Port Numbers

Question 1

0 to 1023 are known as…

Answer 1

Well-Known or System Ports

Question 2

SSH

Answer 2

TCP 22

Question 3

Telnet

Answer 3

23

Question 4

FTP

Answer 4

20/21

Question 5

SMTP

Answer 5

TCP 25

Question 6

HTTP

Answer 6

TCP 80

Question 7

POP3

Answer 7

TCP 110

Question 8

1024 to 49151 are known as…

Answer 8

Registered or User Ports

Question 9

NTP

Answer 9

123

Question 10

FTP control connection for administering a session

Answer 10

21

Question 11

FTP Data Connection for sending file data

Answer 11

20

Question 12

IMAP

Answer 12

TCP 143

Question 13

DNS

Answer 13

UDP/TCP 53

Question 14

49152-65535

Answer 14

Dynamic or Private Ports

Question 15

Network News Transfer Protocol (NNTP)

Answer 15

TCP 119

Question 16

HTTPS

Answer 16

TCP 443

Question 17

TFTP

Answer 17

UDP 69

Question 18

DHCP

Answer 18

67 server / 68 client

UDP

Question 19

SNMP

Answer 19

UDP 161/162

Question 20

Terminal Access Controller Access-Control System (TACACS)

Answer 20

49

Question 21

NetBIOS

Answer 21

137/138/139

Question 22

Remote Authentication Dial-In User Service (RADIUS)

Answer 22

1812/1813

Question 23

Lightweight Directory Access Protocol (LDAP)

Answer 23

TCP 389

Question 24

Remote Desktop Protocol (RDP)

Answer 24

3389

Question 25

PPTP

Answer 25

1723

Question 26

Kerberos

Answer 26

88

Question 27

L2TP

Answer 27

1701

Question 28

SNMP Agent receives requests on

Answer 28

UDP 161

Question 29

SNMP Management station receives notifications on

Answer 29

UDP 162

Question 30

SIP non-encrypted

Answer 30

5060

Question 31

SIP encrypted

Answer 31

5061

Question 32

Media Gateway Control Protocol (MGCP)

Answer 32

2427/2727

Question 33

Real-time Transport Protocol (RTP)

Answer 33

5004

Question 34

H.323

Answer 34

TCP 1720

Question 35

Server Message Block (SMB)

Answer 35

TCP 445