Technical Support Fundamentals - Article Z - What is networking?

10 important questions on Technical Support Fundamentals - Article Z - What is networking?

What is the definition of the World Wide Web?

We use The Web to access the internet through a link, like google.com. It is an application that runs on the internet. The WWW are the pages you se when you're using a device.

What is the difference between the Internet and the World Wide Web?

You can see the Internet as the roads that connect town and cities together. The world wide wide are the houses and shops that you come across on the roads, and the vehicles on the road are the data that's being transported between locations. Some go between websites and others will be transferring emails or files across the internet, separately from the web.

How do clients connect to a network?

Clients connect to a network run by an internet service provider (ISP)
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How can an ISP give us access to the internet?

ISPs have built networks and run all the necessary physical cabling that connects millions of computers together in one network. They also connect to other networks and other ISPs. These other networks connect to the networks of Google, Reddit, and universities.

What is an IP address?

Once a computer connects to a network, they have an identifier called an IP address. An IP address is composed of digits and numbers like 100.1.4.3. When we want to access a website like www.coursera.com, we're actually going to their IP address like 172.217.6.46.

What does an IP address consist of?

An IP address is a 32-bit number, which consists of four octets. One octet consists of 8 bits.

What is a MAC address and what is it used for?

Devices that can connect to a network have a unique identifier called a MAC address. It is a hard-coded and permanent identifier of a device.

What is the difference between an IP address and a MAC address?

Your device (client) receive an IP address when it connects to a network. So an IP address is connected to a network, which means it may change, while a MAC address is hard-coded onto a device and it usually doesn't change. You can see the IP address as your house address and the MAC address is the name of the recipient of the letter.

What are data packet and, how and why do we use them?

A data packet are units of data that travels along a network path. Data packets are used to send huge files into smaller packets and we use them to transfer data efficiently and more reliable. Using data packets improves transmission rates.

What is an Ethernet cable and what does it do?

An Ethernet cable lets you physically connect to the network through a cable by plugging in the cable into a network port (usually located on a router and on a client: laptop or pc).

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