Up to 25 custom lookup fields can be defined per object.

Northern Trail Outfitters wants to use Contact Hierarchy in its org to display Contact association.
What should the administrator take into consideration regarding the Contact Hierarchy?

The Director of Sales wants a report that shows the trending performance of his sales reps. He would like to see the trend by month, with a review of the previous 6 months. Which report format would you use to create this custom report?

CORRECT TEXT
Data validation rules impact all supported objects except for...

How many records of a custom object can a System Admin import using the Salesforce Import Wizard?