Why is dsl so much faster than phone modems

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Reference no: EM131832055

Problem

1. Phone modems and digital subscriber lines (DSLs) use the same kind of phone line to transfer data. Why is DSL so much faster than phone modems?

2. Why do DSL and cable modem suppliers use technology that devotes more speed to downloads than to uploads?

3. Messages sent across the Internet are divided into packets. What is a packet and why are messages divided into them?

Reference no: EM131832055

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