The document provides an overview of computer networking, detailing concepts such as network properties, packet structure, topology, and communication protocols. It describes how computer networks facilitate resource sharing and interpersonal communication among nodes. Additionally, it explains the significance of network topology, including both wired and wireless technologies.

1. NETWORKING

2. CONTENTS
i. Introduction
ii. Properties
iii.Network packet
iv.Network topology
v. Communication protocols
vi.Geographic scale

3. INTRODUCTION
•A computer network, or data network, is
a digital telecommunications network which
allows nodes to share resources.
•Network computer devices that originate, route and
terminate the data are called network nodes.

4. PROPERTIES
•Computer networking may be considered as a branch of
any technical field.
•A computer network facilitates interpersonal
communications.
•A network allows sharing of network and computing
resources.
•A computer network may be used by security hackers .

5. NETWORK PACKET
•A network packet is a formatted unit of data (a list of bits
or bytes, usually a few tens of bytes to a few kilobytes
long) carried by a packet-switched network
•Packets consist of two kinds of data: control information,
and user data (payload).

6. NETWORK TOPOLOGY
• The physical layout of a network is usually less important than the
topology that connects network nodes. Most diagrams that describe a
physical network are therefore topological, rather than geographic. The
symbols on these diagrams usually denote network links and network
nodes.
• Network links
• The transmission media used link devices to form a computer networks
is called Network link.
• There are two types of links i.e. a) Wired technologies b) Wireless
technologies

8. COMMUNICATION PROTOCOLS
•A communication protocol is a set of rules for exchanging
information over a network.

9. GEOGRAPHICAL SCALE

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