6. What are the major parts of HTTP? What parts are required and what parts are
ID: 3752802 • Letter: 6
Question
6. What are the major parts of HTTP? What parts are required and what parts are optional? What purpose do the optional parts serve? Is HTML a required part of all HTTP messages? The information in the HTTP request header can be useful for a web server for interactive and efficient communications between various web browsers and the web server. Provide an example of how the server can use the information in the HTTP request header What roles do SMTP and POP play in the sending and receiving of email over the Internet? Use an example (sending and receiving an email using Outlook Express or Mozila Thunderbird client application and SMTP and POP3 server applications) to discuss the roles. Retrieving emails from a POP server is considered insecure, especially when you are using Wireless LAN (WiFi). Explain why. Then, suggest a solution to this security problem 7. 8. 9. 10, Microsoft SMTP server we used for our Homework #2 does not require authentication (i.e., username and password). What problems would you expect if the server was deployed in real networks (the Internet)?Explanation / Answer
Answer)
6) Some of the components of HTTP are as follows:
Client, proxy and Server.
As HTTP is a client-service protocol hence request gets sent by one of the entity and here user agent is the web-browser.
As a protocol here every part is important and needed. Also, yes the HTML is an integral part of HTTP Messages.
7) HTTP header helps to give information about the request as well as response and also about the objects in the message body hence it is needed and useful.
Example:
HTTP Message is used while carrying the entity body which is associated with the request or even the response. While sending a message from A to B it contains the entity object in the HTTP Message.
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