檢視冗余度的原始碼

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|<center>'''冗余系统'''<br><img
src="https://ts1.cn.mm.bing.net/th/id/R-C.16c5f457b5edb6a06140dab1a6d40ee3?rik=WusV0yUsK2hs4w&riu=http%3a%2f%2fp3.qhmsg.com%2fdr%2f220__%2ft0172fc2fec3e45dd4a.jpg&ehk=pGR%2bToVCNsKsqoPLaHs7%2bZw%2fpu%2fdKz1Qzari7pTuT5c%3d&risl=&pid=ImgRaw&r=0 " width="280"></center><small>  圖片來自优酷</small> 
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'''IT专业术语'''

冗余度，就是从安全角度考虑多余的一个量，这个量就是为了[[保障仪器]]、设备或某项工作在非正常情况下也能正常运转。[[网络传输]]的冗余如概述图所示。