Questions and Answers 2024/2025
The default port number for HTTP is:
80
The default port number for HTTPS is:
443
Which port number is used by the File Transfer Protocol (FTP) for data transfer?
20
The control connection for FTP typically uses which port number?
21
Which port number is associated with the Simple Mail Transfer Protocol (SMTP)?
25
What is the default port number for Post Office Protocol version 3 (POP3)?
110
Which port number is used by the Internet Message Access Protocol (IMAP)?
1
, 143
The default port number for the Domain Name System (DNS) is:
53
Which port number is used for Telnet communication?
23
The default port for secure shell (SSH) communication is:
22
Which port number is commonly used for RDP (Remote Desktop Protocol)?
3389
What is the port number for Network Time Protocol (NTP)?
123
Which port is typically associated with the Lightweight Directory Access Protocol (LDAP)?
389
The default port number for the Internet Control Message Protocol (ICMP) is:
ICMP does not use a port number as it operates at the network layer.
2