Application Protocols

Question 1

What is the purpose of Hypertext Transfer Protocol?

Answer 1

Hypertext transfer protocol (HTTP) defines how data should be exchanged between web browsers (clients) and web servers.

Question 2

What makes HTTPS more secure?

Answer 2

HTTPS is more secure because it uses secure socket layer (SSL) to encrypt the data that is sent between the client and the server.

Question 3

What is the purpose of File Transfer Protocol?

Answer 3

File transfer protocol (FTP) defines how binary and text data can be requested from a server and transmitted back to the client.

Question 4

What is the purpose of Simple Mail Transfer Protocol?

Answer 4

Simple Mail Transfer Protocol (SMTP) defines how e-mail messages are sent from an e-mail client to a mail server.

Question 5

What is the purpose of Post Office Protocol?

Answer 5

The Post Office Protocol (POP) is a common e-mail protocol which defines how emails can be retrieved from a mail server.

Question 6

What is the problem with POP?

Answer 6

When a user downloads an email, the mail is deleted from the server permanently. As a result, emails on different devices under the same account are not synced.

Question 7

What is the purpose of Internet Message Access Protocol?

Answer 7

Internet Message Access Protocol (IMAP) is another protocol for retrieving e-mails from a mail server. Multiple devices can be synced.