What are three of the fields used in defining a CSQ in IPCC Express Enhanced?（）

A.Common Service Queue  
B.Competency Service Queue  
C.Common Skill Queue  
D.Contact Skill Queue  
E.Contact Service Queue  
F.Competency Skill Queue  

A.resources  
B.Skill Groups  
C.competence levels  
D.Resource Groups

A.Create Resource Groups  
B.Create Skills  
C.Assign Resource Groups and Skills to Agents  
D.Create Contact Service Queues  
E.Provision Remote Monitoring  
F.Provision Agent-based Routing