Final answer:
The page mode properties mostly require you to specify the Page Name, which is used to identify and manage the page within an application or system.
Step-by-step explanation:
The page mode properties require you to specify certain pieces of information that define how a page within an application or website should operate. One of the key settings often required is the Page Name, which identifies the page within the system. The Page Name is essential for referencing the page in code and for the software to manage its display and features appropriately. While other attributes such as data type, maximum length, and page class can be important in other contexts, when configuring the mode properties of a page, it is typically the page's name that is the primary requirement.