Question 56

Which of the following sites support service adding/dropping?
  • Question 57

    The process from C4 to VC4 during the multiplexing process is rate adaptation.
  • Question 58

    In the case of 1+1 linear MSP, which of the following switching modes does not require the APS protection protocol to be enabled? (Multiple choice)
  • Question 59

    The number of error blocks in each VC4 channel is detected by B3 at the receiving end. At the same time, this information is sent back to the transmitting end by which of the following items? and reported as HP.REI and OHP-FEBBE at the transmitting end.
  • Question 60

    The segment overhead of STM-4 is 9+9+4 lines/frame.