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19^th^ | 19th | ||
H~2~O | H2O | ||
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==Marked text== | Marked text | ||
[link text](https:// "title") | Link | ||
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{%youtube youtube_id %} | Externals | ||
$L^aT_eX$ | LaTeX | ||
:::info This is a alert area. ::: |
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網際網路與Linux應用 Week 5
網路概論
區域網
255^4 = ?
4228250625
世界人口?
77億人
成功的 IP?
203.64.138.0
203.71.24.0
資料來源
總共?
450
網路相關名詞解釋
DNS
域名系統
將網址轉成 ip
tcp
網際網路協議的一種
會確保封包抵達
udp
網際網路協議的另一種
不保證封包抵達
各種奇怪的東西
hub
集線器
將一條網路線分成好幾條
就是延長線
switch
交換器
比較聰明的延長線
網速比較快
router
路由器
可設訂網段、路由
具備延長的功能