Magento Certified Developer Exam: M70-101

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

A. Mage_Model_Config_Observer

B. Mage_Core_Model_Event_Observer_Abstract

C. Mage_Core_Model_Event_Observer_Interface

D. There is no required inheritance.

E. Varien_Object

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)

A. _getCollection ( )

B. _prepareCollection ( )

C. _prepareColumns ( )

D. toHtml ( )

E. render ( )

Which two of the following methods can be used to bad an entity's data from its configured data table? (Choose two)

A. $entityModel->loadEntity ($id)

B. $entityModel->load ($attributeValue, $attributeCode)

C. $entityModel->loadById ($id)

D. $entityModel->loadEntity ($attributeCode, $attributeValue)

E. $entityModel->load ($id)