Multiple Choice
Which of the following would a mail order company's customers prefer?
A) 900 number service
B) 800 number service
C) WATS service
D) They would have no preference among these choices.
Correct Answer:
Verified
Correct Answer:
Verified
Q5: Within a LATA,ILECs and CLECs interconnect at
Q6: SONET/SDH uses a _ topology.<br>A)point-to-point<br>B)hierarchy<br>C)mesh<br>D)ring
Q7: Because of the curvature of the earth,microwave
Q8: Plenum wiring is needed for _.<br>A)heavy traffic
Q9: Which of the following is packet-switched?<br>A)ATM<br>B)TDM<br>C)both A
Q11: With 900 numbers,the _ pays and pays
Q12: PTTs were found in _.<br>A)Europe<br>B)United States<br>C)both A
Q13: In TDM,a voice conversation gets the same
Q14: ATM provides quality-of-service for voice.
Q15: Incompatibilities between signaling systems in United States