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Web Hosting - The Internet and How It Works In one sense, detailing the statement in the title would require at least a book. In another sense, it can't be fully explained at all, since there's no central authority that designs or implements the highly distributed entity called The Internet. But the basics can certainly be outlined, simply and briefly. And it's in the interest of any novice web site owner to have some idea of how their tree fits into that gigantic forest, full of complex paths, that is called the Internet. The analogy to a forest is not far off. Every computer is a single plant, sometimes a little bush sometimes a mighty tree. A percentage, to be sure, are weeds we could do without. In networking terminology, the individual plants are called 'nodes' and each one has a domain name and IP address. Connecting those nodes are paths. The Internet, taken in total, is just the collection of all those plants and the pieces that allow for their interconnections - all the nodes and the paths between them. Servers and clients (desktop computers, laptops, PDAs, cell phones and more) make up the most visible parts of the Internet. They store information and programs that make the data accessible. But behind the scenes there are vitally important components - both hardware and software - that make the entire mesh possible and useful. Though there's no single central authority, database, or computer that creates the World Wide Web, it's nonetheless true that not all computers are equal. There is a hierarchy. That hierarchy starts with a tree with many branches: the domain system. Designators like .com, .net, .org, and so forth are familiar to everyone now. Those basic names are stored inside a relatively small number of specialized systems maintained by a few non-profit organizations. They form something called the TLD, the Top Level Domains. From there, company networks and others form what are called the Second Level Domains, such as Microsoft.com. That's further sub-divided into www.Microsoft.com which is, technically, a sub-domain but is sometimes mis-named 'a host' or a domain. A host is the name for one specific computer. That host name may or may not be, for example, 'www' and usually isn't. The domain is the name without the 'www' in front. Finally, at the bottom of the pyramid, are the individual hosts (usually servers) that provide actual information and the means to share it. Those hosts (along with other hardware and software that enable communication, such as routers) form a network. The set of all those networks taken together is the physical aspect of the Internet. There are less obvious aspects, too, that are essential. When you click on a URL (Uniform Resource Locator, such as http://www.microsoft.com) on a web page, your browser sends a request through the Internet to connect and get data. That request, and the data that is returned from the request, is divided up into packets (chunks of data wrapped in routing and control information). That's one of the reasons you will often see your web page getting painted on the screen one section at a time. When the packets take too long to get where they're supposed to go, that's a 'timeout'. Suppose you request a set of names that are stored in a database. Those names, let's suppose get stored in order. But the packets they get shoved into for delivery can arrive at your computer in any order. They're then reassembled and displayed. All those packets can be directed to the proper place because they're associated with a specified IP address, a numeric identifier that designates a host (a computer that 'hosts' data). But those numbers are hard to remember and work with, so names are layered on top, the so-called domain names we started out discussing. Imagine the postal system (the Internet). Each home (domain name) has an address (IP address). Those who live in them (programs) send and receive letters (packets). The letters contain news (database data, email messages, images) that's of interest to the residents. The Internet is very much the same.

Preparing Questions to Ask in your Upcoming Job Interview When you get ready for a job interview, chances are you have spent a lot of time trying to guess the questions you will be asked and prepare your answers to them. How will you explain that gap in your work history? What will you say when they ask you why you left your last job? In the rush to make sure that you have all of your answers perfectly prepared and ready, don’t forget to prepare a few questions of your own to ask the person who is interviewing you. Asking questions is an important part of your interview. When you get asked the old “do you have any questions for us” one, it pays to actually be able to come back with a few questions instead of a, “no, I don’t think so.” Asking questions will show that you are engaged in the interview and have done some thinking about the position, plus, the questions you ask will help you elicit valuable information you need when you have to decide whether or not to actually take the job, should it be offered to you. The first thing you should want to find out is why the job is open in the first place. Is the job you are applying for a new position? That means you can expect to have a lot of transitional bumps along the way as you are integrated into the company. If the job is not new, and the person before you was fired, then you can expect things to be in a state of disarray when you take over and that you will have to spend a lot of time up front cleaning up spilled milk. If the job is open because the person who had it before you moved up in the company, then you will know that this is a job with a lot of future potential. Next, find out a little bit about the person who will actually be your boss if you get the job. Sometimes, this person will be involved in the interview, but often they will not. Finding out how high up in the company chain you will be reporting will help you gauge how important the position for which you are applying is to the company. Also, it helps to know a little bit about the personality type of the boss to be. If you like to keep your head down and do your work, and your potential new boss is one of those “wacky” types, then you may want to look elsewhere. From there, ask about the kinds of responsibilities you will need to take on board right out of the gate. When companies are hiring for a new position, they usually have a few ideas about what that person will need to start working on right away. Getting a clue about your first project will help you decide if this job is right for you. This is also a good time to ask the interviewer about their job and why they like working the company. You may find out that this really could be your dream job, or you may end up sensing from your interviewer that you should run away, fast. Last but not least, ask your interview when you should follow-up on your interview. Don’t open the door for a “don’t call us, we’ll call you” kind of interview closing. Let the interviewer know to their face that will be making the effort to contact them again. You may get the vibe from your interviewer that the job probably will be going to someone else, so you can move on quickly, or you may end up being offered the job on the spot. Either way, you will have opened the lines of communication to take the next step.

Check Out Powerhouse Wal-Mart's Free Offer Page Are you a Wal-Mart fan looking for the best in freebies and special offers? If so, you are in luck. Although Wal-Mart is not typically considered one of the best sources for freebies or coupon shopping, this giant corporation has recently stepped up its promotions, making many dedicated freebie hunters very happy. Here are some tips on getting the best shot at the best Wal-Mart freebies and promotions. Bookmark the Wal-Mart Promotions Page for Easy Access to Freebies and Deals Wal-Mart, like many other companies, has begun to dedicate a special section of their webpage specifically to free offers, along with other deals and promotions. This page is definitely worth checking out on a regular basis. Bookmark this website if you are serious about getting the latest and greatest Wal-Mart deals and promotions. Some of the offers on the page will be around for a months, while others may disappear in a matter of days. Part of the thrill of being a freebie hunter is being vigilant and not letting the best deals slip away from you. You might even consider setting up your very own freebie calendar to make sure that not one good deal slips by you. Tips and Hints for Getting the Best Free Offers from Wal-Mart If you are new to the world of freebie offers, or you have never visited the Wal-Mart site before, here are some tips for getting the best out of Wal-Mart freebie offers. The Wal-Mart free offers webpage is a great resource if you are really interested in Wal-Mart promotions and freebies. Begin by selecting the offers that interest you more. Once you click on a specific offer, you will have to wait for the page to load that provides you with all the details of the offer. Somewhere on the details page—sometimes you have to hunt around for it—you will find a link for the free sample. Once you click on this free sample link, you will get a pop-up window that provides you with the free offer request form. Make sure that you have enabled pop-up windows so that you do not miss out on any special offers or deals. Figuring Out the Tricks of the Wal-Mart Free Offers Page Some freebie hunters have expressed confusion with the Wal-Mart free offer page. That is, some consumers have complained that the page is often difficult to get to, or that it will not load property. To make sure that you don't have trouble with this important resource, you will want to make certain that you are accessing the page with an updated browser over a secure high speed Internet connection. Although you will probably be able to access the free offers webpage with an older web browser over a slower Internet connection, you will probably be more likely to run into snags. The easiest way to get to the page is to bookmark it directly. Otherwise, you will probably have to take several moments to search for it if you only return to the website periodically. The Wal-Mart front page is crowded with text, images and promotions, which can make it difficult to get to the free offers page. Remember to refresh the bookmarked free offer page every time that you return to it, just to make sure that you are looking at the freshest offers. Are There Any Risks Associated with Getting Freebies from Wal-Mart? If you are concerned about your privacy, you may wonder whether there are any known risks associated with requesting information directly from the Wal-Mart free offers page. Read the company's privacy policy carefully if this is a major concern. The company states that they will not share or sell your personal information. However, be aware that the company may send you their own marketing and promotional materials. You may also receive email mailings.