Huawei H11-811 Practice Exam Dumps 2025

In the U1900 connecting to PSTN with the El trunk, the Tx and Rx indicators are off but the call service still fails. To locate the fault, which of the following operations are required? (Multiple Choice)

Options:

Perform the CRC check.

Check the position parameter.

Check the clock source.

Check the El cable.

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Question 2

Which of the following statements are CORRECT about the automatic switchboard service of U1900?

(Multiple Choice)

Options:

Automatically playing customized announcements is supported.

You can configure the system default automatic switchboard by simply adding a prefix and executing the corresponding script.

The customized greetings must be converted to .wav format.

The automatic switchboard number is essentially a prefix.

Question 3

In which of the following conditions may call barring occur? (Multiple Choice)

Options:

When the CPU usage of IP PBX exceeds the threshold

When the bill pool of IP PBX is full

When the trunk usage exceeds a certain level

MTU board fault

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