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Huawei H31-311_V2.5 Exam Syllabus Topics:

Huawei HCIA-Transmission V2.5 Sample Questions:

1. Only external ports can set Tag attributes, internal ports cannot set Tag attributes.

A) True
B) False

2. Which of the following are the benefits of polarization multiplexing technology? (Multiple choice)

A) The reduction of optical signal spectrum width will reduce the OSNR requirements of the optical transmission system, improve its dispersion tolerance and PMD tolerance performance, and enhance the ability to resist the nonlinear effects of optical fiber.
B) PDM-QPSK modulation code can reduce the line transmission baud rate, greatly reducing the bandwidth requirements for (optical) electronic devices.
C) PDM-QPSK technology reduces the optical harmonic width of the optical signal, making 50GHz interval WDM transmission possible and increasing the optical utilization efficiency to 2bps/Hz

3. In the network interface of OTN, the network interface within the same operator is the intra-domain interface, which is further divided into the interface between equipment from different manufacturers, IaVI, and the interface within the subnet of equipment from the same manufacturer, IrVI, according to the different equipment manufacturers.

A) True
B) False

4. When using the LCAS function, which of the following overhead bytes is used to transmit control information? (Multiple choice)

A) K2
B) M1
C) H4
D) K4

5. Which of the following alarms will not generate corresponding alarms?

A) R-LOS
B) TU-AIS
C) HP-TIM
D) MS-AIS

Solutions: