3. OSI 7 layer OSI Model Data unit Layer Function Host layers Data 7. Application Network process to application 6. Presentation Data representation, encryption and decryption, convert machine dependent data to machine independent data 5. Session Interhost communication, managing sessions between applications Segments 4. Transport Reliable delivery of packets between points on a network. Media layers Packet/Da.. 더보기 이전 1 2 3 4 5 6 7 ··· 134 다음