Merge branch 'master' into 'master'

更新高阶

See merge request !24

data/2.网络中阶/1.交换/3.STP/config.json

@@ -10,6 +10,6 @@
     "02.json",
     "03.json"
   ],
-  "keywords_must": [],
-  "keywords_forbid": []
+  "keywords_must": ["冗余链路","STP","环路问题"],
+  "keywords_forbid": ["RIP","ISIS","BGP"]
 }

data/3.网络高阶/3.QoS/1.QoS概述/01.json

+{
+  "type": "code_options",
+  "author": "benttto",
+  "source": "01.md",
+  "notebook_enable": false,
+  "exercise_id": "93b2d81b116d4e95848742ccedb5b4dd"
+}
\ No newline at end of file

data/3.网络高阶/3.QoS/1.QoS概述/01.md

+# QoS
+
+关于抖动的说法，不正确的是
+
+## 答案
+
+时延越小则抖动时延范围越大
+
+## 选项
+
+### A
+
+抖动过大会导致协议震荡
+
+### B
+
+报文不能等间隔到达目的端，这种现象叫抖动
+
+### C
+
+可利用缓存来克服过量的抖动，但会增加时延

data/3.网络高阶/3.QoS/1.QoS概述/02.json

+{
+  "type": "code_options",
+  "author": "benttto",
+  "source": "02.md",
+  "notebook_enable": false,
+  "exercise_id": "dfb4242cba0c44c48424a2d5207c944c"
+}
\ No newline at end of file

data/3.网络高阶/3.QoS/1.QoS概述/02.md

+# QoS
+
+模块化QoS命令行MQC是指通过将具有某类共同特征的报文划分为一类，并为同一类报文提供相同的服务，也可以对不同类的报文提供不同的服务，以下不是MQC的三要素的是
+
+## 答案
+
+流转发
+
+## 选项
+
+### A
+
+流分类
+
+### B
+
+流行为
+
+### C
+
+流策略

data/3.网络高阶/3.QoS/1.QoS概述/03.json

+{
+  "type": "code_options",
+  "author": "benttto",
+  "source": "03.md",
+  "notebook_enable": false,
+  "exercise_id": "3189c2a7556144c6bbb1e0efa8d9a9e5"
+}
\ No newline at end of file

data/3.网络高阶/3.QoS/1.QoS概述/03.md

+# QoS
+
+对于QoS提供的调度算法，以下说法不正确的是
+
+## 答案
+
+QoS采用先进先出（FIFO）调度
+
+## 选项
+
+### A
+
+至少要能区分队列中的不同分组
+
+### B
+
+需要知道每个分组的服务等级
+
+### C
+
+调度算法决定下一个处理队列中的哪个分组

data/3.网络高阶/3.QoS/1.QoS概述/config.json

 {
   "node_id": "network-40f0e24cb89b479c82163e686b1271c4",
-  "keywords": ["Qos概述"],
+  "keywords": [
+    "Qos概述"
+  ],
   "children": [],
-  "export": [],
-  "keywords_must": [],
-  "keywords_forbid": []
+  "export": [
+    "01.json",
+    "02.json",
+    "03.json"
+  ],
+  "keywords_must": [
+    "QoS",
+    "MQC",
+    "调度"
+  ],
+  "keywords_forbid": [
+    "PPP",
+    "VRRP",
+    "RIP"
+  ]
 }
\ No newline at end of file