Posted by: Pdfprep Category: DES-5221 Tags: DES-5221 exam questions, DES-5221 practice exam, EMC Specialist Post Date: January 15, 2021 Pdfprep2021-01-15T20:21:39+00:00 Which field in an IP header is used for QoS marking?A . ToSB . SAC . CoSD . DA View Answer Answer: A Author Pdfprep