Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] DAS (directly attached storage) data and voice network convergence, business case for data link layer data networks analog signals, digitization convergence QoS requirements datagrams DDoS attacks decimal-to-binary conversion 2nd decreasing network downtime definition of design dejitter buffers delay dense mode (PIM) deployment planning DES (Data Encryption Standard) design, definition of 2nd design-related vulnerabilities designated ports designing CNs for providing live video to corporations for school curricula developing final network design device addresses per subnet, calculating devices bridges 2nd comparing to switches hubs IP phones routers switches 2nd Layer 2 Layer 3 learning process trunks wireless client devices laptops PDAs user workstations wireless IP phones wireless IP phones, design considerations DiffServ digitization direct mode (content routers) directed broadcasts 2nd directed-broadcast command directly connected routes 2nd distance vector routing protocols split-horizon rule Distribution Coordination Method distribution layer of hierarchical network design design considerations DNS race processes documentation, maintaining domains (IS-IS) DoS attacks dotted decimal notation 2nd DSCP (DiffServ Code Point) bits DSP DTS (Distributed Traffic Shaping) DUAL (Diffusing Update Algorithm) dumb terminals dynamic packet filtering |