- ally adequate to wait for congestion to occur and then react to it
- by telling the sour
- ce of packets to slow
- down.In high-speed networks, this approach often works poorly, because in the (71) between sending the notification and notification arriving at the source, thousands of additional (72) may arrive.In ATM network , a major tool for prev
- B.time
- C.slot
- D.delay (72) A.packets
- B.cells
- C.message
- D.files (73) A.collision
- 11
-
●For e
- ach
- blank,
- choose the best answer from the four choices an
- d write down on the answer sheet. (66) is a six bytes OSI layer 2 address which is burned into every networking device that provides its unique identity for point to point communication. (67) is a pr
- B.The IP address
- C.The subnet address
- D.The virtual address (67) A.ISO
- B.ANSI
- C.CCITT
- D.IEEE (68) A.The hub
- A.为客户机分配IP地址 &n
- bsp; B.访问HTTP的应用程序
- C.将计算机名翻译为IP地址
- D.将MAC地址翻译为IP地址
- A.IP &n
- bsp; B.U
- CP
- C.T
- DP
- D.ICMP (61) A.23
- B.80
- C.125
- D.21 (62) A.同一个
- B.顺序的
- A.链表结构 &n
- bsp; B.线性结构
- C.树形结构
- D.分层结构
- ay Agent)是一种&n
- bsp;(54) ,它可以在不同的网段之间传送报文。DH
- CP具有多种地址分配方案,对于移动终端(比如笔记本电脑)最适合的分配方案是 (55) 。使用Win
- dows 2000操作系统的DHCP客户机,如果启动时无法与DHCP服务器通信,它将 (56) 。因为DHCP报文是装入 (57) 数据单元中传送的,所以它是不安全的。 (53) A.动态地址绑定和租约
- B.报文扩充
- C.配置参数提交
- D.中继代理 (54) A.使用DHCP协议的路由器
- B.转发DHCP报文的主机或路由器
- C.可访问到的DHCP主机
- D.专用的服务器 (55) A.自动分配
- AP。 (58) A.静态分配TSAP &n
- bsp; B.动态分配TSAP
- C.名字服务器
- D.随机选取TSAP
- A.用户发送口令,由通信对方指定共享密钥 &n
- bsp; B.用户发送口令,由智能卡产生解秘密钥
- C.用户从K
- DC获得会话密钥
- D.用户从CA获得数字证书
- A.数据包的大小 &n
- bsp; B.数据包的源地址
- C.数据包的端口号
- D.数据包的目的地址
- A.授权 &n
- bsp; B.加密
- C.认证
- D.记帐