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?

Which of the following methods will force an EAV resource collection model to include an attribute in its result
set?

You have used the “refresh”‘ action on the cache management page for the block html cache type. Which of
the following types of cache record would be cleared?

Which of the following xpaths defines the correct XML structure for informing Magento that your module has
install scripts?

How can you update a third-party system with every new order created in Magento?

You want to filter a product collection so that it will return only SKUs 12 and 123. You will use a call to
$collection->addFieldToFilter (‘sku’, ____________ );
Two of the following arrays could be used to complete that call correctly. Which two? (Choose two)

What is the basic class/interface for every model observer class?

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)

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 two public methods must be implemented in a functional custom shipping method directly extending
Mage_Shipping_Model_Carrier_Abstract and also implementing Mage_Shipping_Model_Carrier_Interface?
(Choose two)