Which of the following methods cannot be used to back up and restore the U1900 version?

Question

Options

• APutty+FTP server
• BPutty+TFTP server
• CeSight
• DLMT

• A
  5% (3)
• B
  15% (8)
• C
  78% (43)
• D
  2% (1)

Explanation

eSight is Huawei's network management system designed for monitoring and managing network-wide configurations, but it does not support backup and restore operations for the U1900 - this functionality simply isn't included in eSight's feature set for that device. Options A and B (Putty with FTP or TFTP servers) are both valid command-line methods for transferring backup files to/from the U1900, as the device supports file transfer over these protocols via its CLI. Option D (LMT, Local Maintenance Terminal) is a dedicated Huawei maintenance tool specifically designed for local device operations including backup and restore, making it a supported method. The key distinction is that eSight operates as a high-level NMS for network-wide visibility, whereas U1900 backup/restore requires either direct file-transfer protocols (FTP/TFTP via Putty) or a device-specific maintenance tool (LMT).

Memory tip: Think "eSight = oversight (monitoring only), not hands-on backup." If a tool is named after seeing the network, it watches - it doesn't save files.

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