Question
As a result of accessing a web page using HTTP_a_300 series response is received. With the server provide the requested page or is this an indication of a critical error? List each layer of the TCP/IP stack (from highest layer to lowest) At which TCP/IP layer does the HTTP protocol exist ? Give an advantage of using a layered protocol stack and one disadvantage (compared to using a single, monolithic approach) What is a protocol and what is an interface, in the context of protocol stack ? What is the major difference between the original POP and IMAP email protocols ? Which layers are present in the OSI protocol stack are absent from the TCP/IP stack ? How is it possible to include the functions provided by these layers when using the TCP/IP stack, ?
Explanation / Answer
5)
when user sending the email, then user should select either POP3 or IMAP protocol to send the mails. Some of the differences are giving below.
POP3 e-mail protocol:
IMAP e-mail protocol: