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Ch1 computer hardware(2013 ncu-nos_nm)
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Kir Chou
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Ch1 computer hardware(2013 ncu-nos_nm)
1.
網路設備簡介 CSIE 基爾 @
NCU網路開源社 Updated: 09212013
2.
課程 • 相關學分:計算機概論、企業資料通訊、計算機網路 • 等級:入門 •
難度:簡單 • 背景知識:NULL • 課程目標: • 粗略的看網路分層架構 • 了解網路設備與架構關係
3.
為什麼學系統前要先懂這個呢? 沒有網路的系統 ≒ PIC SRC • 學架伺服器需要用到網路相關知識 隱居的人 PIC
SRC Server Service
4.
關於網路架構 • 制訂協定 :
IEEE規範
5.
鳥哥說… 如果把系統比喻成不同國家、網路就是共通語言
6.
關於網路架構 • 制訂協定 :
IEEE規範 • 分層 PIC SRC
7.
這裡是機房實況 PIC SRC
8.
開放式通訊系統互聯參考模型 Open System Interconnection
Reference Model 分層 5 4 3 2 1
9.
10.
實體層 • bit • 網路線 •
集線器
11.
資料連結層 • Frame -
MAC • 網路卡 • 交換器 • 除錯
12.
網路層 • Datagram -
IP • 路由器 • 網路分享器
13.
傳輸層 • Datagram -
TCP / UDP / … • 除錯
14.
應用層 • browser 藉由程式與傳輸層溝通
15.
溝通? • 封裝 PIC SRC
16.
17.
TEST • AP(Access Point)是屬於Layer幾的網路設備?請解釋。
18.
TEST • 網路為何要做分層?
19.
QA
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