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路由与交换技术教学课件翻译

  • 2026-05-12 18:38:12
路由与交换技术教学课件翻译

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路由与交换技术教学课件翻译
这批教学课件（PPT）涉及路由与交换技术的基础知识，包括：VRP系统、登录与管理交换机、划分VLAN、生成树协议STP、实现VLAN间通信、配置动态路由协议、链路聚合等。下面是部分内容截图（不涉及保密信息）。
部分专业术语翻译总结：
WLAN：wireless local area network，无线局域网
OFDM：orthogonal frequency division multiplexing，正交频分复用
VRRP：virtual router redundancy protocol，虚拟路由冗余协议
BSS：basic service set，基本服务集
CSMA/CA：carrier sense multiple access/collision avoidance，载波侦听多址访问/冲突避免
static route：静态路由
floating static route：浮动静态路由
OSI：Open System Interconnect，开放系统互连参考模型
API：application programming interface，应用程序接口
FTP：File Transfer Protocol，文件传输协议
TFTP：Trivial File Transfer Protocol，简单文件传输协议
SFTP：Secure File Transfer Protocol，安全文件传输协议
segment routing：段路由（一种源路由协议，将网络报文转发路径切割为不同的分段）
LCP：Link Control Protocol，链路控制协议（用于PPP的链路协商）
STP：Spanning Tree Protocol，生成树协议

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  140. /yingpanguazai/ssd/ssd1/www/a.sjds.net/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.000482s ] mysql:host=127.0.0.1;port=3306;dbname=a_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000685s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.003441s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000470s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000676s ]
  6. SELECT * FROM `set` [ RunTime:0.000696s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000780s ]
  8. SELECT * FROM `article` WHERE `id` = 498825 LIMIT 1 [ RunTime:0.002762s ]
  9. UPDATE `article` SET `lasttime` = 1778647251 WHERE `id` = 498825 [ RunTime:0.005986s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000351s ]
  11. SELECT * FROM `article` WHERE `id` < 498825 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.005321s ]
  12. SELECT * FROM `article` WHERE `id` > 498825 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.003081s ]
  13. SELECT * FROM `article` WHERE `id` < 498825 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.013862s ]
  14. SELECT * FROM `article` WHERE `id` < 498825 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.012637s ]
  15. SELECT * FROM `article` WHERE `id` < 498825 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.015891s ]
0.143048s