Earning a Microsoft certification acknowledges your expertise in working with Microsoft products and technologies. The IT industry, your employer, clients and peers will recognize your MCP credential as a symbol of the skills and knowledge you've gained through experience.
Microsoft certification shows that you are a technical leader with the ability to successfully implement Microsoft business solutions for your organization or client.
Free practice tests from http://www.ezlookin.com/forums.html can help you prepare for certification exams. Although your score on a practice test does not necessarily indicate what your score would be on a certification exam, a practice test gives you the opportunity to assess your knowledge and readiness and provides feedback. Practice tests help you gain confidence and identify areas in which you may need some additional study, training, or experience.