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Free H31-311 Exam Braindumps (page: 15)

Page 14 of 44
PDF with 186 Questions

When a fiber cut test is performed on a normal MSP ring, which of the following alarms is reported? (Multiple Choice)

  1. TU-AIS
  2. R-LOS
  3. APSJNDI
  4. BD STATUS

Answer(s): B,C



Which of the following statements about the 1+1 protection of cross-connect boards are correct? (Multiple Choice)

  1. The source service board sends services to the active and standby cross-connect boards.
  2. After service cross-connections are completed, the active and standby cross-connect boards send the data of the active cross-connect board to the sink service board.
  3. The sink service board can receive only the data from the active cross-connect board.
  4. The buses of the two cross-connect modules work independently and do not interfere with each other.
  5. The dual-bus system structure indicates that the service board performs dual feeding of data to the cross-connect side and selective receiving of the data on the cross-connect side.
  6. Two cross-connect boards have the same configuartion. Service boards will selectively receive services from one of them based on the quality of services and status of cross-connect boards.

Answer(s): A,D,E,F



Which of the following statements about extended ECC is incorrect?

  1. Extended ECC is classified into automatic extended ECC and extended ECC in specified mode.
  2. Automatic extended ECC indicates using a straight-through cable to connect the Ethernet ports of two NEs.
  3. Extended ECC in specified mode indicates that the server and client need to be specified.
  4. Automatic extended ECC can be enabled on a maximum of four NEs. In manual extended ECC mode, each server can be connected to a maximum of three clients.

Answer(s): D



For the OSN 3500, there is a slot mapping relationship between processing boards and interface boards. The processing board in slot 1 maps to the interface board in slot 19-20.

  1. TRUE
  2. FALSE

Answer(s): B






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