Datacum

With non persistent connections between browser and origin server, it is possible for a single TCP segment to carry two distinct HTTP request messages?

A user requests a webpage that consists of some text and two images. For this page, the clientwill send one request message and recieve three response messages.

Two distinct webpages can be sent over the same persistent connection.

The Date: header is in the HTTP response message indicates when the object in the response was last modified.

For the UDP application, as soon as the client is executed, it attempts to initiate a UDP connection with the server?

An organizations mail server and web server can have the same alias for a host name.

FTP uses two paralell tcp connections (long question) one for sending info, one for transferring file.

A cookie number returning by a E-commerce website is used to encrypt the communications between web site and the clients browser.

SMTP uses handshaking at the application layer where http does not.

Web caching can reduce the delay even for objects that are not cashed.

TCP provides a reliable byte-stream between client and server but UDP does not.

TCP and UDP guarantee that a certain value for troughput will be maintained.

Neither TCP or UDP guarantee that data will be delivered within a specified amount of time.

TCP provides security while UDP does not.

SSL operates in the application layer.

In order to do a transaction as fast as possible, use TCP instread of UDP.

For a peer-to-peer file-sharing application there is no notion of client and server sides of a communication.

The IP adress of the destination host and the port number of the destination socket are used by a process running on one host to identify the other host.

Remote login NNTP SMTP are all propritary protocols.

Video streaming and instant messaging are applications that are not suitable for p2p arcitecture.