为了参加salesforce考试， 准备了很长时间。 觉得下面几点要非常注意，深入研究。
<!--[if !supportLists]-->1.
<!--[endif]-->What should be considered when creating an application?
<!--[if !supportLists]-->2. <!--[endif]-->Force.com consideration.
<!--[if !supportLists]-->3. <!--[endif]-->Data Loader
<!--[if !supportLists]-->a. <!--[endif]-->Limits
<!--[if !supportLists]-->b. <!--[endif]-->What situations are suitable for data load
<!--[if !supportLists]-->4. <!--[endif]-->Validation rule and formular
<!--[if !supportLists]-->5. <!--[endif]-->Cross object formular field
<!--[if !supportLists]-->6. <!--[endif]-->Field level security
Profile
Owd
Role
Sharing rule
Manual sharing
Workflow and approval process
<!--[if !supportLists]-->7. <!--[endif]-->Dashboard conponents
<!--[if !supportLists]-->8. <!--[endif]-->Formular and Apex
<!--[if !supportLists]-->9. <!--[endif]-->Currencies
<!--[if !supportLists]-->10. <!--[endif]-->Encrypted filed
<!--[if !supportLists]-->11. <!--[endif]-->Force.com Sites security
<!--[if !supportLists]-->12. <!--[endif]--> Approval process for mobile device
<!--[if !supportLists]-->13. <!--[endif]-->When loading data, which will save or missed
<!--[if !supportLists]-->14. <!--[endif]-->Global object
<!--[if !supportLists]-->a. <!--[endif]-->Relationship
<!--[if !supportLists]-->b. <!--[endif]-->introduction
<!--[if !supportLists]-->15. <!--[endif]-->Assignment or Es Assignment or Escalation Rules calation Rulesv
要多做题：
http://www.allaboutsfdc.com/
http://www.proprofs.com/quiz-school/story.php?title=dev-401-certification