A.The administrator hasn't enabled Social Contacts for Facebook.

B.None of his Facebook contacts have confirmed the nature of their relationship.

C.Facebook is no longer supported by Social Contacts.

D.The salespersons login with Facebook has expired.

A.Text

B.Email

C.Currency

D.Phone

E.Percent

A.Apex Classes

B.Validation Rules

C.Apex Triggers

D.Visualforce Pages

A.Force.com Migration Tool

B.Change Set

C.Unmanaged Package

D.Force.com IDE

E.Data Loader

A.Unmanaged packages should not be used to migrate components from a sandbox to production organization. Instead, use Change Sets.

B.The developer who created and uploaded the unmanaged package has no control over the installed components, and can't change or upgrade them.

C.Once the components are installed from an unmanaged package, the components can be edited in the organization they are installed in.

D.All of the above.