210-060 · Question #396
Cisco Unified Communications Manager backup servers use which protocol to transfer files?
The correct answer is B. SFTP. Cisco Unified Communications Manager uses SFTP to securely transfer backup files to a configured external backup server.
Question
Cisco Unified Communications Manager backup servers use which protocol to transfer files?
Options
- ATFTP
- BSFTP
- CSSH
- DNDMP
How the community answered
(29 responses)- A7% (2)
- B90% (26)
- D3% (1)
Why each option
Cisco Unified Communications Manager uses SFTP to securely transfer backup files to a configured external backup server.
TFTP is used for delivering configuration files and firmware images to IP phones and other endpoints, not for CUCM Disaster Recovery System backup transfers.
The CUCM Disaster Recovery System (DRS) requires an SFTP server as the backup destination and uses SFTP to encrypt and authenticate file transfers over the network. SFTP is mandatory because it provides both encryption and integrity verification, satisfying Cisco's security requirements for backup data in transit.
SSH provides secure remote shell access to CUCM nodes via CLI; it is not itself a file transfer protocol used by the backup system, though SFTP uses SSH as its underlying transport.
NDMP is a protocol designed for tape and NAS-based enterprise storage backup solutions and is not supported by the CUCM Disaster Recovery System.
Concept tested: CUCM Disaster Recovery System backup file transfer protocol
Source: https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/14_0_1/admin/cucm_b_administration-guide-1401/cucm_m_backup-and-restore.html
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