Ports And Protocols

Question 1

FTP: File Transfer Protocol- Transfer files with a remote host(typically requires authentication of user credentials)

Answer 1

20 & 21-TCP Port

Question 2

SSH: Secure Shell- Securely connects to a remote host over an unsecured network

Answer 2

22: TCP Port

Question 3

SFTP: Secure FTP- Provides file-transfer service over an SSH connection

Answer 3

22: TCP Port

Question 4

FTPS: FTP Secure- FTP file-transfer service over Secure Socket Layer(SSL) or the more Secure Transport Layer Security(TLS)

Answer 4

989 & 990: TCP Port
989 & 990: UDP Port

Question 5

Telnet- Uses to connect to a remote host (typically via a terminal emulator)

Answer 5

23: TCP Port

Question 6

SMTP: Simple Mail Transfer Protocol- used for sending email

Answer 6

25: TCP Port

Question 7

SMTP over SSL/TLS: Sending email securely using SSL or the more secure TLS

Answer 7

587: TCP Port

Question 8

DNS: Domain Name System- Resolves domain names to corresponding IP addresses

Answer 8

53: TCP
53: UDP

Question 9

TFTP: Trivial File Transfer Protocol- Transfer files with a remote host(doesn’t require authentication of user credentials)

Answer 9

69: UDP

Question 10

DHCP: Dynamic Host Configuration Protocol- Dynamically assigns IP address information (for example, IP address, subnet mask, DNS server’s IP address, and default gateways IP address) to a network device

Answer 10

67: UDP

Question 11

HTTP: Hypertext Transfer Protocol- Retrieves content from web server

Answer 11

80: TCP

Question 12

HTTPS: Hypertext Transfer Protocol Secure- Secure HTTP transmission over an unsecured network using Secure Socket Layer (SSL) or the more secure option of Transport Layer Security (TLS)

Answer 12

443: TCP

Question 13

POP3: Post Office Protocol version 3- Retrieves email from an email server

Answer 13

110: TCP

Question 14

POP3 over SSL/TLS: Retrieves email from an email server while encrypting the email in transit using SSL or the more secure option of TLS

Answer 14

995: TCP
995: UDP

Question 15

NTP: Network Time Protocol- Used by a network device to synchronize its clock with a time server (NTP server)

Answer 15

123: UDP

Question 16

IMAP: Internet Message Access Protocol version 4- Allows the viewing of email on an email server

Answer 16

143: TCP

Question 17

IMAP over SSL/TLS: Allows viewing of email on an email server while encrypting the email in transit using SSL or the more secure option of TLS

Answer 17

993: TCP

Question 18

LDAP: Lightweight Directory Access Protocol- Provides directory services (for example, a user directory–including username, password, email, and phone number information) to network clients

Answer 18

389: TCP

Question 19

LDAP over SSL/TLS: Secures directory services traffic using SSL or the more secure option of TLS

Answer 19

636: TCP

Question 20

SNMP: Simple Network Management Protocol- Used to monitor, manage, and configure network devices. An SNMP agent receives requests on port 1??, and SNMP agents sends traps on port 1??

Answer 20

161 & 162: TCP
161 & 162: UDP

Question 21

RDP: Remote Desktop Protocol- A Microsoft protocol that allows a user to view and control the desktop of a remote computer

Answer 21

3389: TCP

Question 22

SIP: Session Initiation Protocol- A signaling protocol used to setup, monitor, and teardown multimedia calls. Commonly used by VoIP phones(e.g. voice and video calls). Port ???0 is commonly used for unencrypted calls, and port ???1 is commonly used to setup encrypted calls

Answer 22

5060 & 5061: TCP
5060 & 5061: UDP

Question 23

H.323: An ITU-T recommendation that can setup and teardown multimedia calls (e.g. voice and video calls)

Answer 23

1720: TCP

Question 24

SMB: Server Message Block- Used primarily in Microsoft networks for sharing resources (e.g. file resources) between devices

Answer 24

445: UDP

Question 25

SQL Server: Structured Query Language(SQL) Server: Used by Microsoft’s SQL Server Management Studio (SSMS) to manage Microsoft SQL Servers in a network

Answer 25

1433: TCP
1433: UDP

Question 26

SQLnet: Used by Oracle’s Database Management System

Answer 26

1521: TCP

Question 27

MySQL: An open source relational database management system that uses TCP Port ???? to communicate with MySQL clients

Answer 27

3306: TCP