Merge branch 'master' into 'master'

STP

See merge request !9

03.md

+# STP
+
+STP的作用主要是防止网络中的（）形成环路工作
+
+## 选项
+
+### A
+
+冗余设备
+
+### B
+
+冗余链路
+
+### C
+
+冗余数据
+
+

data/2.网络中阶/1.交换/3.STP/01.json

+{
+  "type": "code_options",
+  "author": "benttto",
+  "source": "01.md",
+  "notebook_enable": false,
+  "exercise_id": "d29f4947a28f4eff82119d57240a7f74"
+}
\ No newline at end of file

data/2.网络中阶/1.交换/3.STP/01.md

+# STP
+
+STP是一种由交换机运行的、用来解决网络中环路问题的（）协议
+
+## 答案
+
+### A
+
+数据链路层
+
+### B
+
+应用层
+
+### C
+
+传输层

data/2.网络中阶/1.交换/3.STP/02.json

+{
+  "type": "code_options",
+  "author": "benttto",
+  "source": "02.md",
+  "notebook_enable": false,
+  "exercise_id": "90cfed7463cf475986277bb8133ffd7e"
+}
\ No newline at end of file

data/2.网络中阶/1.交换/3.STP/02.md

+# STP
+
+在STP树的生成过程首先选举
+
+## 选项
+
+### A
+
+阻塞备用端口
+
+### B
+
+指定端口
+
+### C
+
+根桥

data/2.网络中阶/1.交换/3.STP/03.json

+{
+  "type": "code_options",
+  "author": "benttto",
+  "source": "03.md",
+  "notebook_enable": false,
+  "exercise_id": "913706cf61434964b0bc13c37024ea9d"
+}
\ No newline at end of file

data/2.网络中阶/1.交换/3.STP/03.md

+# STP
+
+STP的作用主要是防止网络中的（）形成环路工作
+
+## 选项
+
+### A
+
+冗余设备
+
+### B
+
+冗余链路
+
+### C
+
+冗余数据
+
+

data/2.网络中阶/1.交换/3.STP/config.json

 {
   "node_id": "network-47c1720cca854491a63065893b444aa0",
-  "keywords": ["生成树","STP"],
+  "keywords": [
+    "生成树",
+    "STP"
+  ],
   "children": [],
-  "export": [],
+  "export": [
+    "01.json",
+    "02.json",
+    "03.json"
+  ],
   "keywords_must": [],
   "keywords_forbid": []
-}
\ No newline at end of file
+}