The 70-552 exam, upgrade: MCAD Skills to MCPD Windows Developer consists of between 90-100 questions which are taken from all exams which comprise MCPD Windows Developer.
The MCPD certification is made up of questions from 70-536, 70-526 and 70-548. The actual 70-552 exam consists of 3 large sections, each section being one of the three exams. Once you have completed a section, you cannot go back – so if you have passed through the 1st section for exam 70-536, you cannot go back to change your answers at a later stage.
Upgrade exams such as 70552 are typically much longer than stand alone exams like 70-536. This is literally because they encompass material from all the exams that make up the certification. Be prepared to answer questions on all of the following for 70-552:
Core Data Access with Microsoft Visual Studio 2005
Advanced Data Access with Microsoft Visual Studio 2005
Core Windows Forms Technologies with Microsoft Visual Studio 2005
Advanced Windows Forms Technologies with Microsoft Visual Studio 2005