Ports and Protocols

Question 1

Provides insecure file transfers

Answer 1

File Transfer Protocol (FTP) Ports 20,21

Question 2

Provides secure remote control of another machine using a text-based environment

Answer 2

Secure Shell (SSH) Port 22

Question 3

Provides secure file transfers

Answer 3

Secure File Transfer Protocol (SFTP) Port 22

Question 4

Provides the ability to send emails over the network

Answer 4

Simple Mail Transfer Protocol (SMTP) Port 25

Question 5

Converts domain names to IP addresses, and IP address to domain names

Answer 5

Domain Name System (DNS) Port 53

Question 6

Automatically provides network parameters to your clients, such as their assigned IP address, subnet mask, default gateway, and the DNS server they should use

Answer 6

Dynamic Host Control Protocol (DHCP) Ports 67, 68

Question 7

• Used as a lightweight file transfer method for sending configuration files or networking booting of an operating system
  
  • used by network administrators when they send configuration files or when they request configuration files from a router or switch
  • used as a lightweight transfer method

Answer 7

Trivial File Transfer Protocol (TFTP) Ports 69

Question 8

Used for insecure web browsing

Answer 8

Hypertext Transfer Protocol (HTTP) Port 80

Question 9

• used for receiving incoming emails

* uses a store and forward method of communication

Answer 9

Post office Protocol Version Three (POP3) Port 110

Question 10

• Used to keep accurate time for clients on a network

* created in 1985

Answer 10

Network Time Protocol (NTP) Port 123

Question 11

Used for file or printer sharing in a Windows network

Answer 11

NETBIOS – Network Basic Input/Output System Port 139

Question 12

A newer method of retrieving incoming emails which improves upon the older POP3

Answer 12

Internet Mail Application Protocol (IMAP) Port 143

Question 13

Used to collect data about network devices and monitor their status

Answer 13

Simple Network Management Protocol (SNMP) Ports 161, 162

Question 14

Used to provide directory services to your network

Answer 14

Lightweight Directory Access Protocol (LDAP) Port 389

Question 15

Used for secure web browsing

Answer 15

Hypertext Transfer Protocol – Secure (HTTPS) Port 443

Question 16

Used for Windows file and printer sharing services

Answer 16

Service Message Block (SMB) Port 445

Question 17

Used to send logging data back to a centralized server

Answer 17

System Logging Protocol (Syslog) Port 514

Question 18

Secure and encrypted way to send emails

Answer 18

Simple Mail Transfer Protocol Transport Layer Security (SMTP TLS) Port 587

Question 19

Provides secure directory services

Answer 19

Lightweight Directory Access Protocol – Secure (LDAPS) Port 636

Question 20

Secure and encrypted way to receive emails

Answer 20

Internet Message Access Protocol over SSL (IMAP over SSL) port 993

Question 21

Secure and encrypted way to receive emails

Answer 21

Post Office Protocol Version 3 over SSL (POP3 over SSL) Port 995

Question 22

Used for communication from a client to the database engine

Answer 22

Structured Query Language Server Protocol (SQL) Port 1433

Question 23

Used for communication from a client to an Oracle database

Answer 23

SQLnet Protocol Port 1521

Question 24

Used for communication from a client to the MySQL database engine

Answer 24

MySQL Port 3306

Question 25

Provides graphical remote control of another client or server

Answer 25

Remote Desktop Protocol (RDP) Port 3389

Question 26

Used to initiate VolP and video calls

Answer 26

Session Initiation Protocol (SIP) Ports 5060, 5061