Configuration
- What are different types of Editions?
 - What is Report Types?
 - What is Record Types?
 - Difference b/w Hashtags and Topics?
 - What is Web To Lead?
 - What is wsdl to apex?
 - Explain security Model supported in SFDC?
 - Why Permission Sets are important even though Profiles are available?
 
APEX
- Difference between List and Set ?
 - Difference between SOQL and SOSL?
 - How to convert lead using APEX?
 - How to prevent recursive call of trigger ?
 
Design 
- Why Multi-Organization salesforce implementations suited in some scenerios?
 - How data synchronization , data consolidation and data migration supported in Multi - org implementations?
 - What are deployment methodologies supported in SFDC Cloud?
 - Disadvantages of SFDC Cloud?
 - If client requirement is creation of just some custom object , sharing data with external application and Data loader support to load data into the custom object. What is the best edition to support all these requirements?
 - How salesforce support WSDL based integration?
 
