Network Hardware Devices

Network Hardware Devices

1. Purpose and Use of ISDN

   • Integrated Services for Digital Network (ISDN)
   • A set of communication standards
   • Simultaneous digital transmission of voice, video, data, and other network services
   • The traditional circuits of the public switched telephone network

2. Purpose and use of Dial Up Connection

   • Dial-up Internet access is a form of Internet access
   • that uses the facilities of the public switched telephone network (PSTN) to establish a dialed connection to an Internet service provider (ISP) via telephone lines.

3. Purpose and Use of ADSL

   • Asymmetric digital subscriber line (ADSL) is a type of digital subscriber line (DSL) technology.
   • a data communications technology that enables faster data transmission over copper telephone lines than a conventional voiceband modem can provide.