HCM Certification _C_THR12_64_HCM _ERP6_EHP4 _Asso. Level

Hi All,

I am planning to do SAP HCM Assicoat eLevel certification-  C_THR12_64_HCM _ERP6_EHP4 , is this available or with new exam code, which one is the easy one.

few clarif:

1. C_THR12_64_HCM _ERP6_EHP4 is this certification code available, if not what will be latest for the same.
2. what should be the materials ref for this (Eg: THR_10_1/2, THR12_1/2)
3. from where I will get sample questions
4. which site I can ref for SAP HCM Certification .

thanks

SK