What is the main advantage of using PERSISTENT connections in HTTP 1.1?They allow for the transfer of multiple files over a single connection.They provide end-to-end encryption.They ensure data integrity through checksums.They increase the maximum payload size for HTTP messages

Which HTTP header is used by the server to inform the client about how it agrees to use the persistent connection?Question 6Select one:a.Cache-Controlb.Connectionc.Keep-Alived.Content-Length

What is an important aspect of an Application Layer protocol like HTTP?1 point

What is the primary advantage of using WebSockets for real-time communication over techniques like long polling?Select one:a. Lower latency and reduced overheadb. Stronger encryption for data transferc. Simplicity of implementationd. Better compatibility with firewalls

Explain the role of WebSockets in real-time communication and situations where they are preferable over traditional HTTP.

Answer the following:a. True or false?i. A user requests a Web page that consists of some text and three images. Forthis page, the client will send one request message and receive four responsemessages.ii. Two distinct Web pages (for example, www.mit.edu/research.html andwww.mit.edu/students.html) can be sent over the same persistent connection.iii. With nonpersistent connections between browser and origin server, it ispossible for a single TCP segment to carry two distinct HTTP requestmessages.iv. The Date: header in the HTTP response message indicates when the object inthe response was last modified.v. HTTP response messages never have an empty message body