PORTS

Question 1

Port 20 and 21

Answer 1

TCP - Data

Question 2

Port 22

Answer 2

SSH- secure sshell encrypted

Also a remote

Question 3

Port 23

Answer 3

Telnet- unencrypted

Question 4

Port 25

Answer 4

SMTP - Mail TCP

Question 5

Port 53

Answer 5

DNS - Domain Name Server

TCP/UDP

Question 6

Port 67

Answer 6

DHCPv4 UDP

Client to server

Question 7

Port 68

Answer 7

DHCPv4 UDP

Server to client

Question 8

Port 69

Answer 8

TFTP - Trivial file transfer protocol

UDP

Question 9

Port 80

Answer 9

Http

UDP/TCP

Question 10

Port 110

Answer 10

Pop3 TCP

Post office protocol

Question 11

Port 123

Answer 11

NTP - Network Time Protoxol

Question 12

Port 137-139

Answer 12

NetBios

Legacy

Question 13

Port 143

Answer 13

IMAP - Internet message access

Question 14

Port 161

Answer 14

SNMP- simple network manage protocol

TCP/UDP

Question 15

Port 443

Answer 15

HTTPS - Secure UDP/TCP

Question 16

Port 445

Answer 16

SMB- Server Message block
Or
CIFS

Question 17

Port 546

Answer 17

DHCPv6 Dynamic Host control protocol

Client to server

Question 18

Port 547

Answer 18

DHCPv6 Dynamic host Server to client

Question 19

Port 1720

Answer 19

H.323 - packet based media TCP

Question 20

Port 2427/2727

Answer 20

MGCP - Media Gateway Control

TCP/UDP

Question 21

Port 3389

Answer 21

RDP - Remote Desktop. TCP

Question 22

Port 5004

Answer 22

RTP - Real time protocol

UDP

Question 23

Port 5005

Answer 23

RTCP - Real time Transport protocol

UDP

Question 24

Port 5060

Answer 24

SIP - Session initiation unencrypted

Question 25

Port 5061

Answer 25

SIP- Session initiation Encrypted | UDP