Networking assignment help

Networking assignment help

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Computer Networking

A computer network is a network of computers. The computer network is two or more than two commuters that connect altogether. All connected computer device can share data and information with each other. each computing device is called a node and every node contain an address associated with it. Addresses are some combination of numbers. These addresses are called IP (Internet Protocol) address. This transmission of information and data over the computer network is based on packet switching. In which, information and data have sent in the form of packets. At the receiver, end packets come together and again construct the message which was sent from the transmitter end. Every packet has a header field, in which the address of the receiver system is incorporated.

 The Modern system of any network requires a number of components including hosts, hubs, bridges, and routers. Apart from the given components, an efficient network requires a network management protocol which offers baseline information needing for secure communication.

Different types of network devices which are required to design the computer network is follows:

1. Modem
2. NIC
3. HUB
4. repeaters
5. Switch
6. Gateway
7. Routers
8. Bridges

Addressing in devices connected in the network are of two types:

1. Internet Address- Four bytes separated by periods are used for internet address which corresponds to the network address and host machine.
2. Domain name system- Text addresses are used for easier handling of internet addresses.

Computer network type

The different types of networks are LAN, WLAN, WAN, SAN, MAN, PAN, and one more is EPN.

From these mentioned the most commonly used network:

1. LAN: it is an elaborated as a local area network or called as LAN. it is a local network in which several devices and switches exist at a single location like in an office, school, college or any building, etc. which share resources like data, information or hardware like printers. LANs are made with comparatively cost-effective hardware, such as HUB, router, switch, ethernet cables, and network adapters. The smallest Local Area Network can be made with a connection of only two computers, although a larger local area network can be made with a connection of thousands of computers.

2. WLAN: WLAN is elaborated as Wireless Local Area Network. It is having wireless data connections by which computers have relations to each other locally without any wire or physically connected cables. 

Protocol of networking

OSI (open system interconnection) and TCP – IP (transmission control protocol – internet protocol) are models used in computer networking. OSI is having a total number of seven layers, those are mentioned below:

1. Application layer
2. Presentation layer
3. Session layer
4. Transport layer
5. Network layer
6. Datalink layer
7. Physical layer

TCP - IP is having the total number of four layers, those are mentioned below:

1. Application layer
2. Transport layer
3. Internet layer
4. Network layer

Computer network Topology

Topology is a manner or way of computer system connection in a computer network. Some type of connections are as follows:

1. Mesh topology
2. Star topology
3. Bus topology
4. Ring topology
5. Hybrid topology
6. Daisy chain topology

Benefits of computer network

1. It helps in sending data and information at more than one computer system simultaneously.
2. It is fast while passing messages to one device to another device.
3. It aids to use printer, email, and scanner commonly.
4. It makes data transfer very effective and efficient.
5. It makes data and information transfer very less expensive.

Transmission media types

Some different types of transmission media, link, channel or line those are used in a computer network are given below:

1. Twisted pair wire
2. Coaxial cable
3. Optical fiber cable