Chapter 5

Question 0

What is flow control

Answer 0

Uses window sizes to protect buffer space and routing devices from being overloaded with traffic.

Question 1

Processes of TCP

Answer 1

Multiplexing using ports, error-recovery, flow control using windowing, connection establishment and termination, ordered and data segmentation

Question 2

Port 20 TCP

Answer 2

FTP data

Question 3

Port 21 tcp

Answer 3

FTP control

Question 4

Port 22 tcp

Answer 4

Ssh

Question 5

Port 23 tcp

Answer 5

Telnet

Question 6

Port 25 tcp

Answer 6

SMTP

Question 7

Port 53 udp, tcp

Answer 7

DNS

Question 8

Port 67,68 udp

Answer 8

DHCP

Question 9

Port 69 udp

Answer 9

Tftp

Question 10

Port 80 tcp

Answer 10

Http

Question 11

Port 110 tcp

Answer 11

Pop3

Question 12

Port 161 udp

Answer 12

SNMP

Question 13

Port 443 tcp

Answer 13

HTTPS

Question 14

Connection establishment. 3 way hand shake

Answer 14

Syn, syn-ack, ack

Question 15

Connection termination

Answer 15

Ack-fin, ack. Ack-fin, ack

Question 16

Describe bandwidth for QoS

Answer 16

Volume of bits per seconded needed for the application to work.

Question 17

Describe delay with QoS

Answer 17

The amount of time it takes one up packet to flow from sender to receiver.

Question 18

Describe jitter with QoS.

Answer 18

The variation in delay.

Question 19

Describe loss with QoS

Answer 19

Packets discarded by the network. Tcp retransmits the packets.

Question 20

For QoS what does web browsing need

Answer 20

Delay, jitter, loss, all medium.

Question 21

For QoS what does VoIP need.

Answer 21

Delay, jitter, loss, all low.

Question 22

For QoS what does a video call need.

Answer 22

Delay, jitter, loss, all low.

Question 23

Http://www.google.com/hello

Where is the protocol listed.

Answer 23

Before the double froward slash.

Question 24

http://www.google.com/hello

Where is the host name listed.

Answer 24

Between the two forward slashes.

Question 25

http://google.com/hello

Where is the name of the web page.

Answer 25

After the forward slash.