Do you know internet? It is impossible if you don’t know internet because you are using internet when reading this article. Internet becomes the most popular communication media that mixed between Information and Technology furtherance. We have to use technology devices to access internet, such as computer, laptop and of course modem to get your internet signal. And we use internet for transferring or receiving information.

The advance of internet has been utilized by people to get online course. There are lots of websites that offer online course. We don’t have to attend a class, we only must sit in front of our computer with internet connection on it. There are also lots of course types that offered. Usually, the IT (Information and Technology) course is dominant on online course. Where we can find an online course for IT?

CISSP is an online course that based on IT. If you are looking for IT certificate, CISSP training course may be your choice. CISSP will teach you how to be an IT professional with CISSP training video and then you will get their IT certificate. But you have to pass the exam first to get the certificate. Not only IT, you also can take information security course if you like it.

Imagine you are sitting by the pool and enjoying chatting through the Internet. Or lounging in the Jacuzzi listening to your MP3 collection is appealing to us all. Unfortunately, many, or even most, wireless units don’t come with security features already functioning. This may not seem like a big issue to someone who is simply setting up a home network, but there are a number of potential problems you should consider.

Identity theft seems to be the most serious problem. If your network is unsecured, the personal data on your wireless electronic equipment is also unsecured. The order you just placed for a book at Amazon may have given your contact and payment information to an unscrupulous hacker! Nearly every town in which “WiFi” is common will have “War Drivers” and “War Chalkers” at work. These are people who walk or drive around town with wireless equipment, searching for unsecured networks. The “Chalkers” then live up their name, marking curbs and other public items with chalk so that others can more easily find and exploit your network.

In fact, not all “War Drivers” are hackers, of course. Many just want to use your network for free, but the risk is high if you don’t learn how to protect yourself. You can usually find quite a bit of free information as to how to secure your network at the website of your router’s manufacturer, or by doing a search in a search engine for a phrase like “secure home wireless.”

In addition, there are also your neighbors who may find your network by accident and enjoy nosing into your activities and using your Internet access at will, slowing down your network speed in the process.

Even many businesses use cheap, home-use quality equipment for their company networks. With the poor security often found on small business networks, anyone with a basic knowledge of wireless can access sensitive company and customer data.

It is highly recommended that you hire service companies to secure your network for you, or else you will have to bear with a risk of being exploited. A search of your local yellow pages or an inquiry at your neighborhood computer store should yield professional help and get your private data private again.

Having wireless internet on your laptop allows the user to conduct their business in a timely and easy manner. Having a wifi internet connection on the laptop for example, makes conducting business much easier. It is becoming increasingly popular as well. Being able to connect to the internet while traveling allows the user to check emails constantly and therefore keep contacts, to have access to information like checking figures, and enhance their productivity. To be able to connect to the internet using a laptop, the computer must have the wireless capability to connect to a router. It is imperative that the laptop must have the right network card with a WiFi connector. There are many public spaces that allow for WiFi connections in every western city. The quality of the connection differs from place to place since it depends on a variety of factors. In general, the quality of the connection depends on the quality of the wireless signal that your laptop receives. Being closer or further from the source of the signal in the end will determine the strength and therefore the quality and possibly the speed of your connection. A WiFi network allows for constant connectivity in all hours of the day and every day of the week.

Currently, computer and consequently laptop manufactures are investing time and money in enhancing their products networking capabilities and speeds. In the past few years, wireless connectivity has come a long way in terms of quality and strength. When the portable computers were introduced a few years back the notion of the mobile network already existed. Nevertheless, it was not perfected and had many flaws. Over the years however, wireless capabilities have expanded, they have been bettered allowing for greater connectivity, stronger networks, and higher productivity. As a result, and due to the constant technological advancements, laptop users these days can buy the computer and never have to worry about finding a modem, or a router or those inconvenient cables. Just turn on the computer and start surfing the web. Due to the increasing popularity o wireless internet public spaces have been accommodating for this new trend. Public libraries, airports, or even specific businesses provide wireless internet for their customers. In many city centres in North America, there are so many wireless networks functioning at the same place that it is virtually impossible not to find an internet connection to log on to. The only down side to wireless computing is that it might be associated with health risks that we are not yet aware of. Overall, however wireless computing is the way to go for the business professional, the student or every other avid computer user.

WiFi is the wireless way to handle networking. It is also known as 802.11 networking and wireless networking. The big advantage of WiFi is its simplicity. You can connect computers anywhere in your home or office without the need for wires. The computers connect to the network using radio signals, and computers can be up to 100 feet or so apart. So, in the spirit of spreading the word, I’m going to give you some great reasons why you need a wireless network.

Sharing Internet Access.

Wireless networking gives you a cheap and easy way to share one Internet connection between multiple computers, eliminating the need for more than one modem. You can even add new computers to your network simply by plugging in a wireless card and switching them on — they get an Internet connection straightaway! There aren’t many wired networks that can say that.

Sharing Files and Printers.

A wireless network gives you access to your files wherever you are in your home, and makes it easy to synchronise the data on a laptop with a home computer. It is much easier to send files between computers with a wireless network than it is to send them by email, or even by burning them to a CD.

Plus, with the printer connected, you can also write things wherever you want, press print, and go and collect them from a printer connected to another computer — printers that are plugged into one of the computers on the network are shared between all the computers automatically.

Always On Connection

A big factor in the spread of broadband was that it let Internet connections be always-on, without needing to dial in. Well, wireless networking lets network connections be always-on, meaning that any of your computers can connect to the Internet whenever you want! You can take laptops from room to room, and it doesn’t matter — they’ll always have access. Plus, there’s not even any need to set up a username and password system, as wireless networks work without logging in. It’s just so convenient!

No More Wires.

This, of course, is the biggest reason why you should switch your network over to wireless. Wires are inconvenient, expensive, ugly and dangerous — you’ll be delighted to see the back of them.

The average Ethernet wire doesn’t cost that much per metre, but once you’ve bought enough metres to do whatever you need to do, well, it tends to add up quickly. Not only that, but if you want to run your wire between rooms or floors, you have to knock holes in the walls — which might not even be allowed if you’re renting. I know plenty of people in rented apartments who had to keep their network confined to one room until they went wireless. With wireless networking, well, you can even take your computer outside, if you want to!

No more wires also means no more spaghetti all over the floor and in the corners. Not only does this improve the safety of your home, as it’s all too easy to trip over exposed wires, but it also means that you don’t have to go to all the trouble of packing all the wires up and re-connecting them at the other end when you move. It also means that you don’t have to examine every wire for damage if your Internet connection breaks down.

Play LAN and Internet Games.

You might have seen an option in your favourite game to play over a LAN. Well, wireless networks are LANs, which means that your whole family can play that game together — without needing the computers to be anywhere near each other. It’s far more fun to play against real people you know than to play against random people over the Internet, not to mention that the game will work much faster. You could even invite your friends to bring their computers and join in — a ‘LAN party’!

An added benefit is that wireless equipment lets you easily connect any games consoles you or your kids might have to the Internet, and start playing online. It’s far easier to play online with a wirelessly connected Xbox or PlayStation 2 than to have to connect it to your modem every time.

Convinced Yet?

If you’re excited, then that’s great — keep reading these articles for advice on how to set everything up. If you don’t think it’s for you yet, well, don’t give up on it — I’m sure you’ll come round when you realise just how easy and cheap wireless really is.