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Q: 11
The MAC loopback and PHY loopback are used for fault location. When the MAC loopback is set to in loop, the PHY loopback can be set according to the actual situation.
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Q: 12
PDM uses a polarization beam splitter to divide the laser into two vertical directions: x and y.
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Q: 13
QinQ technology can be used when multiple users need to share the same VCTRUNK and use the same VLAN ID.
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Q: 14
Configuring the EPLAN service as a ring is not recommended. If the EPLAN service is configured as a ring network, the STP protocol must be enabled on the network to prevent broadcast storms.
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Q: 15
For 100G (112Gbit/s) signals, the actual data baud rate is only 28G amplitude.
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Q: 16
On OSN Series transmission devices, ethernet ports cannot access tagged and untagged frames at the same time
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Q: 17
The 1510nm optical monitoring channel can be effectively amplified after passing through EDFA.
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Q: 18
SES: There are 5% or more of the False blocks or at least one defect (OCI/AIS/LCK/IAE/LTC/TIM/PLM) in one second.
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Q: 19
During service configuration, there are two time slot modes. Huawei uses interleaved time slot mode by default.
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Q: 20
The scope of management of OMSn is the path from the input optical port on the multiplexer unit of the sending site to the output optical port on the multiplexer unit of the receiving site, called the optical multiplexing segment (OMS) path.
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Question 11 of 20 · Page 2 / 2

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