Huawei
H35-211_V2.5 · Question #193
A power access service deploys GPON Type C dual-homing protection and associates the protection group with the uplink Ethernet port status on the OLT. When the Ethernet port associated with the…
The correct answer is D. ONU detects link failure and triggers protection switching. See the full explanation below for the reasoning.
FTTx Solutions and Deployment
Question
A power access service deploys GPON Type C dual-homing protection and associates the protection group with the uplink Ethernet port status on the OLT. When the Ethernet port associated with the protection group on the OLT goes down, which of the following statements is incorrect?
Options
- AThe working port status on the ONU side changes to standby
- BOLT communicates with ONU uplink status changes
- CAfter the switchover, the services on the ONU are sent to the OLT through the protect port, that is,
- DONU detects link failure and triggers protection switching
How the community answered
(33 responses)- A3% (1)
- B6% (2)
- C12% (4)
- D79% (26)
Topics
#GPON#Type C dual-homing#protection switching#ONU
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