(pronounced knock) Also known as network control center (NCC). A centralized location from which a large, complex network and its component subnetworks and network elements can be monitored, and faults or performance failures can be identified, diagnosed, isolated, and often corrected. See also network, network element, and subnet.
(Network Operations Center) A central or regional location for monitoring a large network. Also called a "network management center" (NMC), "service management center" (SMC) or "network control center" (NCC), a NOC may be used to manage a large enterprise network, telecommunications network or TV broadcasting network. See network control center.