3.5 Setting up a Network Assignment 2

1. a)   
         Maximum Length: 100M


    b)
         1000 feet or more for standard definition. 300 Feet for high definition.
     c)
                     100KM




2) Describe how it works, or what it does:                                                               
                                                            
Router
 A router is a device that forwards data packets across computer networks. Routers perform the data "traffic directing" functions on the Internet


Bridge
A network bridge connects multiple network segments at the data link layer (Layer 2) of the OSI model.


Switch
A network switch or switching hub is a computer networking device that connects network segments.


3)                                            Peer-to-Peer


How does it work? : Peer-to-peer (P2P) computing or networking is a distributed application architecture that partitions tasks or workloads between peers. Peers are equally privileged, equipotent participants in the application.


Give an example Torrenting.


Advantages:

An important goal in peer-to-peer networks is that all clients provide resources, including bandwidth, storage space, and computing power. Thus, as nodes arrive and demand on the system increases, the total capacity of the system also increases. This is not true of a client-server architecture with a fixed set of servers, in which adding more clients could mean slower data transfer for all users.

Disadvantages:

the system is not centralised, making administration difficult

lack of security

no computer in the network is reliable

                                               Client/Server
How does it work?: The client–server model of computing is a distributed application structure that partitions tasks or workloads between the providers of a resource or service, called servers, and service requesters, called clients. Often clients and servers communicate over a computer network on separate hardware, but both client and server may reside in the same system. A server machine is a host that is running one or more server programs which share their resources with clients. A client does not share any of its resources, but requests a server's content or service function. Clients therefore initiate communication sessions with servers which await incoming requests


Give an example: To check your bank account from your computer, a client program in your computer forwards your request to a server program at the bank.


Advantages:


 - All data stored in one location
 - Easier to backup files and data
 - Easier to find files and data
 - Software optimised for multiple users
 - Hardware optimised for multiple users
 - One machine can secure entire network
 - One central login
 - Easy to add new resources


Disadvantages:


 - If the server goes down, it takes part or the whole network with it.
 - It is more expensive to install.
 - Needs to be maintained by staff with high IT skills.

3.5 Setting up a Network Assignment 1