Huawei h31-341-v2-5 practice test

Which of the following fiber types complies with the description that the dispersion at 1310 nm is 0
and the typical dispersion coefficient around 1550 nm is 17 ps/nm.km?

• A. G.654
• B. G.652
• C. G.655
• D. G.653

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

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

Which of the following statements about ODUflex are true?

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

An RDU9 board can dynamically demultiplex any wavelength to any port.

• A. TRUE
• B. FALSE

Which of the following terms has the meaning that "the wavelength carrying local services can be
transmitted to a specific direction"?

• A. Directioned
• B. Directionless
• C. Colorless
• D. Colored

Fill in Blank
A VOA is configured on each wavelength path of a WSS board to adjust the____of optical signals to
achieve flatness adjustment. (Enter only lowercase letters.)

What are characteristics of ROADM networking?

• A. During network maintenance, wavelengths can be efficiently modified, reducing maintenance costs.
• B. Existing services are not affected while they are being upgraded.
• C. The power equalization function enables channel-level power equalization.
• D. Network construction costs are low.

The core component of ROADM is a wavelength selective switch (WSS).

• A. TRUE
• B. FALSE

Fill in Blank
The decrease of optical power when light passes through a passive optical component is called
the____. (Enter only letters.)

To prevent the optical power at the receive end of an OTU board from being excessively high, you
must configure a fixed attenuator according to the actual optical power. The fixed attenuator is
usually configured at the transmit end.

• A. TRUE
• B. FALSE