You want to display a grid for a custom collection. After extending Mage_Adminhtml_Block_widget_Grid, which two of these methods should you implement?(Choose two)
Which one of the following classes does NOT exist in Magento?
How can you restrict access to a custom API resource?
The initial call to _______________ will create and return an instance of the specified class.Subsequent calls to this method during the same execution cycle will return the same class instance as opposed to creating a new one.
Which entity collects the grand_total and base_grand_total that the different total models collect?
Assume you have product with qty in stock=1, and two people are trying to buy it at the same time. Which of the following statements is true?
