online services is a for-profit firm that provides a proprietary network offering special services that are avilable only to subscribers.
ISPs have several roles and responsibilities, providing and maintaining a connection to the internet. ISP must support the hardware and softwarre needed to service that connection. They need protect their site and network from external threats such as:
- viruses
- hacker attacks
- other illegal activities
- they should provide 24-hour customer services and technical support.
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