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Huawei H31-341 - Questions & Answers

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Question 1

Single choice

The OSN 1800V supports the following packet protection features:

Tunnel APS

LAG

TPS

PW APS

Question 2

Single choice

If the LED indicator value on the SCC board of the OSN 8800 T32 board is 11, which of the following is the subrack ID?

Slave subrack 2

Slave subrack 1

Slave subrack 17

Slave subrack 11

Question 3

Single choice

Which of the following standards must be met for the isolation test in the feature test of the multiplexer/ demultiplexer?

<20dB

>25dB

>20dB

<25dB

Question 4

Single choice

In the scenario where the non-convergence OTU processes OTN standard signals, both A and B are WDM sites.The OTU at station A accesses four channels of R_LOS signals on the client side. After being processed in the middle part and on the WDM side of the OTU at station A, the alarm signals are then sent to station B. The ODUk_PM_AIS alarm of the corresponding channel is generated in the middle part of station B. The ODUk_PM_AIS alarm is detected in the client device.

True

False

Question 5

Single choice

Loopback is a common operation for routine maintenance and troubleshooting.

Which of the following statements about loopback operations are incorrect?

The hardware loopback is performed by using the fiber jumper or self-loop cable to perform the loopback on the optical port or electrical port.

When performing a hardware loopback on an optical port, you need to add an optical attenuator.

After the outloop is performed, the signals are transmitted to the internal.

After the inloop is performed, the signals are transmitted to the external.

Question 6

Single choice

Which of the following residual dispersion values are within the dispersion tolerance of the TN52ND2 board?

900ps/nm

500ps/nm

700ps/nm

600ps/nm

Question 7

Single choice

Which of the following alarms trigger optical line protection switching?

POWER_DIFF_OVER

R_LOF

MUT_LOS

R_LOS

Question 8

Single choice

The OD system monitors the main optical path performance in each optical multiplexing section (OMS),which of the following items are monitored?

whether the line loss exceeds the design end of life (EOL) value

whether a fiber cut occurs on the main optical path.

whether the optical power of the transmit-end OA board is out of the permitted range.

whether the line loss compensation is out of the permitted range.

Question 9

Single choice

Which of the following statements about the electrical-layer overhead processing - source function are correct?

The OPUk performs client signal mapping, frequency adjustment, and rate adaptation in the transmit direction.

The ODUkT calculates the BIP-8 and writes the it into the TCMi.

OTUk calculates BIP-8 and writes it into SM, GCCO, FAS, and MAFS.

The ODUkP calculates overheads such as BIP-8, PM, and GCC1/2.

Question 10

Single choice

For the MSTP equipment, the pass-through mode is used for VC-4 services by default, and the termination mode is used for VC12/VC3 services by default.

True

False

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