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The role of the network administrator can vary significantly depending on an organization's size, location, and socioeconomic considerations. Some organizations work on a user-to-technical support ratio, [1] [2] [3] Network administrators are often involved in proactive work. This type of work will often include: [citation needed]
Computer network engineering is a technology discipline within engineering that deals with the design, implementation, and management of computer networks. These systems contain both physical components, such as routers , switches, cables, and some logical elements, such as protocols and network services .
Network engineering may refer to: Internetworking, service requirements for switched telephone networks; Computer network engineering, the design and management of computer networks; Telecommunications Engineering, developing telecommunications network topologies; Broadcasting, spreading messages to a dispersed audience electronically
This page was last edited on 16 February 2011, at 02:59 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
A NOC engineer has several duties in order to ensure the smooth running of the network. They deal with things such as DDoS attacks, power outages, network failures, and routing black-holes. There are of course the basic roles, such as remote hands, support, configuration of hardware (such as firewalls and routers, purchased by a client).
Repeaters work on the physical layer of the OSI model but still require a small amount of time to regenerate the signal. This can cause a propagation delay that affects network performance and may affect proper function. As a result, many network architectures limit the number of repeaters used in a network, e.g., the Ethernet 5-4-3 rule.