Computer network definition

A computer network is a group of interconnected nodes or computing devices that exchange data and resources with each other.

Computer network devices

Network devices, also known as networking hardware, are physical devices that alloNetwork devices, also known as networking hardware, are physical devices that allow hardware on a computer network to communicate and interact with one another. For example Repeater, Hub, Bridge, Switch, Routers, Gateway, Brouter, and NIC, etc.w hardware on a computer network to communicate and interact with one another. For example Repeater, Hub, Bridge, Switch, Routers, Gateway, Brouter, and NIC, etc.

Network type/categories

Definition: Two basic network types are local-area networks (LANs) and wide-area networks (WANs). LANs connect computers and peripheral devices in a limited physical area, such as a business office, laboratory, or college campus, by means of links (wires, Ethernet cables, fibre optics, Wi-Fi) that transmit data rapidly.

Samples: 

Network Transmission media

Definition: The transmission media is mainly of two types: Wired Media and Wireless Media through which data is transmitted. To measure the quality of data that is transmitted, and its characteristics can be calculated by the characteristics of medium and signal.

Samples: 

What is WIFI?

Definition: Wi-Fi is a wireless networking technology that uses radio waves to provide wireless high-speed Internet access.

Samples: The five Wi-Fi technologies are A, B, G, N and AC. B and G use the 2.4 GHz frequency; A and AC use the 5 GHz frequency; and N uses both 2.4 and 5 GHz frequencies. Your choice for your home or business will come down to three: Wireless G, N or AC. Routers that only support Wireless B are no longer manufactured.

Ethernet is the traditional technology
for connecting devices in a wired local
area network or wide area network it
describes how network devices can format
in transmit data done via an ethernet
cord traditionally a blue casing over
wiring with a square plastic connector

Ethernet

Host is just a computer or device that communicates with other hosts all right so when you hear someone maybe one of your instructors referencing a host they're simply talking about a computer specifically a computer that is on the network

HOST

Sending Files Through File Explorer

1. Select the file or folder you want to share.

2. Go to the Share tab, and then in the Share with section, select Specific people.

3. Enter email addresses for the people you want to share the file with, select Add for each one, then select Share.