text: full information about adsl networking how can do the work its? campair with adsl and dail-up networking adsl strengths      * much faster connectivity     * always online     * more bandwidth/faster download speed     * instant authentication     * fixed monthly costs, no worry about mounting call costs & high telephone charges  adsl weaknesses      * higher cost for occasional users     * require a bt phone line     * not available for all customers     * asymetric service with lower upload capacity  dialup strengths      * stable, proven technology     * no monthly bill if not used     * performance adequate for email and light web surfing     * lower security risk as not "always on"  dialup weaknesses      * possible large telephone bills     * larger web pages will take longer to download