- 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
- 11
-
●NetXr
- 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
- 5
-
●以太网100B
- 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