H31-311 試験問題を無料オンラインアクセス

The EPL service exclusively uses bandwidth on the line, which is highly secure. It is applicable to the private line application of VIP customers.

• A.FALSE
• B.TRUE

The difference between a dispersion compensation fiber and a common fiber is that the dispersion compensation fiber has a negative dispersion coefficient at ( ).

• A.1310 nm
• B.1650 nm
• C.800 nm
• D.1550 nm

Assume that 2 x VC-12 timeslots need to be bound with VCTRUNK1 of the N2EFS4 board. When 8 x VC-4 timeslots are available on the N2EFS4 board, which of the following timeslots meets the requirements?

• A.VC-4 VC-12 timeslots 1 and 2 of the eighth VC-4
• B.VC-12 timeslots 33 and 34 of the second
• C.VC-4 VC-12 timeslots 1 and 2 of the fourth
• D.VC-12 timeslots 1 and 2 of the first VC-4

EPL services exclusively use ports and bandwidths, and different users may need to share resources. Which of the following methods can be used to isolate user data?

• A.MPLS label
• B.QinQ technology
• C.All of the above
• D.VLANID

The coherent receiver technology uses the local oscillator laser that has the same frequency as received signals to perform coherent processing and recovers the ( ) information from the received signals. (Multiple Choice)

• A.Amplitude
• B.Polarization state
• C.Frequency
• D.Phase