- 1
-
●Fr
- ame. Relay is simplified form. of&n
- bsp;(71) ,similar in prin
- ciple to (72) ,in which synchronous,frames of
- data are routed to different destinations depending on header information. Packets are routed throught one or more Virtual Circuits known as (73) .Most Virtual Circuits are (74) ,which means that the network prov
- B.Datagram Routing
- C.Packet Switching
- D.packet Routing (72) A.X.21
- B.X.25
- C.X.28
- D.X.29 (73) A.DLCIs
- A.IP 地址 &n
- bsp; B.MA
- C 地址
- C.LLC 地址
- D.PORT 地址 (63) A.通过微机的串口连接交换机的控制台端口
- B.通过Telnet程序远程访问交换机
- C.通过浏览器访问指定IP地址的交换机
- D.通过运行SNMP协议的网管软件访问交换机 (64) A.connect
- B.control
- C.configure
- 11
-
●For e
- ach
- blank,
- choose the best answer from the four choices an
- d write down on the answer sheet. (66) is a protocol that a host uses to inform. a router when it joins or leaves an Internet multicast group. (67) is an error detection code that most data com
- B.ICMP
- C.RARP
- D.IGMP (67) A.4B/SB
- B.CRC
- C.Manchester Code
- D.Huffman Code (68) A.OSPF
- A.199 &n
- bsp; B.100
- C.1024
- D.2048
- A.UDP &n
- bsp; B.T
- CP
- C.IP
- D.IPX (60) A.23
- B.21
- C.25
- D.80 (61) A.0
- B.1
- C.2
- A.远程访问 &n
- bsp; B.远程网络监控
- C.远程登录
- D.远程控制 (58) A.2
- B.410
- C.1
- D.6
- A.RIP &n
- bsp; B.GGP
- C.BGP
- D.OSPF (52) A.路由选择算法
- B.距离矢量算法
- C.链路状态算法
- D.内部网关算法 (53) A.它连接的所有链路的状态信息
- B.它的路由表
- C.与它相邻的路由器的地址
- D.所有目标节点的URL (54) A.Dijkstra
- A.OpenView不能处理因为某一网络对象故障而导致的其他对象的故障 &n
- bsp; B.NetView用户界面干净灵活,比OpenView更容易使用
- C.SunNetManager(SNM)是第一个重要的基于UNIX的网络管理系统
- D.OpenView的用户界面干净灵活,而且功能引导灵活
- A.应用管理 &n
- bsp; B.管理控制
- C.应用之间消息传递
- D.A、B和C
- A.具有加密功能的防火墙 &n
- bsp; B.单独的加密设备
- C.具有加密功能的路由器
- D.VPN内的各台主机对各自的信息进行相应的加密