20250719光纖研習 第一章 光纖通訊基礎知識
Quiz
•
Professional Development
•
12th Grade
•
Practice Problem
•
Hard
Cheng-Ling Ying
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
某公司打算升級資料中心內部網路,技術人員建議採用「單模光纖」而非「多模光纖」,其主要考量為?
A. 傳輸距離長、頻寬高
B. 成本較低、施工容易
C. 適合多用戶同時存取
D. 支援波長多工傳輸
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一種應用最需要光纖的「低延遲、高頻寬」特性?
A. 家庭影音串流
B. 遠距手術系統
C. 簡訊傳送服務
D. 遠距語音通話
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小王在施工現場觀察到光纖尾端插頭未正確拋光,造成訊號不穩。請問這屬於哪一類損耗?
A. 模態色散
B. 結構損耗
C. 材料色散
D. 偏振模態色散
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
若一段光路由器的放大器產生 +13 dB 增益,表示功率提升為幾倍?
A. 約 20 倍
B. 約 10 倍
C. 約 5 倍
D. 約 13 倍
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
一光纖測試儀顯示輸入功率為 0 dBm,輸出功率為 −6 dBm,請問光纖段的衰減為多少?
A. 3 dB
B. −3 dB
C. 6 dB
D. −6 dB
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在高速金融交易中,光纖網路被廣泛使用,主因之一是?
A. 傳輸不受電磁干擾
B. 可以大量分支使用
C. 可用一般 RJ-45 接頭
D. 傳輸延遲極低、即時性高
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
家用網路業者向您推銷一種「WDM 單纖雙向」技術,其最大優勢在於?
A. 增加傳輸功率
B. 降低色散影響
C. 改善光纖接合損耗
D. 在同一條光纖上同時上下載資料
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