A.Use the install PREVIEW option to view a list of all updates that will be rejected
B.Use the lslpp -d command to view the dependent filesets that will be rejected
C.Select the SMIT option to Verify Software Requisites and Installations first to generate a list of all applied updates.
D.Select the SMIT option to List the Maintenance Level of a Software Product to double check the update level that should be removed
参考答案：A
