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Internet Protocol Analysis/Application Layer/Quiz

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hint: answer to #9 has over 200 characters!

1

The application layer is an abstraction layer reserved for communications protocols and methods designed for

communications across an Internet Protocol (IP) computer network.

2

Application layer protocols use the underlying transport layer protocols to establish

connections.

3

The Hypertext Transfer Protocol (HTTP) is an application protocol for

.

4

HTTP functions as a

protocol in the

computing model.

5

HTTP uses

as its transport protocol and servers listen on port

by default.

6

HTTP defines methods that may be performed on the desired resource. Methods include

.

7

HTTP requests include

.

8

HTTP responses include

.

9

Hypertext Transfer Protocol Secure (HTTPS) is a widely used communications protocol for secure communication over a computer network, with especially wide deployment on the Internet. Technically, it is not a protocol in itself; rather, it is

.

10

HTTPS uses

as its transport protocol and servers listen on port

by default.

11

Web servers supporting HTTPS connections must have a public key certificate

.

12

TLS and SSL encrypt the segments of network connections at the Application Layer for the Transport Layer, using

.

13

TLS handshaking includes

.

14

Simple Mail Transfer Protocol (SMTP) is an Internet standard for

.

15

Client applications use

for sending messages to a mail server, but usually use either

or

or a proprietary system to access their mail box accounts on a mail server.

16

Client applications should use TCP port

to submit SMTP messages to a server. Servers use TCP port

to transfer SMTP messages to destination servers.

17

SMTP transactions include commands for

.