PowerPoint presentation of first 25 pages of instructional manual Edith Fabiyi Essentials of Internet Access.

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Presentation transcript:

PowerPoint presentation of first 25 pages of instructional manual Edith Fabiyi Essentials of Internet Access

The Internet Connected computers combining hardware and software of different platforms (PC or Mac) Is not owned by any one person, however standards are administered by a body called IETF (Internet Engineering Task Force) Primarily used for the following services: world wide web, mail access, file downloads and search services Essentials of Internet Access

TCP/IP is a universal language which makes this cross connectivity possible All computers must have a unique IP address IP addresses are administered by InterNIC Essentials of Internet Access

Web Browsing Web browsers like Internet Explorer and Netscape are software that use the HTTP protocol to convert documents into HTML (Hypertext Markup Language) upon request The browser sits locally on your computer while the HTML file is a remote document in a web server The HTML file may have been converted by CGI or ASP Standard Port for HTTP is 80 Essentials of Internet Access

FTP (File Transfer Protocol) Another Internet protocol which makes accessing files for downloading and uploading possible Can access software, drivers and files The port for ftp is 21 Security is an issue for this Internet activity Essentials of Internet Access

Electronic Mail SMTP (Simple Mail Transfer Protocol) is a protocol that makes work POP3 (Post Office Protocol 3) enables rich text, graphics and other content mailers like to send and receive SMTP and POP3 require a Mail Server Browsers have added tools like sorting, saving and searching to help with managing Mail servers hosts newsgroups also Essentials of Internet Access

Gopher Requires a Gopher server in order perform searches across Internet servers Essentials of Internet Access

SSL (Secure Sockets Layer) Security protocol that works HTTP, FTP, Gopher and TELNET Guards access to data and data destruction Works with hierarchy of trust, authenticating certificates to make sure user is dealing with official sites. Essentials of Internet Access

Summarize Connectivity across platforms and around the world is made possible by the use of TCP/IP protocol Every computer on the Internet has a unique IP address HTTP protocol makes it possible to browse the web FTP protocol enables posting and uploading various files to and from remote locations SMTP or the more sophisticated POP3 protocol is for sending and receiving mail, list serves and newsgroups GOPHER enables searching SSL protocol enables a range of security measures Essentials of Internet Access