Plenum wiring is needed for ________.
A) heavy traffic loads
B) safety
C) Both A and B
D) Neither A nor B
Correct Answer:
Verified
Q5: Because of the curvature of the earth,microwave
Q6: Which of the following is good for
Q7: In TDM,time is first divided into brief
Q8: Satellite _ operate on a point-to-point basis.
A)uplinks
B)downlinks
C)Both
Q11: _ is widely used in Europe for
Q12: Which of the following is packet-switched?
A)ATM.
B)TDM.
C)Both A
Q13: SONET/SDH uses a _ topology.
A)point-to-point
B)hierarchy
C)mesh
D)ring
Q14: Cross-connect devices are found in _.
A)PBXs
B)equipment rooms
C)telecommunications
Q14: In telephone wiring,there needs to be four
Q15: In data wiring,there needs to be four
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