Ports

Question 1

20

Answer 1

TCP, UDP

FTP data

Question 2

21

Answer 2

TCP, UDP
FTP control

Question 3

22

Answer 3

TCP, UDP

SSH

Question 4

23

Answer 4

TCP, UDP

Telnet

Question 5

25

Answer 5

TCP, UDP
SMTP (email)

Question 6

53

Answer 6

UDP

DNS

Question 7

67

Answer 7

TCP, UDP

DHCP server

Question 8

68

Answer 8

TCP, UDP

DHCP client

Question 9

69

Answer 9

TCP, UDP

TFTP

Question 10

80

Answer 10

TCP, UDP

HTTP

Question 11

88

Answer 11

TCP, UDP

Kerberos

Question 12

110

Answer 12

TCP, UDP
POP3

Question 13

123

Answer 13

TCP, UDP

NTP

Question 14

135

Answer 14

TCP, UDP

Microsoft EPMAP

Question 15

136-139

Answer 15

TCP, UDP

NetBIOS

Question 16

143

Answer 16

TCP

IMAP

Question 17

161

Answer 17

UDP

SNMP

Question 18

162

Answer 18

TCP, UDP

SNMP traps

Question 19

389

Answer 19

TCP, UDP

LDAP

Question 20

443

Answer 20

TCP, UDP

HTTPS

Question 21

445

Answer 21

TCP

Microsoft AD and SMB

Question 22

500

Answer 22

TCP, UDP

ISAKMP, IKE

Question 23

515

Answer 23

TCP

LDP print services

Question 24

1433

Answer 24

TCP

Microsoft SQL Server

Question 25

1434

Answer 25

TCP, UDP Microsoft SQL Monitor

Question 26

1521

Answer 26

TCP Oracle Database Listener

Question 27

1812, 1813

Answer 27

TCP, UDP RADIUS