TCP 状态转换图 ......................................................................................................................3
IP 头部......................................................................................................................................4
TCP 头部 ..................................................................................................................................4
UDP 头部 .................................................................................................................................4
网络 7 层、4 层 、5 层模型(体系结构) .................................................................................4
IP 地址分类..............................................................................................................................5
3 次握手(三次握手).................................................................................................................5
4 次挥手(四次挥手).................................................................................................................5
交换机与路由器的区别...........................................................................................................6
TIME_WAIT(2MSL) ...............................................................................................................6
TCP 可靠传输 ..........................................................................................................................6
TCP 流量控制 ..........................................................................................................................6
TCP 拥塞控制 ..........................................................................................................................7
网络编程一般步骤...................................................................................................................7
TCP 和 UDP 区别 ....................................................................................................................7
TCP 为什么不是两次握手而是三次 ......................................................................................7
TCP 为什么挥手是四次而不是三次 ......................................................................................8
阻塞和非阻塞 I/O 区别 ...........................................................................................................8
同步和异步区别.......................................................................................................................8
Reactor 和 Proactor 区别..........................................................................................................8
域名系统 DNS (使用 UDP) .....................................................................................................8
Web 页面请求过程(URL 请求过程).......................................................................................8
ARP 协议..................................................................................................................................9
HTTP 请求报文 .......................................................................................................................9
HTTP 响应报文 .....................................................................................................................10
HTTP 方法 .............................................................................................................................10
HTTP 状态码 .........................................................................................................................10
HTTP 常用字段 .....................................................................................................................11
Session 和 Cookie 区别..........................................................................................................11
HTTP 缓存 .............................................................................................................................11
HTTPs.....................................................................................................................................13
HTTP1.1 和 1.0 的区别..........................................................................................................14
HTTP2.0 的特点 ....................................................................................................................14
CSRF( 跨站请求伪造)、XSS(跨站脚本攻击)......................................................................14
操作系统 ........................................................................................................................................14
进程间通信方式 ....................................................................................................................14
常见 信号 有 哪些 ?:SIGINT ,SIGKILL( 不 能被 捕获 ) ,SIGSTOP( 不能被 捕获 ) 、
SIGTERM(可以被捕获),SIGSEGV,SIGCHLD,SIGALRM ........................................15
标准 io 和文件 io 的区别 ......................................................................................................15
wait 和 waitpid 区别...............................................................................................................15
父进程 fork 后父子进程共享的内容 ....................................................................................16
ELF 文件的理解 ....................................................................................................................16
linux 程序启动过程 ...............................................................................................................17
产生死锁的四个必要条件:.................................................................................................17