有關射頻信號的編碼與調變方式是定義在IEEE 802.11的實體層的哪個子層？
A: PLCP (Physical Layer Convergence Procedure)
B: PMD (Physical Medium Dependent)
C: PLME (PHY Layer Management Entity)
D: MLME (MAC sublayer Management Entity)
A: PLCP (Physical Layer Convergence Procedure)
B: PMD (Physical Medium Dependent)
C: PLME (PHY Layer Management Entity)
D: MLME (MAC sublayer Management Entity)
举一反三
- 下列哪些敘述對於 6LoWPAN 協議是正確的 ? A: 6LoWPAN 是介於傳輸層與網路層之間的 Adaptation layer B: 6LoWPAN 是介於網路層與鏈結層之間的 Adaptation layer C: 6LoWPAN 是介於網路層與 IEEE 802.11 WiFi之間的 Adaptation layer D: 6LoWPAN 是介於網路層與 Bluetooth 之間的 Adaptation layer E: 6LoWPAN 是介於網路層與 IEEE 802.15.4 Zigbee 之間的 Adaptation layer
- 如果將物聯網產業架構鏈分為實體層、感知層、網路層、與應用層. 則藍芽無線通訊Bluetooth 屬於哪一層 ? A: 實體層 B: 感知層 C: 網路層 D: 應用層
- Physical layer coding violations are only applicable to networks in which the encoding on the physical medium contains some redundancy.
- The（ ）layer corresponds to the physical layer of the OSI model. A: photonic B: line C: path D: section
- Which of the following are the basic functions of the physical layer?()