Huawei H31-311 Practice Test - Questions Answers, Page 14

Which of the following service levels cannot be selected during service configuration?

The error correction capability of FEC is measured with the encoding gain. Which of the following statements about the encoding gain is incorrect?

Frame-Mapped GFP (GFP-F) is a processing mode oriented to data coding blocks (such as Fiber Channel and ESCON).

Which of the following is not a condition for triggering multiplex section protection (MSP)?

When the rate of an SNCP ring consisting of four OptiX OSN 2500 devices is 2.5 Gbit/s, the service capacity of this network can carry a maximum number of ( ) 2 Mbit/s signals.

After PDH services are configured on a per-NE basis, a complete trail cannot be searched out. Which of the following are possible causes? (Multiple Choice)

According to ITU-T recommendations, the requirement that the MSP switching time should be within 50 ms is conditional. For example, the number of NEs on an entire ring network is less than 16.

Which of the following technologies is the main difference between an open DWDM system and an integrated DWDM system?

When setting the LCAS mode, follow the following principles:

1. If devices at the two ends are both Huawei devices, set them to the 'Standard Mode'.

2. If a Huawei device is interconnected with a third-party device, set the interconnected devices to the same mode according to the mode supported by the third-party device.