Posted by: Pdfprep Category: 400-201 Tags: 400-201 exam questions, 400-201 practice exam, CCIE Post Date: January 9, 2021 Pdfprep2021-01-09T00:56:12+00:00 Drag and drop the SONET alert types on the left onto the correct severities on the right View Answer Answer: Author Pdfprep