Posted by: Pdfprep Category: DES-5221 Tags: DES-5221 exam questions, DES-5221 practice exam, EMC Specialist Post Date: November 2, 2020 Pdfprep2020-11-02T16:25:40+00:00 At which layer does LLDP operate?A . 1B . 3C . 2D . 4 View Answer Answer: C Author Pdfprep