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(i) DSL-Digital subscribe Line is a family of technologies that a e used to transmit digital data over telephone lines. In telecommunicatons marketing.
ii) In telecommunicatons,cable Internet access, shortened to cable. Internet is a form of broadband. Internet is used to the same infrastructure as a cable television
iii) It is a third generation of wireless mobile telecommunicatons technology. It is the upgrade for 2.5G and 2.5g GPRS network, for faster data transfer.
iv) Wi-Fi is defined as an abbreviation for wireless fidelity, by which we can access or connect to a network using radio waves without using wires
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