How many types of Client Object model extensions are available in 2010 and when would you use one or the other? When would you use a Different Site Collection for your new site? How would you pass user credentials while using SharePoint WebService from your Web Part or application? How can you force SPQuery to return results from all the folders of the list? How to package a Content-Type and a Site Column into a deployable package? What is the primary change with MySite document libraries in 2013? How Do I Upgrade the Service Applications Database to SharePoint 2013?