单项选择题 AfterpurchasingtheActiveMemoryExpansion（AME）EnablementFeature，whattasksmustbecompletedbeforeAMEcanbeused？（）

单项选择题 A Power 770 customer needs to add additional I/O adapters.  There is no room for the cards， so an I/O drawer must be added. What resource will help identify supported I/O drawers and the maximum number of drawers permitted per loop？（）

单项选择题 An electrician needs to know what type of receptacle is required. What is the most up-to-date resource to identify the plug type for the feature code ordered？（）