Which port does the Internet Printing Protocol (IPP) listen on by default?

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Multiple Choice

Which port does the Internet Printing Protocol (IPP) listen on by default?

Explanation:
IPP is designed to transport print Job data over HTTP, which standardizes how requests are sent to a printer over the network. The default listening port for IPP is TCP port 631, so printers and print servers typically expose IPP on this port unless configured otherwise. This port choice aligns IPP with HTTP traffic while keeping printing services distinct from other protocols that use different common ports. The other numbers correspond to different printing services: 9100 is commonly used for raw printing with JetDirect, 445 is used for SMB/Windows sharing, and 515 is the traditional LPD port. So the standard default for IPP is port 631.

IPP is designed to transport print Job data over HTTP, which standardizes how requests are sent to a printer over the network. The default listening port for IPP is TCP port 631, so printers and print servers typically expose IPP on this port unless configured otherwise. This port choice aligns IPP with HTTP traffic while keeping printing services distinct from other protocols that use different common ports. The other numbers correspond to different printing services: 9100 is commonly used for raw printing with JetDirect, 445 is used for SMB/Windows sharing, and 515 is the traditional LPD port. So the standard default for IPP is port 631.

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