下列何者是訊號的傳輸方式?

計算機網路-Ch2

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Computers
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University
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Medium
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
寬頻傳輸
窄頻傳輸
低頻傳輸
高頻傳輸
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
執行解調變動作的裝置稱為?
伺服器
交換器
解調器
解密器
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
測量訊號頻寬的單位是
Hz
bps
KBs
Bytes
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
關於光纖, 下列敘述何者錯誤?
常見的材質是塑膠或玻璃纖維
單模式光纖的軸芯較細
多模式光纖的軸芯較粗
被覆層通常用高折射率的物質以利高速傳輸
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列何者不是電磁波的特性?
以音速行進
以光速行進
頻率越高, 傳送距離越短
2.4 GHz 是屬於公用頻帶
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
關於網路線的選擇, 下列敘述何者正確?
長距離傳輸應採用 UTP
要省錢應採用光纖
要避免電磁干擾應採用光纖
要容易架設應採用電話線
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列何者不是區域網路會用到的傳輸介質?
光纖
同軸電纜
雙絞線
USB 連接線
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