Free Huawei H31-311_V2.5 Practice Exam with Questions & Answers | Set: 6

Two PIU or APIU boards of an OpCXtrans E6616/OptiX OSN 1800V Pro are used to supply power for the system In hot backup mode. When either of the two PIU or APIU boards is faulty, the system can still function properly.

TU-AIS is often encountered during network maintenance. Which of the following alerts can trigger a TU-AIS alert? (Multiple choice).

SDH signals must be scrambled before they can be transmitted over optical fibers. Which of the following bytes is not scrambled? (Multiple choice).

The number of ODU2e signals multiplexed into the ODU3 signal is the same as the number of ODU2 signals multiplexed into the ODU3 signal.

output networks require higher costs than belt networks, but provide a more reliable management channel.

Fiber loss includes bending loss, absorption loss and scattering loss.

On the NMS system, the network element performance monitoring time is set to () minutes and () hours.

You can view the NE license status and replace the license that is about to expire in a timely manner to prevent the impact of license expiration on services.

Which of the following logic function blocks are involved in processing clock signals? (Multiple choice).

In the colored scenario, the TM20fTD20 board can be used to add/drop wavelengths.