Matching Pairs OSI LayersOnline version Matching the OSI Layers by Julie Myers 1 Physical Layer 2 Presentation Layer 3 Session Layer 4 Transport Layer 5 Data Link Layer 6 Application Layer 7 Network Layer Encryption, Provides data transformation to provide common interface and Compression Bitstream, Cabling Media, and Signal Error Handling at the frame level, Frame, and the Physical Address (MAC) Error recovery and flow control, User Datagram Protocol (UDP), and Port Logical IP Address, Data routing and relaying standards, and Packet Establishes, manages and ends user connections, Manages interaction between end systems, and Data syncing between applications Provides services directly to user applications, Authentication and HTTP & FTP used at this layer