Select a key benefit of DSL.（）A、TCP packet sizes can be optimized by the router so there is no IPSec or AAL5 padding.B、The local loop is a dedicated connection for a single subscriber to the DSLAM. C、Access to the WAN media uses a poll/response mechanism so no two subscribers transmit at the same time. D、There are no distance requirements from the Central Office (CO).
Select a key benefit of DSL.（）
- A、TCP packet sizes can be optimized by the router so there is no IPSec or AAL5 padding.
- B、The local loop is a dedicated connection for a single subscriber to the DSLAM.
- C、Access to the WAN media uses a poll/response mechanism so no two subscribers transmit at the same time.
- D、There are no distance requirements from the Central Office (CO).
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