Which of the following belongs to the management protocol between the OLT and MXU in the GPON network?

Question

Options

• AIGMP
• BOAM
• CSNMP
• DDHCP

• A
  8% (2)
• B
  4% (1)
• C
  80% (20)
• D
  8% (2)

Explanation

SNMP (Simple Network Management Protocol) is the management protocol used between the OLT (Optical Line Terminal) and MXU in a GPON network because it is specifically designed for network device configuration, monitoring, and control - exactly the function needed to manage ONUs/MXUs from the OLT or a network management system (NMS).

Why the distractors are wrong:

• A. IGMP - Internet Group Management Protocol handles multicast group membership between hosts and routers; it has nothing to do with OLT-MXU device management.
• B. OAM - While Operations, Administration & Maintenance functions exist in GPON (e.g., Ethernet OAM / 802.3ah), OAM is a framework/layer for fault detection and monitoring, not the dedicated management protocol governing configuration and control between OLT and MXU.
• D. DHCP - Dynamic Host Configuration Protocol assigns IP addresses to end devices; it is a client-server address allocation protocol, not a management protocol between OLT and MXU.

Memory tip: Think of SNMP as the "remote control" of networking - if you need to manage (configure, poll, trap alerts from) a network device like an MXU from a central point like the OLT, SNMP is your protocol. The other options each do one specific job (multicast, fault detection, IP assignment) - none of them manage devices.

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