What is trigger.old and when do you normally use it?
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How many types of relationship in salesforce?
How can we communicate between two component?
What is the Recycle Bin?
What is a sandbox org? What are the different types of sandboxes in salesforce? : salesforce crm
What should be done to override the governor limit that restricts you from fetching more than 50,000 records in a soql query ?
What is a role and role hierarchy? : salesforce admin
What is the difference between customer portal and partner portal?
What are sharing rules in Salesforce?
How to reduce Apex heap size?
Explain what is the limit of data.com records that can be added to Salesforce?
How you will make a class available to others for extension? (Inheritance concept)
What are the different types of collections in apex?