Categories Uncategorized Layer 1 of the OSI Layer- Physical Post author By administrator Post date January 12, 2020 No Comments on Layer 1 of the OSI Layer- Physical Today’s post is going to be fairly short as the physical layer is the easiest to understand. The 1st layer of the OSI model is the Physical layer. This layer covers the actual physical infrastructure. the cable, the jack, the connection. ← Networking OSI Layers → Layer 2 of the OSI Model – Data Link Layer Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Δ This site uses Akismet to reduce spam. Learn how your comment data is processed.