Which three of the following will return an instance of a resource model? (Choose three)
A.
Mage::getResourceModel( ‘customer/customer1);
B.
Mage::getResourceSingleton(‘customer/customer’);
C.
Mage::getModel(‘customer/customer’)->getResourceModel();
D.
Mage::getResourceModel(‘customer/customer’)->getInstance();
E.
Mage::getModel(‘customer/customer’)->getResource();
F.
Mage:: getRe sour ceModel ‘customer/customer’ )->getRe source ();