Labels:text | screenshot | font | number OCR: 7 Application Layer Telnet, FTP Gopher, and so on 6 Presentation Layer Application Programming Interface 5 Session Layer 4 Transport Layer TCP, UDP 3 Network Layer IP, ICAP, ARP, RARP 2 Data Link Layer Link-level interface, Medium Access Control (MAC) Drivers Physical Layer Ethernet, Token Ring, FDDL, serial modem Figure 1: The ISO/OSI model for TCP/IP.
