Most Microsoft trainers and other experts recommend beginning with the required desktop exam, which may be either...
70-210 (Windows 2000 Professional) or 70-270 (Windows XP Professional). Of those two choices, 70-270 is strongly recommended.
10 PREP STEPS TO THE MCSA AND MCSE CERTIFICATION
Step 01: Choose your target Windows version
Step 02: Establish exam choices and order
Step 03: Deal with the desktop first
Step 04: Security options may appeal
Step 05: Digging into server and admin requirements
Step 06: Complete outstanding electives (optional)
Step 07: Completing the Core Exam (MCSE only)
Step 08: Prepping for individual exams (The self-study prep approach)
Step 09: Prepping for individual exams (The class-driven prep approach)
Step 10: Best exam prep practices