How can the Social Accounts and Contacts feature be used to enrich the Salesforce data?

Admin is asked to restrict visibility of cases of a particular record type to 5 users. One user is assigned the Support Manager Profile, while the other four are assigned th Support Representative Profile. How can admin accomplish this?

While Seeing a case record that has a blank field even though that field is set as required on page layout. What may be possible reason for this kind of unexpected behavior ?

What should an administrator consider when moving approval processes using a change set?

Your boss wants you to make a report that shows sales growth year over year, which logical command should you use?