Online Access Free H31-341_V2.5-ENU Practice Test

Which of the following statements about the OptiXtrans E6600/OptiX OSN 1800 system architecture Is true?

• A.The OptiXtrans E6616 and OptiX OSN 1800 V Pro use an L0+L1+L2 system architecture.
• B.The OptiXtrans E6608T/E6608 and OptiX OSN 1800 II TP/OSN 1800 II Pro use an L0+L1+L2 system architecture.
• C.The OptiXtrans E6608T/E6616 and OptiX OSN 1800 II TP/OSN 1800 V Pro use an L0+L1+L2 system architecture.
• D.The OptiXtrans E6608T/E6608/E6616 and OptiX OSN 1800 II TP/OSN 1800 II Pro/OSN 1800 V Pro use the L0+L1+L2 system architecture.

Modulation is a process where the information of a signal source is processed and added to a carrier to make the information suitable for channel transmission. It is a technology where a carrier changes with a signal.

• A.TRUE
• B.FALSE

Which of the following causes a single channel to report the BEFFEC_EXC alarm?

• A.The external environment is abnormal.
• B.An optical amplifier board is faulty.
• C.Signals are severely attenuated during line transmission.
• D.The input optical power of an OTU board is too high or too low.

What does ODUk_PM_BDI indicate?

• A.ODUk PM signal degradation
• B.ODUk PM open connection indication
• C.ODUk PM section BIP-8 bit error threshold crossing
• D.ODUk PM backward defect indication

Which of the following statements about ODUflex are true?

• A.ODUflex improves bandwidth utilization.
• B.Users can flexibly configure the ODUflex capacity based on the service volume.
• C.The TOA board does not support ODUflex.
• D.The ODUflex rate is defined as N x 1.25 Gbit/s. The ODUflex bandwidth is adjusted by changing the value of N.