... January 7, 2000 5:35 PM Cisco Press201 W 103rd StreetIndianapolis, IN 46290 CCDA Exam Certification Guide A. Anthony Bruno, CCIE #2738Jacqueline Kim, CCDA CH01.book Page i Friday, January ... between virtual LANs (VLANs)•Media translations (for example, between Ethernet and Token Ring)•Redistribution between routing domains (for example, between two different routing protocols)•Demarcation ... because technologies such as voice and video are sensitive to bandwidth congestion and errors. For example, voice data arriving in the wrong order would make conversations very difficult.An excellent...