Huawei
H31-341_V2.5 · Question #582
Regarding the system architecture of NG WDM products, which of the following descriptions are correct? (Multiple choice)
The correct answer is C. The LO optical layer supports multiplexing/demultiplexing of optical wavelengths and adding/dropping of D. The L1 electrical layer supports cross-scheduling of ODUk services. E. The L2 layer implements switching based on Ethernet/MPLS-IP. See the full explanation below for the reasoning.
Question
Regarding the system architecture of NG WDM products, which of the following descriptions are correct? (Multiple choice)
Options
- AThe L3 layer realizes routing exchange based on TCP/IP.
- BNG WDM adopts LO+L1+L2+L3 architecture.
- CThe LO optical layer supports multiplexing/demultiplexing of optical wavelengths and adding/dropping of
- DThe L1 electrical layer supports cross-scheduling of ODUk services.
- EThe L2 layer implements switching based on Ethernet/MPLS-IP.
How the community answered
(32 responses)- A19% (6)
- B9% (3)
- C72% (23)
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