[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] Open Systems Interconnect reference model. [See OSI] operating files location operational modes (routers) global configuration mode 2nd other modes 2nd overview 2nd 3rd 4th privileged mode 2nd RXBOOT mode 2nd setup mode 2nd user mode 2nd Optical Time Domain Reflectometer OSI (Open Systems Interconnect reference model) Application Layer (Layer 7) Data Link Layer (Layer 2) 2nd 3rd example of operation 2nd 3rd 4th 5th importance of Network Layer (Layer 3) 2nd overview 2nd Physical Layer (Layer 1) 2nd Presentation Layer (Layer 6) receiving station operations 2nd rules of operation 2nd Session Layer (Layer 5) Transport Layer (Layer 4) other modes (routers) 2nd |