What is stored in the var directory? 

Correct XML path for setting a module’s setup connection?

What step during the layout loading is the node processed?

Components of a Magneto module?

How to get Magento extension to run javascript when item added to cart?

Who accesses the service layer?

How will you add/remove content from core’s system.xml file?

Define the last fall-back hierarchy

Difference in the effect of calling the invoice capture() method versus the invoice pay() method?

If you sell different products in a bundle, Where do you add a new options to a bundle product?

How do you completely disable a module in Magento?