PORTS

Question 1

RSH

Answer 1

TCP 514 - Remote Shell - Allows commands to be executed on a computer from a remote user

Question 2

SSH

Answer 2

TCP 22 - Secure Shell - used to securely connect to a remote host.

Question 3

Telnet

Answer 3

TCP 23 - Telnet - Used to connect to a remote host (typically through a terminal emulator)

Question 4

DHCP

Answer 4

UDP 67,68 - Dynamic Host Configuration Protocol - Dynamically assigns IP address information to clients (IP, Subnet Masks, DNS IP, Default Gateway)

Question 5

DNS

Answer 5

TCP/UDP 53 - Domain Name Server - Resolves domain names to corresponding IP addresses

Question 6

FTP

Answer 6

TCP 20 and 21 - File Transfer Protocol - Transfers files with a remote host (requires user authentication)

Question 7

H.323

Answer 7

TCP 1720 - A signaling protocol that provides multimedia communications over a network

Question 8

HTTP

Answer 8

TCP 80 - Hypertext Transfer Protocol - retrieves content from a web server

Question 9

HTTPS

Answer 9

TCP 443 - Hypertext Transfer Protocol Secure - used to securely retrieve data on an email server

Question 10

IMAP4

Answer 10

TCP 143 - Internet Message Access Protocol Version 4 - retrieves emails from an email server

Question 11

LDAP

Answer 11

TCP 389 - Lightweight Directory Access Protocol - Provides directory services ( user directory, that includes name, user info, password, email, phone#)

Question 12

MGCP

Answer 12

UDP 2427, 2727 - Media Gateway Control, Protocol - used as to control call and communication protocol for voice over IP networks.

Question 13

LDAPS

Answer 13

TCP 636 - Lightweight Directory Access Protocol over SSH - A secured version of LDAP

Question 14

NETBIOS

Answer 14

TCP 139 - UDP 137,138 - Network Basic Input/Output System - Provides network communication services for LANS that use NetBIOS.

Question 15

NNTP

Answer 15

TCP 119 - Network News Transport Protocol - supports the pasting and reading of articles on Usenet news services

Question 16

NTP

Answer 16

UDP 123 - Network Time Protocol - used by a network device to synchronize its clock with a time server

Question 17

POP3

Answer 17

TCP 110 - Post Office Protocol Version 3 - retrieves emails from an email server

Question 18

RDP

Answer 18

TCP 3389 - Remote Desktop Protocol - a microsoft protocol that allows a user to view and control the desktop of a remote computer

Question 19

RTP

Answer 19

TCP/UDP 5004, 5005 - Real Time Transport Protocol - Used for delivering medi based data (such as voice over IP) through the network

Question 20

RTSP

Answer 20

TCP/UDP 554 - Communicates with a media server (ex. video server) and controls the playback of the servers media files.

Question 21

SCP

Answer 21

TCP 22 - Secure Copy - Provides a secure file transfer service over an SSH connection and offers orginal file info unlike FTP

Question 22

SFTP

Answer 22

TCP 22 - Secure FTP - provides FTP file transfer service over an SSH connection

Question 23

SIP

Answer 23

TCP/UDP 5060, 5061 - Used to create and end session from one or more media connections, including voice over IP calls

Question 24

SMB

Answer 24

TCP 445 - Server Message Block - Used to share files, printers, and other network resources

Question 25

SMTP

Answer 25

TCP 25 - Simple Mail Transfer Protocol - Used for sending emails

Question 26

SNMP

Answer 26

UDP 161 - Simple Network Management Protocol - Used to Monitor and manage network devices

Question 27

SNMP Trap

Answer 27

TCP/UDP 62 - Simple Network Management Protocol Trap - A notification sent from an SNMP agent to a SNMP manager

Question 28

SNTP

Answer 28

UDP 123 - Simple Network Time Protocol - Supports time synchronization among network devices similar to NTP.

Question 29

TFTP

Answer 29

UDP 69 - Trivial File Transfer Protocol - Transfers files with a remote host (does not require authentication of user credentials)