A data mart is a subject-oriented archive that stores data and uses the retrieved set of information to assist and support the requirements involved within a particular business function or department. Data marts exist within a single organizational data warehouse repository. Data marts improve end-user response time by allowing users to have...
A computer network technician is an IT professional employed by a business entity to help with the creation, maintenance, and troubleshooting of present and future computer network hardware and software products, in support of business operations. A network technician is responsible for the setup, maintenance, and upgrading of networks and resources and prepares presentations for educating management about the need for upgrading network resources.
Computer network technicians perform physical and investigative processes including technical support. Usually, experienced IT technicians specialize in a single area such as information systems, data recovery, network management, or system administration. A computer network technician needs to have the following abilities or knowledge:
System administrators may also work with computer network technicians. Depending on the business, which may range from local area networks (LANs) to wide area networks (WANs) and Internet Service Provider (ISP) networks, such technicians may manage network hardware including multiplexers, demultiplexers, fiber optics, signal amplifiers (like Erbium-Doped Fiber Amplifiers), routers, switches, and wireless networks.
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