TAILIEUCHUNG - TCP/IP Network Administration- P12

Tham khảo tài liệu 'tcp/ip network administration- p12', công nghệ thông tin, quản trị mạng phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Chapter 13 Internet Information Resources some other browsers this field is labeled Location or Netsite but in all cases it performs the same function it holds the path to the information resource. In the example the location is http secalert . URL stands for universal resource locator. It is a standard way of defining a network resource and it has a specific structure service llserverlpathlfile In the sample URL http is the service is the server and secalerts is the path to the resource contained on that server. This tells the browser to locate a host with the domain name and to ask it for the hypertext information located in the secalerts path. Hypertext is not the only type of information that can be retrieved by a browser. The browser is intended to provide a consistent interface to various types of network resources. HTTP is only one of the services that can be specified in a URL. A Web browser can be used to view local hypertext files. This is how the gated documentation is delivered. Figure shows a network administrator reading the gated documentation. The URL in Figure is file localhost usr doc config_guide . The service is file which means that the resource is to be read via the standard filesystem. The server is the local host localhost . The path is usr doc config_gated and the file is . Figure Reading GateD documentation Please purchase PDF Split-Merge on to remove this watermark. file C mynapster Downloads warez tcpip 3 of 6 2001-10-15 09 19 02 Chapter 13 Internet Information Resources Another browser service that is often used by a network administrator is FTP. Figure shows a network administrator using a browser to download software. The URL in Figure is ftp Web Mosaic Unix binaries . FTP is the service used to access the resource which in this case is a binary file. The server which is the anonymous FTP

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