Ports and Protocols

Question 1

20/21

Answer 1

File Transfer Protocol

Question 2

22

Answer 2

Secure Shell (SSH)

Question 3

23

Answer 3

Telnet

Question 4

25

Answer 4

Simple Mail Transfer Protocol (SMTP)

Question 5

53

Answer 5

DNS - Domain Name System

Question 6

67/68

Answer 6

Dynamic Host Configuration Protocol (DHCP)

Question 7

80

Answer 7

HTTP - Hypertext Transfer Protocol

Question 8

110

Answer 8

POP3 - Post Office Protocol 3

Question 9

137/139

Answer 9

NetBIOS - Network Basic Input/Output System

Question 10

143

Answer 10

IMAP- Internet Mail Access Protocol

Question 11

161/162

Answer 11

SNMP - Simple Network management Protocol

Question 12

389

Answer 12

LDAP - Lightweight Directory Access Protocol

Question 13

443

Answer 13

HTTPS- Hypertext Transfer Protocol Secure

Question 14

445

Answer 14

SMB - Server Message Block
CIFS - Common Internet File System

Question 15

3389

Answer 15

RDP - Remote Desktop Protocol

Question 16

Protocol and port number for:
An alert is received from a network switch

Answer 16

udp/162 (SNMP Trap)

Question 17

Protocol and port number for:
Email messages are sent from a desktop app

Answer 17

tcp/25 (SMTP)

Question 18

Protocol and port number for:
A document is sent to a Windows print server

Answer 18

tcp/445 (SMB)

Question 19

Protocol and port number for:
All terminal communication is encrypted

Answer 19

tcp/22 (SSH)

Question 20

Protocol and port number for:
Control the desktop of a remote Windows laptop

Answer 20

RDP - tcp/3389

Question 21

Protocol and port number for:
Automatically assign IP addresses to network devices

Answer 21

DHCP - udp/67, udp/68

Question 22

Protocol and port number for:
Copy a file to a Windows share

Answer 22

SMB - tcp/445

Question 23

Protocol and port number for:
Gather performance metrics from a file server

Answer 23

SNMP - udp/161

Question 24

Insecurely connect to a remote console

Answer 24

Telnet - tcp/23