Ports

Question 1

FTP : File Transfer Protocol - Transfers files between client and server on a network

Answer 1

20/21

Question 2

SSH : Secure Shell - Provides secure access to a remote computer

Answer 2

TCP/22

Question 3

SFTP : SSH File Transfer Protocol - Securely transfers files over SSH

Answer 3

22

Question 4

Telnet : Telnet - Unsecured text communication, allows remote login

Answer 4

TCP/23

Question 5

SMTP : Simple Mail Transfer Protocol - Sends emails between servers

Answer 5

TCP/25 (Plain Txt)
TCP/587 (TLS Encryption)

Question 6

DNS : Domain Name System - Translates domain names to IP addresses

Answer 6

UDP/53

Question 7

DHCP : Dynamic Host Configuration Protocol - Automatically assigns IP addresses to devices

Answer 7

67/68

Question 8

TFTP : Trivial File Transfer Protocol - Transfers files without authentication

Answer 8

69

Question 9

HTTP : Hypertext Transfer Protocol - Foundation of data communication for the web

Answer 9

80

Question 10

POP3 : Post Office Protocol version 3 - Retrieves emails from a server to a client

Answer 10

TCP/110
TCP/995

Question 11

NTP : Network Time Protocol - Synchronizes clocks of computer systems

Answer 11

123

Question 12

IMAP : Internet Message Access Protocol - Accesses email messages on a server

Answer 12

143

Question 13

LDAP : Lightweight Directory Access Protocol - Accesses and maintains directory information

Answer 13

389

Question 14

HTTPS : HTTP Secure - Secure version of HTTP

Answer 14

443

Question 15

SMB : Server Message Block - Provides shared access to files and printers

Answer 15

445

Question 16

Syslog : Syslog - Logs system messages

Answer 16

514

Question 17

RDP : Remote Desktop Protocol - Provides a user with a graphical interface to connect to another computer

Answer 17

3389