Microsoft recently announced <A HREF="http://www.certcities.com/editorial/news/story.asp?EditorialsID=472">two new exams</A> for its 2003 Microsoft Certified System Administrator (MCSA) and Microsoft Certified System Engineer (MCSE) credentials. According to CertCities, the first, 70-284, Implementing and Managing Microsoft Exchange Server 2003, appeared on the list of electives for both titles last week. The second, Exam 70-299: Implementing and Administering Security in a Microsoft Windows Server 2003 Network, was added earlier this week.