OSI Model & Transport Fundamentals
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Terms in this set
- OSI Model A seven-layer conceptual framework that standardizes how network functions communicate, from physical signaling to applications.
- TCP Transmission Control Protocol — a connection-oriented Layer 4 protocol that guarantees reliable, ordered delivery.
- UDP User Datagram Protocol — a connectionless Layer 4 protocol that sends data fast with no guarantee of delivery.
- Three-Way Handshake The SYN, SYN-ACK, ACK exchange that establishes a reliable TCP connection.
- IP Address A logical Layer 3 address that uniquely identifies a device on a network.
- IPv6 The 128-bit successor to IPv4, written in hexadecimal, that vastly expands the address space.
- ARP Address Resolution Protocol — maps a known IP address to its MAC address on a local network.
- MAC Address A 48-bit hardware address burned into a network interface, used for Layer 2 delivery.