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初级网络管理员 问题列表
问题
An internet is a combination of networks connected by (1). When a datagram goes from a source to a (2), it will probably pass many (3) until it reaches the router attached to the destination network. A router receives a (4) from a network and passes it to another network. A router is usually attached to several networks. When it receives a packet, to which network should it pass the packet? The decision is based on optimization: Which of the available (5) is the optimum pathway?
空白(5)处应选择()A、pathwaysB、routersC、diagramsD、calls
问题
在Linux操作系统中,可以通过修改()文件对DNS搜索顺序及DNS服务器的地址进行配置。A、inetD.confB、lilo.confC、httpD.confD、resolv.conf
问题
【说明】某公司要在Windows2003Server上搭建内部FTP服务器,服务器分配有一个静态的公网IP地址228.121.12.38。FTP服务器的创建可分为安装、配置、测试3个过程。其中图5.73和图5.74分别为配置过程中FTP站点创建和FTP站点属性的配置对话框。
依据图5.74的配置,该FTP服务器配置完成后,用户可以上传文件吗?为什么?
问题
A transport layer protocol has several responsibilities, One is to create a process-to-process (program-to-program) communication; TCP uses port (1) to accomplish this. Another responsibility of a transport layer protocol is to create a (2) and error-control mechanism at the transport level. TCP uses a sliding (3) protocol to achieve flow control. It uses the acknowledgment packet, time-out, and retransmission to achieve (4) control. The transport layer is also responsible for providing a connection mechanism for the application program. The application program sends (5) of data to the transport layer. It is the responsibility of the transport layer at the sending station to make a connection with the receiver.
空白(4)处应选择()A、packetB、timeC、errorD、phase
问题
若用8位机器码表示二进制数-111,则原码表示的十六进制形式为(1);补码表示的十六进制形式(2)。空白(2)处应选择()A、F9B、F0C、89D、80