If the PON system is regarded as a black box, the external interfaces presented by the OLT and ONU are mainly Ethernet interfaces, and the GEM encapsulation and decapsulation take place inside the PON system.

If the PON system is regarded as a black box, the external interfaces presented by the OLT and ONU are mainly Ethernet interfaces, and the GEM encapsulation and decapsulation take place inside the PON system.
A . TRUE
B . FALSE

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Answer: A