Ports

Question 1

FTP - Control

File Transfer Protocol

Answer 1

tcp/21

Sends and recieves file between systems

Question 2

FTP - Active Mode Data

File Transfer Protocol

Answer 2

tcp/20

Sends and recieves file between systems

Question 3

SSH

Secure Shell

Answer 3

tcp/22

Encrypted Console Access

Question 4

Telnet

jTelemcommunication Network

Answer 4

tcp/23

Insecure console access

Question 5

SMTP

Simple Mail Transfer Protocol

Answer 5

tcp/25

Transfer email between mail servers

Question 6

DNS

Domain Name System

Answer 6

udp/53 or tcp/53

Convert domain names to IP addresses

Question 7

DHCP

Dynamic Host Configuration Protocol

Answer 7

udp/67 & udp/68

Automate the IP address configuration process

Question 8

HTTP

Hypertext Transfer Protocol

Answer 8

tcp/80

Web server communication

Question 9

HTTPS

Hypertext Transfer Protocol Secure

Answer 9

tcp/443

Web server communication with encryption

Question 10

SNMP Query

Simple Network Management Protocol

Answer 10

udp/161

Gather metrics and manage network devices

Question 11

SNMP Trap

Simple Network Management Protocol

Answer 11

udp/162

Recieve alerts from network devices

Question 12

POP3

Post Office Protocol Version 3

Answer 12

tcp/110

Recieve email into a email client

Question 13

IMAP4

Internet Message Access Protocol Version 4

Answer 13

tcp/143

A newer email client protocol

Question 14

NetBIOS nbname

NetBIOS name service

Answer 14

udp/137

Register, remove, and find Windows service by name

Question 15

NetBIOS nbsession

NetBIOS session service

Answer 15

udp/139

Windows connection-oriented data transfer

Question 16

SMB

Server Message Block

Answer 16

tcp/445

Windows file transfer and printing sharing
- NetBIOS less, communicate over TCP without NetBIOS transport

Question 17

LDAP

Lightweight Directory Access Protocol

Answer 17

tcp/389

Directory Services

Question 18

RDP

Remote Desktop Protocol

Answer 18

tcp/3389

Graphical display of remote devices

Question 19

SPOP3

Secure POP3

Answer 19

tcp/995

Question 20

SIMAP4

Secure IMAP4

Answer 20

tcp/993

Question 21

USB-C

Answer 21

-24 pings double sided USB connector

Question 22

Lightning

Answer 22

-Apple proprietary
- 8 pin digital signal

Question 23

Micro-USB

Answer 23

• Smaller than USB connection
• Common worldwide

Typically andriod charger back in the day