Which two rules can be configured for the Opportunity object? (Choose two.)

The CRM Manager at Universal Containers has requested that a custom text field be converted to a picklist in order to promote better data hygiene.
Which two actions should be considered before changing the field type? (Choose two.)

Which of the following sequences of milestones would represent a typical application lifecycle?

Universal Containers has deployed custom tabs to Production via change sets, without including the profile settings.
What statement is true about the visibility of custom tabs in Enterprise Edition?

Which two are features of Schema Builder? (Choose two.)