2.1 - Intro to IP and Common Network Ports

Question 1

FTP

Answer 1

File Transfer Protocol

sends/receives files between systems

tcp/20
tcp/21

Question 2

SSH

Answer 2

Secure Shell

Encrypted console access

tcp/22

Question 3

Telnet

Answer 3

Telecommunication Network

Insecure console access

tcp/23

Question 4

RDP

Answer 4

Remote Desktop Protocol

Graphic display of remote devices

tcp/3389

Question 5

LDAP

Answer 5

Lightweight Directory Access Protocol

Directory services

tcp/389

Question 6

SNMP Trap

Answer 6

Simple Network Management Protocol

Receives alerts from network devices

udp/162

Question 7

SNMP Query

Answer 7

Simple Network Management Protocol

Gathers metrics + manages network devices

udp/161

Question 8

SMB

Answer 8

Server Message Block

Windows file transfers + printer sharing

tcp/445

Question 9

NetBIOS Session Service

Answer 9

NetBIOS Session Service

Windows connection-oriented data transfer

tcp/139

Question 10

POP3

Answer 10

Post Office Protocol version 3

Receives email into an email client
Basic mail transfer functionality

tcp/110

Question 11

IMAP4

Answer 11

Internet Message Access Protocol version 4

Email inbox management from multiple clients

Newer email client protocol

tcp/143

Question 12

NetBIOS name services

Answer 12

NetBIOS name services

Register, remove, find windows services by name

udp/137

Question 13

HTTPS

Answer 13

Hypertext Transfer Protocol Secure

Web server communication with encryption

tcp/443

Question 14

HTTP

Answer 14

Hyptertext Transfer Protocol

Web server communication

tcp/80

Question 15

DHCP

Answer 15

Dynamic Host Configuration Protocol

Automates IP address/subnet mask/etc. configuration process

udp/67
udp/68

Question 16

DNS

Answer 16

Domain Name System

Convert domain names to IP addresses

Internet directory

udp/53
tcp/53

Question 17

SMTP

Answer 17

Simple Mail Transfer Protocol

Transfers emails between servers
Sends mail from devices to mail servers

tcp/25