some useful links

SFDC Scenario s	http://www.srinivas4sfdc.com/2015/12/scenario-based-salesforce-interview.html
Interview questions	http://theblogreaders.com/salesforce-interview-questions-and-answer/#.VodF-_krLIU
Interview	http://theblogreaders.com/category/salesforce/#.VodF_fkrLIU
sandbox and Deployments Process	http://www.salesforcetutorial.com/metadata-migrations-salesforce/
test & Load dataloader	http://www.jitendrazaa.com/blog/salesforce/using-test-loaddata-to-import-records-with-relationship/?utm_content=bufferf951e&utm_medium=social&utm_source=facebook.com&utm_campaign=buffer
admin and Dataloader	http://www.crmsalesforcetraining.com/salesforce-administrator-interview-questions-part-1/
Triggers	http://www.vinaychaturvedi.com/apex-triggers-in-salesforce/