http://digfir-published.macmillanusa.com/realcomm4e_new/wiredforcomm_ch04_new.html
Chapter
70. RealComm4e_WiredforComm
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http://digfir-published.macmillanusa.com/realcomm4e_new/wiredforcomm_ch04_new_dlap.xmlDLAP questions59e105627894d2710500000a