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WANs that need to interconnect a very large number of sites.(a) bus(b) two-tiered(c) three-tiered(d) ringThis question was addressed to me by my school principal while I was bunking the class.I need to ask this question from Internetworking topic in portion Data Communications and Computer Networks of Computer Fundamentals

Answer» RIGHT CHOICE is (c) three-tiered

For explanation: Wide Area Networks that need to interconnect a very large number of sites, or are built USING smaller routers that can support only a few serial connections, MAY find the two-tiered architecture insufficiently scalable.


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