Free H31-311 Exam Braindumps (page: 5)

Page 4 of 44

Which of the following can be the center wavelengths of the pump sources in an EDFA? (Multiple Choice)

  1. 980 nm
  2. 1510 nm
  3. 1480 nm
  4. 1310 nm

Answer(s): A,C



Which of the following is the meaning of SFD in the Ethernet frame structure?

  1. Preamble
  2. Frame check sequence
  3. Start frame delimiter
  4. Payload

Answer(s): C



OTM nr.m consists of a maximum of "n" optical multiplexing channels and does not support non-channel-associated overheads. The letter "r" indicates function reduction.

  1. TRUE
  2. FALSE

Answer(s): A



Which of the following are communication quality alarms? (Multiple Choice)

  1. Optical port loopback
  2. No login of an NE user
  3. NE communication interruption
  4. Loss of optical signals

Answer(s): C,D






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