practice tests

Contesting: Good Practices, Interpretations and Suggestions - HF Contesting Good Practices, Interpretations and Suggestions by ARRL

rec.radio.amateur.misc - HAM radio practices, contests, events, rules, etc.

HamStudy.org - Study for your ham radio license with hamstudy.org, a free suite of study tools with user contributed explanations for the questions. Learning flashcards and smart practice tests ensure that you see and learn the full pool while statistics enable you to track your progress.