Ports

Question 1

FTP

Answer 1

File Transfer Protocol

Insecure file transfer

Port 20 & 22 / UDP

Question 2

SSH

Answer 2

Secure Shell

Secure text based remote control

Port 22 / TCP

Question 3

SFTP

Answer 3

Secure File Transfer Protocol

Encrypted file transfer

Port 22 / TCP

Question 4

Telnet

Answer 4

Insecure SSH, remote access via Command Prompt

Port 23 / TCP

Question 5

SMTP

Answer 5

Simple Mail Transfer Protocol

Ability to send emails over the network

Port 25 / TCP

Question 6

DNS

Answer 6

Domain Name Service

Converts domain names to IP addresses and vice versa

Port 53 / Both

Question 7

DHCP

Answer 7

Dynamic Host Control Protocol

Automatically provides network parameters
APIPA

Port 67 & 68 / UDP

Question 8

HTTP

Answer 8

Hypertext Transfer Protocol

Insecure web browsing

Port 80 / TCP

Question 9

POP3

Answer 9

Post Office Protocol version 3

Receiving incoming emails

Port 110 / TCP

Question 10

NetBIOS

Answer 10

Network Basic Input/Output System

Name query for file & printer sharing on Windows network

Port 137 / both

Question 11

IMAP

Answer 11

Internet Mail Application Protocol

A newer version of POP3, receiving incoming emails

Port 143 / TCP

Question 12

LDAP

Answer 12

Lightweight Directory Access Protocol

Provides directory services to your network.

Port 389 / TCP

Question 13

HTTPS

Answer 13

Hypertext Transfer Protocol Secure

Encrypted web browsing

Port 443 / TCP

Question 14

SMB

Answer 14

Server Message Block

Used for Windows file and printer sharing services.

Port 445 / TCP

Question 15

RDP

Answer 15

Remote Desktop Protocol

Graphical remote control of another client or server.

Port 3389 / TCP