Tutorial 3.pdf ) 22:07 Q 175% humbnailsx Chapter 2 . (RA) Why are the terms client and server still used in peer-to-peer appli cations? 5. (R6)What is the role of HTTP in a network application? 6. (R11) What is a stateless protocol? . (R13) Describe how Web caching can reduce the delay in receiving a re- quested object. Will web caching reduce the delay for all objects requested by a user or for only some of the objects? Why? (P3) Assume you open a browser and enter http://yourbusiness.com/about.html in the address bar. What happens until the webpage is displayed? Provide details about the protocols used and high-level description of the messages exchanged 8