2. 计算机
  3. Traditional　Internet　access　methods　like　dial-up　were　so　slow　that　host　computers　were　connected　to　the　dial-up(71)at　the　custom

Traditional　Internet　access　methods　like　dial-up　were　so　slow　that　host　computers　were　connected　to　the　dial-up(71)at　the　custom

admin2008-11-02  80
问题 Traditional　Internet　access　methods　like　dial-up　were　so　slow　that　host　computers　were　connected　to　the　dial-up(71)at　the　customer　premise　over　slow(72)ports.　PPP　was　designed　to　run　directly　over　these　serial　links.　But　with　the　advent　of　broadband　Internet(73)technologies　such　as　ADSL　and　cable　modems　there　has　been　a　considerable　increase　in　the　bandwidth　delivered　to　the　end　users.　This　means　that　the　host　computers　at　the　customer　premise　connect　to　the(74)or　cable　"modem"　over　a　much　faster　medium　such　as　Ethernet.　It　also　means　that　multiple(75)can　connect　to　the　Internet　through　the　same　connection.,
选项 A、buffer
B、modem
C、computer
D、server
答案B
解析
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