
感測器網路測驗
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University
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63 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
感測器(Sensor)在物聯網三層級中主要發揮的功能為下列哪一項:
偵測通訊情況,確保訊息傳遞無誤
偵測物聯網機房情況、確保系統正常工作
偵測物體所處環境各項資訊,結合網路實現感知層
蒐集各項資訊,建構物理模型實現應用層
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
感測器網路由多個感測器散布於空間中組成,其基礎概念為,由各別感測器模組將量測數據原始資料回傳到中央系統,由中央系統運算分析後,取得空間中資訊後進行決策以進行控制,將資料彙整成資料庫用於決策參考,或是觸發警報,典型範例即為 SCADA (Supervisory Control And Data Acquisition),此系統是用於:
工廠自動化
家庭自動化
智慧交通系統
環境災害監控
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
感測器網路的智慧基礎,來自於:
感測器精密結構改善,蒐集精確度更高的資料
分布感測器大量蒐集資料,透過網路整合多項資訊
伺服器安裝人工智慧系統,處理感測器資訊
雲端資料庫存有大量資料,經比對刪除不必要資訊
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
感測器網路的通訊特性為何:
低消耗功率
高資料傳輸速率
中度加密性
低封包重複率
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
感測器網路要求單一感測器節點,可達成的通訊範圍,為下列何者:
< 10 m
< 100 m
4 - 6 km
10 -1 5 km
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
感測器網路目前主流的通訊規範,並經國際標準採認者,為下列何者:
IEEE 802.11 a, b, g, n
IEEE 802.15.4
IEEE 802.16
IEEE 802.20
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
感測器網路通訊波段有以下哪兩個頻帶
868/915 MHz And 2.45 GHz
135 kHz And 13.56 MHz
2.45 GHz And 5.8 GHz
900 MHz And 1800 MHz
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