問題文
A nurse at a hospital asks why the same application is slower on a phone than on the laptop sitting beside it, when both show a good signal. Which pair states how the radio of a phone is built and what its antenna count limits?
選択肢
- The handheld unit trades radio parts for battery life, so the phone radio keeps the output smaller and the antenna count limits the spatial streams in that comparison.
- The handheld unit trades radio parts for battery life, so the phone radio keeps the output smaller and the antenna count limits the spatial range in that comparison.
- The handheld unit trades radio parts for battery life, so the phone radio keeps the output larger and the antenna count limits the spatial range in that comparison.
- The handheld unit trades radio parts for battery life, so the phone radio keeps the output larger and the antenna count limits the spatial streams in that comparison.