350-501 Architecture Practice Question
Which access technology is based on ITU-T G.984 and provides downstream speeds up to 2.488 Gbps?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
GPON
GPON (Gigabit-PON) is defined by ITU-T G.984 with downstream up to 2.488 Gbps.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
GPON
Why this is correct
GPON provides 2.488 Gbps downstream.
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XGS-PON
Why it's wrong here
XGS-PON provides symmetric 10 Gbps.
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DSL
Why it's wrong here
DSL speeds are much lower.
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EPON
Why it's wrong here
EPON is IEEE standard, typically 1 Gbps symmetric.
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