Now comes the foremost facet of Microsoft certification testing. The actual (final) Microsoft certification testing exams are administered by Prometric and Virtual University Enterprises (VUE). These two are the leading providers of technology-based testing. Both of them offer a web of computer-based testing centers having thousands of locations all around the world. To appear in the Microsoft certification exams, you will have to register with Prometric or VUE online or via phone. It is very important to note that Pearson VUE will stop selling Microsoft professional certification exams w.e.f August 31, 2007.
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