Most exercises are designed to be easy enough that they can be finished in a reasonable amount of time in a classroom situation while the instructor observes, making sure that all the students are absorbing the material.
Some exercises are more advanced to prevent boredom for experienced students.
The majority are designed to be solved in a short time and test and polish your knowledge. Some are more challenging, but none present major challenges. Knowledge Market . For tons of Windows technology resources, check out the Windows Programming directory . Here's your chance to win Windows 2000 Professional.