Question: The number of companies with a Web
The number of companies with a Web site has grown explosively in recent years. As a result, thousands of companies are registered in the com domain, causing a heavy load on the top-level server for this domain. Suggest a way to alleviate this problem without changing the naming scheme (i.e., without introducing new top-level domain names). It is permitted that your solution requires changes to the client code.
Answer to relevant QuestionsSome e-mail systems support a header field Content Return:. It specifies whether the body of a message is to be returned in the event of non-delivery. Does this field belong to the envelope or to the header?Name five MIME types not listed in the book. You can check your browser or the Internet for information.Does Web mail use POP3, IMAP, or neither? If one of these, why was that one chosen? If neither, which one is it closer to in spirit?In Fig. 7-25, www.aportal.com keeps track of user preferences in a cookie. A disadvantage of this scheme is that cookies are limited to 4 KB, so if the preferences are extensive, for example, many stocks, sports teams, types ...An HTML page is as follows: Click here for info If the user clicks on the hyperlink, a TCP connection is opened and a series of lines is sent to the server. List all the lines sent.
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