Before you start preparing for 642-825 or 642-845, it is important that you decide if you want to do EX0-101 or 642-552 and that whether you will be doing 70-294 or not.
When you’re creating together a web site, the seomag content for that site often presents one of the greatest content, especially if it’s a site that includes hundreds of pages. Many people purchase bits of content, or even scrape content from other web sites to help populate their own. These shortcuts can cause real issues with google search engines. If your web site is about some form of marketing. It’s very easy to surf around the Web and find hundreds of web sites from which you can pull free. The problem is that every other new person or company creating a web site could be doing the same thing. A single article on a topic appears on hundreds of web sites. If the crawler examines your site and finds that much of your content is also on hundreds of other web sites, you run the risk of either ranking low or being delisted from the search engine’s indexing database.