Protocols and Ports

Question 1

HTTP

Answer 1

Hypertext Transfer Protocol, Web Services TCP:80

Question 2

HTTPS

Answer 2

Hypertext Transfer Protocol, Secure Web Services TCP:443

Question 3

Telnet

Answer 3

Unencrypted method to log onto a remote computer TCP:23

Question 4

SSH

Answer 4

Secure Shell: Encrypted method to log on to a remote computer TCP:22

Question 5

DNS Queries

Answer 5

Domain Name System: Request asking for an IP address associated with a name. UDP:53

Question 6

DHCP

Answer 6

Dynamic Host Configuration Protocol: IP Address Management UDP:67,68

Question 7

FTP

Answer 7

File Transfer Protocol TCP:21,20

Question 8

TFTP

Answer 8

Trivial File Transfer Protocol UDP:69

Question 9

SFTP

Answer 9

SSH File Transfer Protocol, or Secure File Transfer Protocol TCP:22

Question 10

SMTP

Answer 10

Simple Mail Transfer Protocol TCP: 25

Question 11

POP

Answer 11

Post Office Protocol v3 TCP:110

Question 12

IMAP(4)

Answer 12

Internet Message Access Protocol TCP:143

Question 13

SNMP

Answer 13

Simple Network Management Protocol TCP:161

Question 14

RDP

Answer 14

Remote Desktop Protocol TCP:3389

Question 15

NTP

Answer 15

Network Time Protocol UDP:123

Question 16

SIP

Answer 16

Session Initiation Protocol TCP/UDP:5060, TCP:5061

Question 17

SMB

Answer 17

Server Message Block TCP:445

Question 18

LDAP

Answer 18

Lightweight Directory Access Protocol TCP/UDP:389

Question 19

LDAPS

Answer 19

Lightweight Directory Access Protocol over TLS/SSL TCP:636

Question 20

H.323

Answer 20

Protocols for audio and video over networks UDP:1719, TCP:1720 & more