H31-311_V2.5 무료 덤프문제 온라인 액세스

Which of the following alarms is not a switching condition for a two-fiber bidirectional multiplex section protection ring?

• A.MS_AIS
• B.B2_EXC
• C.RLOS
• D.TU_AIS

The SDH frame structure is a rectangular block frame based on which of the following options?

• A.Bytes
• B.Block D frame
• C.Bit

Which of the following protocols does not belong to the MPLS signaling protocol?

• A.MP-BGP
• B.LMP
• C.LDP
• D.RSVP

Which of the following statements about the MSP ring are correct? (Multiple choice)

• A.When creating a protection subnet, select only SDH network elements. Do not select REG or WOM network elements.
• B.Assignment by VC4 means assigning different VC4s to different protection subnets to achieve MSP2Q only in certain channels
• C.The number of nodes in the MSP ring cannot exceed 16
• D.When multiple protection subnets occupy the same port on the same board, you must select
  "Resource Sharing"

In WDM systems, the reduction in optical signal-to-noise ratio is mainly due to the increasing amount of noise introduced into the optical fiber line.

• A.False
• B.True