Module 9: The Transport Layer

Question 1

Is TCP Connectionless or Connection Orientated

Answer 1

Connection Orientated

Question 2

Is TCP Stateful or Stateless

Answer 2

Stateful - as it keeps track of the “state” of the sessions

Question 3

Is TCP reliable or unreliable

Answer 3

Reliable with flow control.

Question 4

Does UDP provide reliable and flow control

Answer 4

No

Question 5

Is UDP connectionless or connection orientated

Answer 5

connectionless

Question 6

Is UDP Stateful or Stateless

Answer 6

Stateless - it does not track the information sent

Question 7

What kind of delivery protocol does UDP have?

Answer 7

Best effort delivery protocol

Question 8

Three stages of the TCP handshake

Answer 8

Syn
Syn Ack
Ack

Question 9

What port number is FTP

Answer 9

20 and 21 uses TCP

Question 10

What port number is SSH

Answer 10

22 uses TCP

Question 11

What port number is Telnet

Answer 11

23 uses TCP

Question 12

What port number is SNTP

Answer 12

25 uses TCP

Question 13

What port number is DNS

Answer 13

53 and uses UDP

Question 14

What port number is HTTP

Answer 14

80 uses TCP

Question 15

What port number is HTTPS

Answer 15

443 uses TCP

Question 16

What port number is DHCP

Answer 16

67 and uses UDP

Question 17

What is TCP’s header length

Answer 17

20 bytes

Question 18

What is UDP’s header length

Answer 18

8 bytes fixed length