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  2. Network administrator - Wikipedia

    en.wikipedia.org/wiki/Network_administrator

    Network administrator. A network administrator is a person designated in an organization whose responsibility includes maintaining computer infrastructures with emphasis on local area networks (LANs) up to wide area networks (WANs). Responsibilities may vary between organizations, but installing new hardware, on-site servers, enforcing ...

  3. Network operations center - Wikipedia

    en.wikipedia.org/wiki/Network_operations_center

    The earliest NOCs started during the 1960s. A Network Control Center was opened in New York by AT&T in 1962 which used status boards to display switch and routing information, in real-time, from AT&T's most important toll switches. AT&T later replaced this Network Control Center with a modernized NOC in 1977, located in Bedminster, New Jersey.

  4. System administrator - Wikipedia

    en.wikipedia.org/wiki/System_administrator

    An IT administrator, system administrator, sysadmin, or admin is a person who is responsible for the upkeep, configuration, and reliable operation of computer systems, especially multi-user computers, such as servers. The system administrator seeks to ensure that the uptime, performance, resources, and security of the computers they manage meet ...

  5. Professional network service - Wikipedia

    en.wikipedia.org/wiki/Professional_network_service

    Professional network service. A professional network service (or, in an Internet context, simply a professional network) is a type of social network service that focuses on interactions and relationships for business opportunities and career growth, with less emphasis on activities in personal life. [1]

  6. Technical support - Wikipedia

    en.wikipedia.org/wiki/Technical_support

    Technical support, also known as tech support, is a call centre type customer service provided by companies to advise and assist registered users with issues concerning their technical products. [1] Traditionally done on the phone, technical support can now be conducted online or through chat. At present, most large and mid-size companies have ...

  7. Computer network - Wikipedia

    en.wikipedia.org/wiki/Computer_network

    A computer network is a set of computers sharing resources located on or provided by network nodes. ... Computer networks support many applications and services, ...

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