Network

Q1) What is a node

Ans:

A node is a computer or any other device on a network that communicates with other devices

Q2) what is a networking?

Ans:

Networking is the concept of sharing resources and services.

Q3) what is a topology?

Ans:

A topology is an art of connecting different computers in a network.

Q4) what is a computer networking

Ans:

A computer network is a group interconnecting system sharing resources and using a shared communication link.

  

Q5) name different types of topology

Ans:

Mesh topology – star topology – bus topology – tree topology

Q6) write the advantages of networking computers

Ans:

-      Networks provide fast communication

-      Centralized management

-      Resources sharing ( printers – modems – scanners )

-      Flexible access ( eg: the school students can begin an assignment in class room )

-      Good security

-      Password can be established for specific directories to authorized users only.

Q7) write the difference between LAN and MAN

Ans:

LAN	MAN
Connect computer users in a small area	Connects computers in a particular geographical area or region
Small network	Large network
High speed connection	Not high speed connection
Connected by internet cables	Connected to a TV cable or large corporation

Q8) write the difference between Ring and Star topology

Ans:

Ring	Star
Connected to each other in a closed circle	Connected to a server by cable
More reliable	Less reliable
More expensive	Less expensive
Difficult to install and update	Easy to install and update

 Q9) Explain the following topologies with a proper diagram. Also write one advantage for each topology

Ans:

Star topology : All computers are connected by a cable to a server.

 Advantage : less expensive

Mesh topology: Every device has a dedicated point to point link to every other device.

Advantage: eliminate the traffic problems

Ring topology: All the computers and other devices are connected to each other in a closed circle

Advantage: easy to install and update.

Q10) what is a client – server network?

Ans:

A client – server network is a system where one or more computer connected to a central computer named a server to share or use resources.

Q11) state the advantages of peer – to – peer network

Ans:

-      Easy to install

-      All the computers and contents are shared by all peers

-      No need for full time system administrator

-      Overall costs of maintaining is very less.