Labels:bulletin board | dialog box | digital display | door | earth | fence | grass | oscilloscope | plant | road | rock | sky | tree OCR: Figurc OSI Reference Model Open System Open Systerm Level Laycr ICATION APPT ICATION Vendor Interface PRESENTATION PRSENTATION STSSION SESSION Service TRANSPORT "IRANSTORT NETWORK NETWORK NTTWORK IDAT'A LENK DATA LINK DATA LINK PHYSICAL PHYSICAL PHYSICAL Opcn Layer Protxul APTLICATION APPI Venos PRIESTNTATION OONURIL TENK Netwixi