Which statement about changeset deployments is accurate? Choose 3 answers

1. They require a deployment connection
2. They can be used only between related organisation
3. They use an all or non deployment model
4. They can be used to transfer contact records
5. They can be used to deploy custom settings data

Is it 1,2,3 or 1,2,5 ?

documentation states Custom settings but not custom settings data....Please clarify....