Introduction to IP

Question 1

What layer of the OSI model do UDP and TCP operate on

Answer 1

The transport layer, the fourth layer.

Question 2

What does TCP stand for?

Answer 2

Transmission Control Protocol

Question 3

What does UDP stand for?

Answer 3

User Datagram Protocol

Question 4

What is a connection oriented protocol?

Answer 4

a protocol that has a formal process to set up the flow from one device to the other and a formal device to tear it down when the connection is over.

Question 5

What is reliable delivery?

Answer 5

Reliable delivery is when a protocol has a built in system to ensure that data that has been sent has been verified as being received on the other side.

Question 6

What is UDP most associated with?

Answer 6

Real time communication.

Question 7

What are other examples of connectionless protocols?

Answer 7

DHCP (Dynamic Host Configuration Protocol) and TFTP (Trivial File Transfer Protocol)

Question 8

To complete traffic flow between devices, what information is needed?

Answer 8

The server IP address, a protocol that would be in use such as TCP and UDP, and for the protocol which application port number.

Question 9

What are common port numbers for webservers to use?

Answer 9

80 and 443

Question 10

What are the numbers that ports commonly run through?

Answer 10

0 - 1023

Question 11

What ports does an OS usually assign?

Answer 11

Between 1024 and 65, 535

Question 12

What ports do UDP and TCP utilize?

Answer 12

between 0 and 65, 535