Dial-up ISDN does not convert a computer's digital signals to analog before transmitting them over the PSTN.
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Q1: In a star topology, a single connection
Q2: _ WANs are the most fault-tolerant type
Q3: Because WAN connections require routers or other
Q4: After SONET, BPL has the best maximum
Q5: On most modern WANs, a ring topology
Q7: The _ encompasses the entire telephone system,
Q8: ATM is a WAN technology that functions
Q9: In a process called _, two 64-Kbps
Q10: A(n) _ is the place where a
Q11: _ means that a telephone company connects
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