Salesforce Platform-App-Builder Exam With Confidence Using Practice Dumps

 A formula field cannot be referenced by a roll-up summary field if it contains a cross-object field reference or a time-based function. A cross-object field reference is a reference to a field from a different object, such as Account. Name on a Contact object. A time-based function is a function that returns the current date or time, such as NOW() or TODAY(). Option A and C do not prevent a formula field from being referenced by a roll-up summary field.

 Apex. This is correct because Apex is a programming language that can perform complex logic and manipulate data in Salesforce. Apex can be used to create a trigger on the opportunity object that copies the value of the billing state from the related account record when the opportunity is created, and prevents it from being changed afterwards. The other options are not suitable for this requirement because they either cannot copy data from a related object (formula field, roll-up summary field) or cannot prevent data from being changed (workflow).

 Groups is available in the Chatter section of the navigation menu, not in the selected list for the navigation menu. According to the Salesforce documentation, “Groups appear in Chatter, not in Navigation Menu.” Groups is not available in the recent section of the navigation menu, nor is it included in the Smart Search items but unavailable on the navigation menu. Groups is unavailable in the selected list for the navigation menu.