Only two wires are required to complete a telephone circuit.
Correct Answer:
Verified
Q7: Prior to 1984,AT&T (American Telephone and Telegraph)owned
Q8: Cable modem connections are typically symmetric.
Q9: It wasn't until the 1950s that POTS
Q10: Frame relay is called a layer 6
Q11: Telephone systems were originally designed to transmit
Q13: A cable modem is a physical device
Q14: The Internet can transfer conventional data and
Q15: Most residential DSL services are symmetric.
Q16: Typically,frame relay is a replacement for the
Q17: When they were originally introduced many years
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