Questions and Answers

What is DNS? How Does It Work?

The DNS or the Domain Name System is being used in resolving the hostnames that are readable by humans into the machine readable, which is the IP addresses. The DNS is also something that provides other information about the domain names just like the mail services. The only thing is that, why is DNS essential and how does it really work? Do everybody needs to know this thing?

Actually, the DNS is just like a phone book over the internet. If in case you know the name of the person, yet you do not know their phone number, you could just look up for it in the phone book. This works just like the same as the DNS, but the difference is that, it works on the internet. So, how does DNS works? Well, when you visit a domain, your computer will follow a series of steps that would turn up the human-readable web address into the machine-readable IP address. It actually happens each time that you are using up your domain name, whether you are viewing websites, listening to radio stations online and sending out your emails. Knowing more about the DNS and on how it really works could surely help you out.

What is a LAN?

The LAN or the local area network mainly consists two or more computers that are connected together in a building or home using both of the hardware or the software. It is being contrasted into WAN or the wide area network like the internet covering larger geographic area. In the LAN, there is a main server or computer, and remote computers known as the clients. By simply making this kind of network in the office or home, the computers connected on it could simply share resources, files and internet connection if desired.

There are two kinds of LAN, these are the wireless or the wired. The wired LAN needs an Ethernet able in order to connect all of the computers physically to the network to the major device known as a switch. The wireless kind of network mainly uses radio waves to communicate, getting rid of the wires. Thus, the hardware used in the network has to be wired or wireless kind.

In terms of setting up a LAN, it is very much easy. All of the operating systems in e Microsoft have also included the built-in networking software. When it comes to the hardware, every computer needs a kind of network interface card and the switch is also needed.