11. The network component / connectivity model, and associated diagrams, must always be kept absolutely up to date. 12. The Node Alive messages are used to advise other network components that a node has started service. 13. Chatsworth's MRV Communications Inc ., a manufacturer of network components , surged 19 percent up, closing at $ 6.41. 14. The CMS software is Industry standard software using middle-ware and products, hardware components and LAN / WAN network components . 15. Other network components ( e . g ., workstations ) include configuration choices related to the type of component. 16. The first of these areas, the " network components " effort, focuses on the core of BellSouth's phone business. 17. The course provides knowledge of the major network components and helps learners to understand how service provider networks function. 18. The sizes of network components can be more readily modified and recalculated on a computer than through a manual process. 19. In networking, it does not allow management of remote network components independently of the current status of other network components. 20. Chatsworth's MRV Communications Inc ., a manufacturer of network components , surged 19 percent up, closing at $ 6 . 41.