Huawei
H35-211_V2.5 · Question #437
Which of the following statements about the characteristics of each layer of POL is reasonable? (Multiple choice)
The correct answer is B. The access layer is close to the information point, provides a variety of access methods, and C. The aggregation layer requires strong forwarding capability, high port density and high reliability. D. The aggregation layer supports "horizontal" traffic between users while also providing "vertical". See the full explanation below for the reasoning.
FTTx Solutions and Deployment
Question
Which of the following statements about the characteristics of each layer of POL is reasonable? (Multiple choice)
Options
- AOLT is a convergence layer device. When two OLTs are configured, backup can be achieved by
- BThe access layer is close to the information point, provides a variety of access methods, and
- CThe aggregation layer requires strong forwarding capability, high port density and high reliability.
- DThe aggregation layer supports "horizontal" traffic between users while also providing "vertical"
How the community answered
(21 responses)- A24% (5)
- B76% (16)
Topics
#POL architecture#OLT convergence layer#aggregation layer#access layer
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