ocr: Application RPC APPC Named Pipes Presentation XDR Session NetBIOS Sockets LU6.2 Transport SPX FEX Network PUR - Dato Link EE802.5/8023 SDLC Physical Cubling Plant Figure 3. Major Protocols within the OSI model, A5 with figures 1 and: 2, a layer communicates only with the adjacent layers pietured above and below it (not with the layers pictured to the right or left).
