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- ation" protocol design
- by the IETF to (72) the
- current version Inernet Protocol,IP Version 4．Most of to
- day's internet uses Ipv4,which is now nearly twenty years old．Ipv4 has been remarkably resilient in spite of its age,but it is beginging to have problems．Most importantly ,there is a growing (73) of Ipv4 addresses,which are needed by all n
- B．abbreviate
- C．abbreviation
- D．initial (72) A．substitution
- B．replace
- C．switchover
- D．swap (73) A．scarcity
- A．0．0．0．0 &n
- bsp; B．10．0．0．1
- C．127．0．0．1
- D．255．255．255．255
- A (66) is basically an end point of a communication link between two applications．Sockets that extend over a network connect two or more applications running on separate computers at tached to the network．A socket (67) two
- B．UDP
- C．socket
- D．TCP (67) A．is made of
- B．composed of
- C．is composed of
- D．is consisted of (68) A．Email address and IP address
- B．MAC address and port address
- C．MAC address and IP address
- D．port number and IP address (69) A．full-duplex
- ay的功能是&n
- bsp;(64) 。 (64) A．捕获并分析数据包
- B．发送数据包
- C．网络管理查看功能
- D．A、B和C
- A．面向事务的客户 &n
- bsp; B．面向对象的服务器
- C．面向事务的客户服务器
- D．面向对象的客户服务器 (60) A．网关
- B．DNS
- C．ISP
- D．Web服务器 (61) A．80
- B．23
- C．25
- D．21 (62) A．TCP
- A.网桥
- B.网关
- C.中继器
- D.以太网交换机
- A.传输介质
- B.路由设备
- C.信宿
- D.服务器
- A．ping &n
- bsp; B．arp-a
- C．tracert
- D．telner (53) A．ping
- B．traceroute
- C．tracert
- D．route print (54) A．Ctrl+Break
- B．Ctrl+Alt+8
- C．Ctrl+Alt+Del
- D．Ctrl+Shift+Del (55) A．E-mail客户段软件
- A.物理层
- B.数据链路层
- C.网络层
- D.应用层
- ASE-TX标准规定的传输介质是&n
- bsp;(51) 。 (51) A．3类UTP
- B．5类UTP
- C．单模光纤
- D．多模光纤
