The CSU/DSU has three alarm modes for advising the user about problems on the link. What does a blue alarm indicate?
A) Failure in the link has been detected
B) Incoming signal has been corrupted
C) Total loss of incoming signal
D) Incoming signal has been detected
Correct Answer:
Verified
Q3: Which of the following is the standard
Q4: A square-wave signal is a digital _.
A)waveform
B)circuit
C)transmission
D)distortion
Q5: Who provides the switch for the frame
Q6: A _ is a packet switching network
Q7: What type of effect does noise have
Q9: What is the primary function of the
Q10: The connection paths for telephone service were
Q11: What is the purpose of framing?
A)To maintain
Q12: Transmission of information in a communications link
Q13: Which of the following do line codes
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