Posted by: Pdfprep Category: 300-320 Tags: 300-320 exam questions, 300-320 practice exam, CCDP Post Date: October 28, 2020 Pdfprep2020-10-28T00:15:35+00:00 Which QoS mechanism uses PHBs?A . DiffServB . IntServC . CoSD . ToS View Answer Answer: A Author Pdfprep