The first electronic data communication system was the telephone developed by Alexander Graham Bell.
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Q1: The Internet was started by the U.S.Department
Q2: An intranet is a LAN that uses
Q2: The OSI model is the most widely
Q3: Due to recent advances in high speed
Q5: Ethernet is an example of a network
Q7: The first transcontinental telephone service was established
Q8: The application layer is the seventh layer
Q9: According to John Chambers, CEO of Cisco
Q9: One perspective of data communications and networking
Q10: An Inter-Exchange Carrier (IXC)provides only local telephone
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