Chapter 10 - Application Layer

Question 1

Presentation layer

Answer 1

the layer in the OSI model that is responsible for formatting, compressing, and encrypting data

Question 2

Peer-to-peer network

Answer 2

consists of peer machines that exchange data with each other without a dedicated server

Question 3

application layer

Answer 3

provides data exchange and the interface between the system and the network

Question 4

domain name

Answer 4

the name that is used to uniquely identify a website and is used instead of the IP address

Question 5

URL

Answer 5

Uniform Resource Locator - the “friendly” address that is used in a web browser bar and that corresponds to the IP address of the site

Question 6

session layer

Answer 6

used to arrange the communication between source and destination applications and responsible for the state of the conversation

Question 7

client-server network

Answer 7

an architecture that allows network clients to request services directly from network servers

Question 8

HTTP

Answer 8

Hypertext Transfer Protocol - used to request and transfer hypertext data between clients and servers

Question 9

pop

Answer 9

a protocol that is used to retrieve email from a server It deletes messages from the server by default

Question 10

Imap

Answer 10

a protocol that is used in email retrieval It leaves copy of messages on the server.

Question 11

SMTP

Answer 11

simple mail transfer protocol - the protocol responsible for sending email

Question 12

DHCP

Answer 12

(dynamic host configuration protocol) a service that is used in networks to automatically configure IP addresses on devices