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Questions and Answers
Which port is used for the File Transfer Protocol (FTP)?
Which port is used for the File Transfer Protocol (FTP)?
- UDP 53
- TCP 25
- TCP 21 (correct)
- TCP 23
Which protocol is used for remote connections and running processes on target systems?
Which protocol is used for remote connections and running processes on target systems?
- DNS
- FTP
- SMTP
- Telnet (correct)
Which port is used for sending email messages?
Which port is used for sending email messages?
- TCP 25 (correct)
- UDP 53
- TCP 23
- TCP 21
Which port is used for DNS zone transfers?
Which port is used for DNS zone transfers?
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Which protocol and port combination is used for name queries about name-to-IP and IP-to-name mapping?
Which protocol and port combination is used for name queries about name-to-IP and IP-to-name mapping?
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Study Notes
Network Protocols and Ports
- File Transfer Protocol (FTP) uses port 21.
- Secure Shell (SSH) protocol is used for remote connections and running processes on target systems, typically using port 22.
- Simple Mail Transfer Protocol (SMTP) is used for sending email messages, typically using port 25.
- Domain Name System (DNS) uses port 53 for DNS zone transfers.
- DNS also uses port 53 for name queries about name-to-IP and IP-to-name mapping, utilizing the User Datagram Protocol (UDP).
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