TCP/IP Model

Question 1

List layers in order

Answer 1

Application
Transport
Network
Data Link
Physical

Question 2

Application protocol

Answer 2

HTTP, SMTP, FTP, IMAP, POP

Question 3

Transport Protocol

Answer 3

TCP, UDP

Question 4

Network Protocol

Answer 4

IP

Question 5

Data Link Protocol

Answer 5

Ethernet

Question 6

Physical Protocol

Answer 6

CAT5, RJ45

Question 7

Application Function

Answer 7

the users access to the network. uses application software. ex. internet explorer, skype, outlook. Defines the message on the internet

Question 8

Transport Function

Answer 8

links application layer to network layer. if we want to be reliable it will set up a virtual circuit. establishes an end to end connection. Breaks long messages up into small ones and numbers them, detects lost messages and resends them

Question 9

Network Function

Answer 9

in charge of routing and address finding

Question 10

Data Link Function

Answer 10

moves packet from one router to the next. controls the physical layer. formats the start and stop of messages. corrects errors.

Question 11

Physical Function

Answer 11

the physical connection between the sender and receiver