# 2019/0214/網概乙太網路&網路安全

## 乙太網路特性

## 作業

![](/files/-LYdZoDtJg6QbUZ0DHFW)

![](/files/-LYdZwWSbF0rrPYMBJm5)

{% embed url="<https://ithelp.ithome.com.tw/articles/10000021>" %}

{% embed url="<https://zh.wikipedia.org/wiki/%E7%BD%91%E9%99%85%E5%8D%8F%E8%AE%AE>" %}

{% embed url="<https://ithelp.ithome.com.tw/articles/10207398?sc=iThelpR>" %}

## <https://tw.answers.yahoo.com/question/index?qid=20140422000016KK07901&guccounter=1>

## 網路安全

![](/files/-LYdcO-xT_6A_IHho9Gu)

![](/files/-LYdceJREH0vEj6GmhA1)

![](/files/-LYdd6qZE6n9My1jh5D_)

![](/files/-LYddOx9Gem7gVFttwm2)

![](/files/-LYde3jwLRxqrTa9XeMY)

### mis網管 合法的&#x20;

### 黑客 非法的

https 加密

### 有線 無線 都恐怖

![](/files/-LYdezlSXAksTk51Rp79)

### 行動裝置/通訊軟體安全

![](/files/-LYdfUeNB8aks5vgF-Mp)

![](/files/-LYdfcowfN0NN7UsOgga)

![](/files/-LYdg-ZM7YCQbfH9HXBC)

![](/files/-LYdgEmamfjHxAD2yDJb)

![](/files/-LYdgTe-1Q48LHzSLnWJ)

![](/files/-LYdgsLSIypeOQKgbO9B)

![](/files/-LYdh9YNSjAXsun6yay4)

![](/files/-LYdhTzuutuAiyC-Vzsn)

頭 網段名稱 210.3.4.0

尾 廣播ip位置  210.3.4.63

ip範圍 210.3.4.1\~210.32.4.62

有效數量 0-63

子網路位置 00 / 01 / 10 / 11

遮罩 11


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://johch3n611u.gitbook.io/c50108/ju-li-cheng-bei/201902/20190214-gai-yi-tai-lu.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.