A modem and router work in tandem to deliver you an internet connection and then grant access to your various devices.

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You can connect a DSL modem to a D-Link router by using an Ethernet cable and then entering your DSL username and password. Most DSL modems have a built-in router ...

Jim Rossman / TNS This week, a reader writes, "I’ve had AT&T internet service for quite some time and still have the original router and modem. Should I upgrade for security and performance reasons?