Individual Exercises from the Textbook: Answer the questions in depth Read

 
  Individual Exercises from the Textbook: Answer the questions in depth
Read the standard for URLs. What does a pound sign (#) followed by a string mean at the end of a URL?
Is it legal to send the pound sign suffix on a URL to a web server? Why or why not?
How does a browser distinguish between a document that contains HTML and a document that contains arbitrary text? To find out, experiment by using a browser to read from a file. Does the browser use the name of the file or the contents to decide how to interpret the file?
What is the purpose of an HTTP TRACE command?
What is the difference between an HTTP PUT command and an HTTP POST command? When is each useful?
When is an HTTP Keep-Alive header used?
If a browser does not send an HTTP Content-Length header before a request, how does a server respond?
Note:You need to expand your answers to include examples, case studies, compare/contrasts, etc. you need at least 3 sentences to form a complete paragraph, so every paragraph make sure you have at least 3 sentences with breadth and depth, and every definition should have a citation/resource referenced 
Note: Strictly No copy paste, Plagiarism results in course termination. Please include references, please do the assignment in APA FORMATE.