TCP/IP Applications

Question 1

SYN

Answer 1

Synchronize segment sent to destination

Question 2

ACK

Answer 2

Acknowledgement segment sent back to SYN sender

Question 3

What type of traffic does DNS use?

Answer 3

UDP

Question 4

What type of Traffic does DHCP use?

Answer 4

UDP

Question 5

What ports does DHCP use

Answer 5

Ports 67 to to send data to and from server

Port 68 to send and receive data from clients

Question 6

NTP

Answer 6

Network Time Protocol

Question 7

What type of traffic does NTP use

Answer 7

UDP

Question 8

SNTP

Answer 8

Simple Network Time Protocol

Question 9

What type of traffic does SNTP use

Answer 9

UDP

Question 10

TFTP

Answer 10

Trivial File Transfer Protocol

Question 11

What type of traffic does TFTP use and what port does it use

Answer 11

UDP

Port 69

Question 12

IGMP

Answer 12

Internet group management protocol, enabled routers to communicate with hosts to determine a group membership.

Question 13

TCP/IP Common Port Numbers

Answer 13

0-1023

Question 14

Ephemeral Port Numbers/Dynamic or private port numbers

Answer 14

49152-65535

Question 15

Registered Port Numbers

Answer 15

1024-49151

Question 16

netstat -a

Answer 16

Shows all ports active and listening

Question 17

netstat -n

Answer 17

Shows all port numbers and IP addresses for sessions

Question 18

netstat -ano

Answer 18

Shows process ID of session

Question 19

netstat -b

Answer 19

Shows running program name of session

Question 20

Port 80

Answer 20

HTTP

Question 21

Port 443

Answer 21

HTTPS

Question 22

Port 23

Answer 22

Telnet

Question 23

Port 22

Answer 23

SSH

Question 24

Port 25

Answer 24

SMTP

Question 25

Port 110

Answer 25

POP3

Question 26

Port 143

Answer 26

IMAP

Question 27

FTP

Answer 27

Port 20/21

Question 28

TFTP

Answer 28

Port 69