-point link.
What is Multiple Access?
If the physical links are shared by more than two nodes,
it is said to be Multiple Access.
What are the advantages of Distributed Processing?
b. Distributed database
c. Faster Problem solving
d. Security through redundancy
e. Collaborative Processing