Which of the following statements are CORRECT about the configuration file backup for U1900 series unified gateway? (Multiple Choice)

Question

Options

• AIt is recommended that the configuration file be backed up once every week during off-peak hours
• BThe configuration file can be exported via web management page.
• CTo ensure system stability, it is recommended that you back up the configuration file each time
• DAuto backup is supported.

• A
  80% (12)
• B
  20% (3)

Explanation

Backing up the U1900 configuration file weekly during off-peak hours (A) minimizes risk of disrupting active calls or sessions, and backing up after every configuration change (C) ensures you always have a recovery point reflecting the current state - both are Huawei's recommended best practices for this gateway. Auto backup (D) is a built-in feature of the U1900 series, making scheduled protection possible without manual intervention.

Option B is incorrect because the U1900 series does not support exporting the configuration file through the web management page - backup operations are performed through other supported methods (such as FTP/SFTP or the CLI), not the web GUI.

Memory tip: Think "A-C-D = Always-Change-Done" - back up on a schedule (Always/weekly), after every Change, and the device can Do it automatically. Web export is the odd one out because the U1900's web interface is for monitoring, not config file management.

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