Basic Knowledge of TCP/IP – Part 2

IP address types IP addresses are divided into three types, based on their operational characteristics: 1. unicast IP addresses – an address of a single interface. The IP addresses of this type are used for one-to-one communication. Unicast IP addresses are used to direct packets to a specific host. Here is an example: In the picture … Continue reading Basic Knowledge of TCP/IP – Part 2

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Basic Knowledge of TCP/IP – Part 1

TCP/IP suite of protocols The TCP/IP suite is a set of communications protocols used on computer networks today, most notably on the Internet. It provides an end-to-end connectivity by specifying how data should be packetized, addressed, transmitted, routed and received on a TCP/IP network. This functionality is organized into four abstraction layersand each protocol in … Continue reading Basic Knowledge of TCP/IP – Part 1

Basic Networking – Part 2

-->Previous -  Basic Networking - Part 1 Collision domain explained The term collision domain is used to describe a part of a network where packet collisions can occur. Packet collisions occur when two devices on a shared network segment send packets simultaneously. The colliding packets must be discarded and sent again, which reduces network efficiency. Collisions occur … Continue reading Basic Networking – Part 2

Introduction to Computer Network – Part 2

Previous --> Introduction to Computer Network - Part 1 Local Area Network (LAN) The term local area network (LAN) is used to describe a network of devices inside a limited area (in the same room, building…). A typical SOHO (small office/home office) LAN  consist of PCs, printers, switches, routers, and cabling that connects all these devices together. The … Continue reading Introduction to Computer Network – Part 2

Introduction to Computer Network – Part 1

Introduction : A computer network is a telecommunications network that enables sharing of resources and information. Nodes in a network are connected with each other using either cable or  wireless media and use a system of digital rules for data exchange. Data is transferred in the form of a packet, a formatted unit of data.+ Since … Continue reading Introduction to Computer Network – Part 1