How to chose?

Army Civilian eligible
30 percent Disabled Veteran
VRA eligible VRA Wizard
VEOA eligible
EO 12721 eligible
Defense Contracting Management Agency (DCMA) civilian eligible
I am confused, don't know how to chose? thanks
Transfer Eligible
Reinstatement eligible
ICTAP eligible
Person with Disabilities eligible
DCIPS/CIPMS Interchange eligible
NAF Interchange eligible
Non Status Eligible, including overseas limited and temporary employee
DCIPS employee applying for DCIPS
Student Employment
Summer Employment
Military Spouse preference eligible MSP Wizard
Family member preference eligible (overseas) FMP Wizard
Family member no preference eliglible (overseas) FMP Wizard
Reemployment Annuitant
Other Interchange Agreement
EO 13473 Eligible