免费智能真题库 > 历年试卷 > 网络规划设计师 > 2012年下半年 网络规划设计师 上午试卷 综合知识
  第71题      
  知识点:   net
  章/节:   专业英语       

 
BGP is an inter-autonomous system routing protocol; it is designed to be used between multiple autonomous (71).BGP assumes that routing within an autonomous system is done by an intra-autonomous system routing protocol. BGP does not make any assumptions about intra-autonomous system (72) protocols employed by the various autonomous systems. Specifically, BGP does not require all autonomous systems to run the same intra-autonomous system routing protocol.
BGP is a real inter-autonomous system routing protocol. It imposes no constraints on the underlying Internet topology. The information exchanged via BGP is sufficient construct a graph of autonomous systems connectivity from which routing loops may be pruned and some routing (73) decisions at the autonomous system level may be enforced.
The key feature of the protocol is the notion of Path Attributes. This feature provides BGP with flexibility and expandability. Path (74) are partitioned into well-known  and optional. The provision for optional attributes allows experimentation that may involve a group of BGP (75) without affecting the rest of the Internet. New optional attributes can be added to the protocol in much the same fashion as new options are added to the Telnet protocol, for instance.
 
 
  A.  routers
 
  B.  systems
 
  C.  computer
 
  D.  sources
 
 
 

 
  第75题    2016年下半年  
   60%
The diffserv approach to providing QoS in networks employs a small, well-defined set of building blocks from which you c..
  第71题    2009年下半年  
   75%
The network layer provides services to the transport layer. It can be based on either (71) . In both cases, its main job..
  第74题    2018年下半年  
   36%
Anytime a host or a router has an IP datagram to send to another host or router, it has the (71) address of the receiver..
   知识点讲解    
   · net
 
       net
        在网络管理中,最为常用的就是net命令家族。常用的net命令有以下几个。
        .net view命令:显示由指定的计算机共享的域、计算机或资源的列表。
        .net share:用于管理共享资源,使网络用户可以使用某一服务器上的资源。
        .net use命令:用于将计算机与共享的资源相连接或断开,或者显示关于计算机连接的信息。
        .net start命令:用于启动服务,或显示已启动服务的列表。
        .net stop命令:用于停止正在运行的服务。
        .net user命令:可用来添加或修改计算机上的用户账户,或者显示用户账户的信息。
        .net config命令:显示正在运行的可配置服务,或显示和更改服务器服务或工作站服务的设置。
        .net send命令:用于将消息(可以是中文)发送到网络上的其他用户、计算机或者消息名称上。
        .net localgroup命令:用于添加、显示或修改本地组。
        .net accounts命令:可用来更新用户账户数据库、更改密码及所有账户的登录要求。
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