提交 8bb9473a 编写于 作者: F feilong

修订网络技能树的习题

上级 a7228bb5
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# 常见的网络设备
以下哪些是网络中常见的中间设备:
以下哪些都是网络中常见的中间设备:
1. 路由器
2. 交换机
3. 服务器
4. 集线器
## 答案
ABD
1,2,4
## 选项
### A
路由器
1,2,3
### B
交换机
1,3,4
### C
服务器
### D
集线器
2,3,4
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# 网络中拓扑的分类
网络拓扑按形状可分为:
以下哪些都是网络拓扑的形状分类?
1. 星型
2. 树型
3. 网状
4. 环型
## 答案
ABCD
1,2,3,4
## 选项
### A
星型
1,2,3
### B
树型
1,3,4
### C
网状
2,3,4
### D
环型
1,2,4
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# 协议
网络协议就是为数据交换而制定的规则、约定和标准
网络协议就是为数据交换而制定的__(1)___?
## 答案
A
规则、约定和标准
## 选项
### A
正确
规则、约定
### B
错误
\ No newline at end of file
约定和标准
### C
规则和标准
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......@@ -12,4 +12,25 @@ OSI参考模型由高层到低层分为哪几层:
数据链路层
物理层
## 选项
### A
应用层
传输层
网络层
数据链路层
### B
HTTP协议层
TCP协议层
IP协议层
以太协议层
### C
App层
接口层
数据库层
存储层
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......@@ -4,7 +4,7 @@
## 答案
B
表示层
## 选项
......@@ -14,14 +14,8 @@ B
### B
表示层
### C
物理层
### D
### C
数据链路层
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# TCP/IP
TCP/IP就是指TCP协议和IP协议.
以下关于TCP/IP协议说法错误的是?
## 答案
B
TCP/IP协议就是指TCP协议和IP协议
## 选项
### A
正确
TCP/IP协议的全称是:Transmission Control Protocol/Internet Protocol,传输控制协议/网际协议
### B
错误
TCP/IP协议是指一个由FTP、SMTP、TCP、UDP、IP等协议构成的协议簇。
### C
TCP/IP传输协议是严格来说是一个四层的体系结构,应用层、传输层、网络层和数据链路层都包含其中。
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......@@ -8,3 +8,26 @@ TCP/IP协议模型由高层到低层分为哪几层:
传输层
网际层
网络接口层
## 选项
### A
网络接口层
网际层
传输层
应用层
### B
HTTP协议层
TCP协议层
IP协议层
以太网协议层
### C
App层
网络层
接口层
存储层
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......@@ -4,7 +4,7 @@
## 答案
C
封装时,上层的数据成为下层的头部
## 选项
......@@ -18,10 +18,4 @@ C
### C
封装时,上层的数据成为下层的头部
### D
上层的一个数据包有可能被封装成下层的多个数据包
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......@@ -4,13 +4,13 @@
## 答案
A
bps
## 选项
### A
bps
Mbyt
### B
......@@ -19,7 +19,3 @@ bit
### C
byte
### D
Mbyt
\ No newline at end of file
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......@@ -4,7 +4,7 @@
## 答案
C
全双工通信
## 选项
......@@ -18,8 +18,4 @@ C
### C
全双工通信
### D
数据报
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......@@ -4,7 +4,7 @@
## 答案
D
光纤
## 选项
......@@ -19,9 +19,3 @@ D
### C
同轴电缆
### D
光纤
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......@@ -4,7 +4,7 @@
## 答案
C
数据链路层
## 选项
......@@ -18,8 +18,4 @@ C
### C
数据链路层
### D
传输层
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......@@ -5,3 +5,17 @@
## 答案
## 选项
### A
HTTP包
### B
IP包
### C
TCP包
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# 数据链路层功能
流量控制是数据链路层特有的功能(判断)。
关于数据链路说法错误的是?
## 答案
B
流量控制是数据链路层特有的功能
## 选项
### A
正确
帧是数据链路层的传送单位
### B
错误
\ No newline at end of file
数据链路层主要有两个功能 :帧编码和误差纠正控制
### C
Ethernet协议是数据链路层的协议
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# 数据帧格式
以太网数据帧的长度变化范围是[]-[]字节之间。
以太网数据帧的长度变化范围是[``]-[``]字节之间。
## 答案
BD
64-1518
## 选项
### A
46
46-1500
### B
64
64-1500
### C
1500
### D
1518
\ No newline at end of file
46-1518
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......@@ -4,7 +4,7 @@
## 答案
D
00-06-5B-4F-45-BA
## 选项
......@@ -19,7 +19,3 @@ D
### C
65-10-96-58-16
### D
00-06-5B-4F-45-BA
\ No newline at end of file
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......@@ -4,22 +4,18 @@ MAC地址可以分为哪几类:
## 答案
ABC
单播、组播、广播
## 选项
### A
单播
单播、广播
### B
组播
组播、任意播
### C
广播
### D
任意播
\ No newline at end of file
广播、任意播
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\ No newline at end of file
......@@ -6,3 +6,16 @@
交换机
## 选项
### A
路由器
### B
Ap热点设备
### C
光猫
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\ No newline at end of file
# 交换机作用
二层交换机使用( )来转发数据帧。:
二层交换机使用(__)来转发数据帧。:
## 答案
B
MAC地址表
## 选项
......@@ -14,12 +14,8 @@ ARP表
### B
MAC地址
交换
### C
路由表
### D
交换表
\ No newline at end of file
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# 交换机的工作原理
在交换机中,维护着一张()表,表中存放着网络设备的()的映射关系:
在交换机中,维护着一张(__)表,表中存放着网络设备的()的映射关系:
## 答案
B
MAC地址、MAC地址与交换机端口
## 选项
......@@ -14,12 +14,8 @@ ARP、IP地址与MAC地址
### B
MAC地址、MAC地址与交换机端口
VLAN映射关系、VLAN与交换机端口
### C
路由、IP地址与下一跳
### D
VLAN映射关系、VLAN与交换机端口
\ No newline at end of file
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如果到达交换机的帧中包含的目的MAC地址没有列在MAC地址表中,将如何处理?( )
# 交换机帧处理
如果到达交换机的帧中包含的目的MAC地址没有列在MAC地址表中,将如何处理?
## 答案
C
泛洪
## 选项
......@@ -16,8 +18,4 @@ C
### C
泛洪
### D
学习
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......@@ -4,13 +4,13 @@ ARP协议的主要功能是:
## 答案
A
将IP地址解析为物理地址
## 选项
### A
将IP地址解析为物理地址
将IP地址解析为主机名
### B
......@@ -19,7 +19,3 @@ A
### C
将主机名解析为IP地址
### D
将IP地址解析为主机名
\ No newline at end of file
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# ARP协议的工作原理
ARP是借助()与()两种类型的数据包确定MAC地址的。
ARP是借助( )与( )两种类型的数据包确定MAC地址的。
## 答案
A
ARP请求与ARP响应
## 选项
### A
ARP请求
ARP发现与ARP响应
### B
ARP响应
ARP连接与ARP响应
### C
ARP发现
### D
ARP连接
\ No newline at end of file
ARP发现与ARP连接
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......@@ -4,7 +4,7 @@
## 答案
C
增加网络的接入结点
## 选项
......@@ -18,8 +18,4 @@ C
### C
增加网络的接入结点
### D
简化网络管理
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"VLAN"
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......@@ -4,7 +4,7 @@
## 答案
B
安全性和保密性
## 选项
......@@ -14,12 +14,8 @@ B
### B
安全性和保密性
故障定位容易
### C
安装便捷
### D
故障定位容易
\ No newline at end of file
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# 无线局域网优势
无线局域网在介质访问控制方面,使用()方式。
无线局域网在介质访问控制(MAC)方面,使用()方式。
## 答案
CSMA/CA
## 选项
### A
Token(令牌)方式
### B
CSMA/CD
### C
PCF
{
"node_id": "network-5dd420ebd67146afa5219a44cd614a47",
"keywords": ["无线局域网","WLAN"],
"keywords": [
"无线局域网",
"WLAN"
],
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\ No newline at end of file
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\ No newline at end of file
......@@ -4,7 +4,7 @@ PPP是( )的协议
## 答案
B
数据链路层
## 选项
......@@ -14,12 +14,8 @@ B
### B
数据链路
应用
### C
网络层
### D
应用层
{
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"keywords": ["PPP"],
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"PPP"
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......@@ -4,7 +4,7 @@
## 答案
B
物理寻址
## 选项
......@@ -14,12 +14,8 @@ B
### B
物理寻址
流量控制
### C
拥塞控制
### D
流量控制
\ No newline at end of file
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......@@ -4,7 +4,7 @@
## 答案
D
数据包
## 选项
......@@ -19,7 +19,3 @@ D
### C
### D
数据包
\ No newline at end of file
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# 网络层功能
在发送端,网络层负责将传输层报文拆成一个个分组,而在接收端,网络层负责将分组组装成报文交给传输层处理
以下说法正确的是?
## 答案
A
在发送端,网络层负责将传输层报文拆成一个个分组,而在接收端,网络层负责将分组组装成报文交给传输层处理
## 选项
### A
正确
在发送端,网络层负责将分组组装成报文交给传输层处理,而在接收端,网络层负责将传输层报文拆成一个个分组
### B
错误
\ No newline at end of file
在发送端,网络层负责将传输层报文打包发送,而在接收端,网络层负责将报文拆回原始包交给传输层处理
### C
在发送端,网络层负责直接将传输层报文发送,而在接收端,网络层负责将收到的报文直接返回给传输层处理
{
"node_id": "network-8d8288ccd2b64a109c4f557efe592ac3",
"keywords": ["网络层作用"],
"keywords": [
"网络层作用"
],
"children": [],
"export": [],
"export": [
"02.json",
"03.json",
"01.json"
],
"keywords_must": [],
"keywords_forbid": []
}
\ No newline at end of file
{
"type": "code_options",
"author": "a54034079",
"source": "01.md",
"notebook_enable": false,
"exercise_id": "3813272f80124d98a81c5ede45287144"
}
\ No newline at end of file
......@@ -4,13 +4,13 @@
## 答案
A
IP地址
## 选项
### A
IP地址
MAC地址表
### B
......@@ -19,7 +19,3 @@ MAC地址
### C
端口号
### D
MAC地址表
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"type": "code_options",
"author": "a54034079",
"source": "02.md",
"notebook_enable": false,
"exercise_id": "14941200bce740898c1d4cfca5de3cd9"
}
\ No newline at end of file
......@@ -4,13 +4,13 @@
## 答案
A
IP提供不可靠的数据报传送服务,因此数据报传送不能受到保障
## 选项
### A
IP提供不可靠的数据报传送服务,因此数据报传送不能受到保障
IP提供可靠的数据报传送服务,因此它不能随意丢弃数据报
### B
......@@ -19,7 +19,3 @@ IP提供不可靠的数据报传送服务,因此它可以随意丢弃数据报
### C
IP提供可靠的数据报传送服务,因此数据报传送可以受到保障
### D
IP提供可靠的数据报传送服务,因此它不能随意丢弃数据报
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"source": "03.md",
"notebook_enable": false,
"exercise_id": "8953b4bf8a8848e19fc8ae63e06d1b84"
}
\ No newline at end of file
# IP协议
在解封装数据报时,IPv4的报文前四位为(),IPv6的报文前四位为()。
在解封装数据报时,IPv4的报文前四位为( ),IPv6的报文前四位为( )。
## 答案
BD
0100, 1110
## 选项
### A
1000
1110, 0100
### B
0100
0110, 1110
### C
0110
### D
1110
0100, 0110
{
"node_id": "network-ab6bfd85ec3440dd89fea166da0be00c",
"keywords": ["IP地址"],
"keywords": [
"IP地址"
],
"children": [],
"export": [],
"export": [
"02.json",
"03.json",
"01.json"
],
"keywords_must": [],
"keywords_forbid": []
}
\ No newline at end of file
{
"type": "code_options",
"author": "a54034079",
"source": "01.md",
"notebook_enable": false,
"exercise_id": "cfd80b65c63741c8b7b4347dabf2e5ae"
}
\ No newline at end of file
......@@ -4,7 +4,7 @@ IP地址由一组( )比特的二进制数字组成。
## 答案
C
32
## 选项
......@@ -18,8 +18,4 @@ C
### C
32
### D
64
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"author": "a54034079",
"source": "02.md",
"notebook_enable": false,
"exercise_id": "bb9902b97a684d4e8ddab252032e5a2d"
}
\ No newline at end of file
......@@ -4,13 +4,13 @@
## 答案
A
255.0.0.0
## 选项
### A
255.0.0.0
111.255.0.0
### B
......@@ -19,7 +19,3 @@ A
### C
255.255.255.0
### D
111.255.0.0
{
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"author": "a54034079",
"source": "03.md",
"notebook_enable": false,
"exercise_id": "d41b9fa9697a42d5bd17af41b4d9d7dd"
}
\ No newline at end of file
......@@ -4,7 +4,7 @@
## 答案
D
D
## 选项
......@@ -19,7 +19,3 @@ B类
### C
C类
### D
D类
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"type": "code_options",
"author": "a54034079",
"source": "04.md",
"notebook_enable": false,
"exercise_id": "b08dbbf7b77249c1a85c5af2a5fd859b"
}
\ No newline at end of file
......@@ -4,7 +4,7 @@
## 答案
D
172.33.5.6
## 选项
......@@ -19,8 +19,3 @@ D
### C
192.168.2.1
### D
172.33.5.6
{
"type": "code_options",
"author": "a54034079",
"source": "05.md",
"notebook_enable": false,
"exercise_id": "1cc9ae2b28974a83a262eb2f29408209"
}
\ No newline at end of file
......@@ -4,7 +4,7 @@
## 答案
C
255.255.255.224
## 选项
......@@ -18,8 +18,4 @@ C
### C
255.255.255.224
### D
255.255.255.192
{
"type": "code_options",
"author": "a54034079",
"source": "06.md",
"notebook_enable": false,
"exercise_id": "0b19ba0af721413f8f6b2331ec8aac53"
}
\ No newline at end of file
......@@ -4,7 +4,7 @@
## 答案
C
202.101.35.60/27
## 选项
......@@ -18,8 +18,4 @@ C
### C
202.101.35.60/27
### D
202.101.35.63/27
{
"type": "code_options",
"author": "a54034079",
"source": "07.md",
"notebook_enable": false,
"exercise_id": "25bca01d45944149854ee0204ec27a3c"
}
\ No newline at end of file
......@@ -4,7 +4,7 @@
## 答案
D
增加网络延时
## 选项
......@@ -19,7 +19,3 @@ D
### C
解决地址重复
### D
增加网络延时
{
"type": "code_options",
"author": "a54034079",
"source": "08.md",
"notebook_enable": false,
"exercise_id": "ff847aea7dcb422fa51f8a13eb107ff4"
}
\ No newline at end of file
......@@ -4,7 +4,7 @@
## 答案
B
表示所有不清楚的主机和目的网络
## 选项
......@@ -14,12 +14,8 @@ B
### B
表示所有不清楚的主机和目的网络
直接广播地址
### C
受限制的广播地址
### D
直接广播地址
{
"node_id": "network-772cd2af7db94508840e1441a7574877",
"keywords": ["IP地址的计算","子网划分"],
"keywords": [
"IP地址的计算",
"子网划分"
],
"children": [],
"export": [],
"export": [
"08.json",
"06.json",
"02.json",
"03.json",
"07.json",
"04.json",
"05.json",
"01.json"
],
"keywords_must": [],
"keywords_forbid": []
}
\ No newline at end of file
{
"type": "code_options",
"author": "a54034079",
"source": "01.md",
"notebook_enable": false,
"exercise_id": "b98ceb18ac674e1488562db34a039788"
}
\ No newline at end of file
......@@ -4,7 +4,7 @@
## 答案
D
ICMP
## 选项
......@@ -19,7 +19,3 @@ UDP
### C
IGMP
### D
ICMP
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"notebook_enable": false,
"exercise_id": "c8e598e2b0ff4864a7f0e201abcc1bc2"
}
\ No newline at end of file
......@@ -4,7 +4,7 @@
## 答案
C
ipconfig
## 选项
......@@ -18,8 +18,4 @@ ping
### C
ipconfig
### D
tracert
{
"type": "code_options",
"author": "a54034079",
"source": "03.md",
"notebook_enable": false,
"exercise_id": "db721b891ead4c7ab27224ba1ff2334a"
}
\ No newline at end of file
......@@ -4,7 +4,7 @@
## 答案
D
tracert
## 选项
......@@ -19,7 +19,3 @@ ping
### C
ipconfig
### D
tracert
\ No newline at end of file
{
"node_id": "network-cbc2f413286e40fcad470f79d0da9f1d",
"keywords": ["常用协议和命令"],
"keywords": [
"常用协议和命令"
],
"children": [],
"export": [],
"export": [
"02.json",
"03.json",
"01.json"
],
"keywords_must": [],
"keywords_forbid": []
}
\ No newline at end of file
{
"type": "code_options",
"author": "a54034079",
"source": "01.md",
"notebook_enable": false,
"exercise_id": "e767c76ffcc444c0a86a87943dd8fe4a"
}
\ No newline at end of file
......@@ -4,13 +4,13 @@
## 答案
A
路由选择
## 选项
### A
路由选择
网络连接
### B
......@@ -19,7 +19,3 @@ A
### C
分隔子网
### D
网络连接
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"notebook_enable": false,
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}
\ No newline at end of file
......@@ -4,7 +4,7 @@
## 答案
C
目的网络和到达该目的地网络路径上的下一个路由器的IP地址
## 选项
......@@ -18,8 +18,4 @@ C
### C
目的网络和到达该目的地网络路径上的下一个路由器的IP地址
### D
互联网中所有路由器的IP地址
{
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"author": "a54034079",
"source": "03.md",
"notebook_enable": false,
"exercise_id": "d52194f4c6ff48a18f690355ce863b28"
}
\ No newline at end of file
......@@ -4,7 +4,7 @@
## 答案
B
目的地址
## 选项
......@@ -14,12 +14,8 @@ B
### B
目的地址
度量值
### C
下一跳地址
### D
度量值
{
"node_id": "network-9d424643d20e4d6a8e563debaad8f21a",
"keywords": ["三层转发原理","路由查表转发过程","路由器工作原理"],
"keywords": [
"三层转发原理",
"路由查表转发过程",
"路由器工作原理"
],
"children": [],
"export": [],
"export": [
"02.json",
"03.json",
"01.json"
],
"keywords_must": [],
"keywords_forbid": []
}
\ No newline at end of file
{
"type": "code_options",
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"source": "01.md",
"notebook_enable": false,
"exercise_id": "005cec2d2c6d4dc4a7a254796eab7449"
}
\ No newline at end of file
# 静态路由
静态路由是手工添加的,而动态路由是自动生成路径
以下说法正确的是?
## 答案
A
静态路由是手工添加的, 而动态路由是自动生成路径
## 选项
### A
正确
静态路由是自动生成路径, 而动态路由是手工添加的
### B
错误
静态路由和动态路由都是手工添加的
### C
静态路由和动态路由都是自动生成路径
{
"node_id": "network-edb91111e5ff435cbcf23f5537866369",
"keywords": ["静态路由"],
"keywords": [
"静态路由"
],
"children": [],
"export": [],
"export": [
"01.json"
],
"keywords_must": [],
"keywords_forbid": []
}
\ No newline at end of file
{
"type": "code_options",
"author": "a54034079",
"source": "01.md",
"notebook_enable": false,
"exercise_id": "25b86af330dd4b0ab9736c0c67bc5abf"
}
\ No newline at end of file
......@@ -4,7 +4,7 @@
## 答案
D
无网络流量的消耗
## 选项
......@@ -19,7 +19,3 @@ D
### C
一定程度上不受网络规模的限制
### D
无网络流量的消耗
\ No newline at end of file
{
"node_id": "network-8dd155538a954267abe06242248a083e",
"keywords": ["动态路由"],
"keywords": [
"动态路由"
],
"children": [],
"export": [],
"export": [
"01.json"
],
"keywords_must": [],
"keywords_forbid": []
}
\ No newline at end of file
{
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"exercise_id": "7d430d776c0f40849e99f87fc0be8596"
}
\ No newline at end of file
......@@ -4,13 +4,13 @@
## 答案
A
FE80::801:FE::04A1
## 选项
### A
FE80::801:FE::04A1
FE80:0:0:801:FE::4A1
### B
......@@ -19,7 +19,3 @@ FE80::801:FE:0:0:04A1
### C
FE80:0:0:801:FE::04A1
### D
FE80:0:0:801:FE::4A1
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"author": "a54034079",
"source": "02.md",
"notebook_enable": false,
"exercise_id": "017383b45c7d4dfa9039c67c3e0aa768"
}
\ No newline at end of file
......@@ -2,24 +2,25 @@
IPv6地址可分为三种:( )、( )、( )。
1. 单播(Unicast)地址
2. 任播(Anycast)地址
3. 多播(multicast)地址
4. 广播(broadcast)地址
## 答案
ABC
1,2,3
## 选项
### A
单播(Unicast)地址,,
1,2,4
### B
任播(Anycast)地址
1,3,4
### C
多播(multicast)地址
### D
广播(broadcast)地址
2,3,4
{
"node_id": "network-1f93a31002cf4fe2924a8c513c4a4a5c",
"keywords": ["IPv6"],
"keywords": [
"IPv6"
],
"children": [],
"export": [],
"export": [
"02.json",
"01.json"
],
"keywords_must": [],
"keywords_forbid": []
}
\ No newline at end of file
{
"type": "code_options",
"author": "a54034079",
"source": "01.md",
"notebook_enable": false,
"exercise_id": "5fe75e54030b4712a0cce48786dedd64"
}
\ No newline at end of file
......@@ -4,7 +4,7 @@
## 答案
C
传输层根据IP地址确定数据的转发路由
## 选项
......@@ -18,8 +18,4 @@ C
### C
传输层根据IP地址确定数据的转发路由
### D
传输层根据源端口号和目的端口号区分不同的应用层进程所发送或接收的数据
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}
\ No newline at end of file
......@@ -4,7 +4,7 @@ TCP 的协议数据单元被称为:
## 答案
C
## 选项
......@@ -18,8 +18,4 @@ C
### C
### D
字符
{
"node_id": "network-74e3d2800f35424a8e98ce089f7c27c6",
"keywords": ["传输层作用"],
"keywords": [
"传输层作用"
],
"children": [],
"export": [],
"export": [
"02.json",
"01.json"
],
"keywords_must": [],
"keywords_forbid": []
}
\ No newline at end of file
{
"type": "code_options",
"author": "a54034079",
"source": "01.md",
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"exercise_id": "cf119772d8a04ee39cb179dfa0a61c00"
}
\ No newline at end of file
......@@ -4,13 +4,13 @@
## 答案
A
0 到 1023
## 选项
### A
0 到 1023
49153 到 65535
### B
......@@ -19,7 +19,3 @@ A
### C
1024 到2047
### D
49153 到 65535
{
"node_id": "network-b9246efd155b47799dc02eb00175bd3d",
"keywords": ["传输层端口号"],
"keywords": [
"传输层端口号"
],
"children": [],
"export": [],
"export": [
"01.json"
],
"keywords_must": [],
"keywords_forbid": []
}
\ No newline at end of file
{
"type": "code_options",
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}
\ No newline at end of file
......@@ -4,13 +4,13 @@ TCP协议是()。
## 答案
A
面向连接的、可靠的
## 选项
### A
面向连接的、可靠的
面向无连接的、不可靠的
### B
......@@ -19,7 +19,3 @@ A
### C
面向连接的、不可靠的
### D
面向无连接的、不可靠的
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\ No newline at end of file
......@@ -2,10 +2,9 @@
在TCP/IP通信过程中,当TCP报文的SYN=1,ACK=1时,表明这是( )。
## 答案
C
连接应答报文
## 选项
......@@ -19,8 +18,4 @@ C
### C
连接应答报文
### D
拒绝连接报文
{
"node_id": "network-85712193cdfa4d82bafaa0f4cd30e266",
"keywords": ["TCP协议特点","三次握手"],
"keywords": [
"TCP协议特点",
"三次握手"
],
"children": [],
"export": [],
"export": [
"02.json",
"03.json",
"01.json"
],
"keywords_must": [],
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}
\ No newline at end of file
{
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\ No newline at end of file
......@@ -4,7 +4,7 @@
## 答案
C
UDP
## 选项
......@@ -18,8 +18,4 @@ IP
### C
UDP
### D
HTTP
{
"node_id": "network-4a3481cb7b03425582b40d1e0d2e0d51",
"keywords": ["UDP协议特点"],
"keywords": [
"UDP协议特点"
],
"children": [],
"export": [],
"export": [
"01.json"
],
"keywords_must": [],
"keywords_forbid": []
}
\ No newline at end of file
{
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}
\ No newline at end of file
......@@ -4,7 +4,7 @@ OSI 应用层有何作用?
## 答案
C
提供数据加密和转换
## 选项
......@@ -18,8 +18,4 @@ C
### C
提供数据加密和转换
### D
提供数据分段
{
"node_id": "network-ae82cb15ba26426a91e8a1cb474328ae",
"keywords": ["应用层作用"],
"keywords": [
"应用层作用"
],
"children": [],
"export": [],
"export": [
"01.json"
],
"keywords_must": [],
"keywords_forbid": []
}
\ No newline at end of file
{
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"exercise_id": "2bb557c5210246d19a645197b1457989"
}
\ No newline at end of file
......@@ -4,7 +4,7 @@ Web的工作模式是()。
## 答案
C
客户机/服务器模式
## 选项
......@@ -18,8 +18,4 @@ C
### C
客户机/服务器模式
### D
点对点模式
{
"node_id": "network-bd22073e575c4d4ea1325760a3912954",
"keywords": ["HTTP协议","WEB服务"],
"keywords": [
"HTTP协议",
"WEB服务"
],
"children": [],
"export": [],
"export": [
"01.json"
],
"keywords_must": [],
"keywords_forbid": []
}
\ No newline at end of file
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}
\ No newline at end of file
......@@ -2,24 +2,29 @@
FTP的20端口用来传输(),21端口用来传输()。
1. 连接建立
2. 数据流
3. 控制流
4. 连接释放
## 答案
BC
2,3
## 选项
### A
连接建立
1,2
### B
数据流
3,4
### C
控制流
1,4
### D
连接释放
\ No newline at end of file
1,3
{
"node_id": "network-14c66687e6e84ea68668d40b4cacd873",
"keywords": ["FTP协议","文件传输协议"],
"keywords": [
"FTP协议",
"文件传输协议"
],
"children": [],
"export": [],
"export": [
"01.json"
],
"keywords_must": [],
"keywords_forbid": []
}
\ No newline at end of file
{
"type": "code_options",
"author": "a54034079",
"source": "01.md",
"notebook_enable": false,
"exercise_id": "0843083be8334828bbae6095df3e6864"
}
\ No newline at end of file
......@@ -2,24 +2,29 @@
域名系统是将()转换为()的服务。
1. MAC地址
2. 主机域名
3. IP地址
4. 公司名
## 答案
BC
2,3
## 选项
### A
MAC地址
1,2
### B
主机域名
1,3
### C
IP地址
1,4
### D
公司名
\ No newline at end of file
2,4
{
"node_id": "network-656828c7f31c4f72ad230b9e3191161d",
"keywords": ["DNS协议","域名系统","域名解析"],
"keywords": [
"DNS协议",
"域名系统",
"域名解析"
],
"children": [],
"export": [],
"export": [
"01.json"
],
"keywords_must": [],
"keywords_forbid": []
}
\ No newline at end of file
{
"type": "code_options",
"author": "a54034079",
"source": "01.md",
"notebook_enable": false,
"exercise_id": "388bcf49be2344b68f941049a29465a2"
}
\ No newline at end of file
......@@ -4,7 +4,7 @@ DHCP全称为动态主机配置协议,是一种可以自动分配IP地址的
## 答案
C
UDP
## 选项
......@@ -18,8 +18,4 @@ TCP
### C
UDP
### D
ARP
{
"node_id": "network-66b95999ea2147c4945a1456eb3baaee",
"keywords": ["DHCP协议","动态获取IP地址"],
"keywords": [
"DHCP协议",
"动态获取IP地址"
],
"children": [],
"export": [],
"export": [
"01.json"
],
"keywords_must": [],
"keywords_forbid": []
}
\ No newline at end of file
{
"type": "code_options",
"author": "a54034079",
"source": "01.md",
"notebook_enable": false,
"exercise_id": "50928dd5aa9b46b483ebd70b9b4d3891"
}
\ No newline at end of file
......@@ -4,7 +4,7 @@
## 答案
B
SMTP
## 选项
......@@ -14,12 +14,8 @@ SNMP
### B
SMTP
HTML
### C
HTTP
### D
HTML
{
"node_id": "network-c554312da0e0433c974d1e489be231e2",
"keywords": ["SMTP","POP"],
"keywords": [
"SMTP",
"POP"
],
"children": [],
"export": [],
"export": [
"01.json"
],
"keywords_must": [],
"keywords_forbid": []
}
\ No newline at end of file
......@@ -495,10 +495,10 @@
}
},
{
"路由器的作用": {
"常用协议和命令": {
"node_id": "network-cbc2f413286e40fcad470f79d0da9f1d",
"keywords": [
"路由器作用"
"常用协议和命令"
],
"children": [],
"keywords_must": [],
......
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