Posted by: Pdfprep Category: 156-215.80 Tags: 156-215.80 exam questions, 156-215.80 practice exam, CCSA Post Date: November 8, 2020 Pdfprep2020-11-08T07:07:50+00:00 How many layers make up the TCP/IP model?A . 2B . 7C . 6D . 4 View Answer Answer: D Prev QuestionNext Question Author Pdfprep