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____________ is used by IM and other applications that provide voice services over lower-speed digital circuits.
Q5: Which of the following is not a
Q14: IP is responsible for error-free delivery of
Q20: An) _ is similar to an intranet
Q29: The _ layer performs error checking which
Q64: Describe the tools that can be used
Q72: TCP/IP is a data link protocol that
Q79: A local area network LAN) connects other
Q102: What is the typical sampling network in
Q108: _ provide information about resources on the
Q121: What devices are needed to build a