[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [R] [S] [T] [U] [V] [W] [X] [Z] Hardware layer (TCP/IP model) header UDP (User Datagram Protocol) 2nd header (TCP) 2nd 3rd fields 2nd header formats IPv6 2nd 3rd 4th headers IPv6 hexadecimal IPv4 addresses HINFO (Host Info) hme driver 2nd hold down timers option RIPfv1 (Routing Information Protocol Version 1) hop limit header field (IPv6) hopcount RIPfv1 (Routing Information Protocol Version 1) 2nd Host Info (HINFO) host records (DHCP) storing host-based addressing hostnames (DHCP clients ) aquiring 2nd 3rd requesting 2nd hosts multihomed http (Hypertext Transfer Protocol) hubs hubs (star topologies) Hypertext Transfer Protocol (http) |