Community QuestionSeen on 6 CBTs

RDP - Remote Desktop Protocol

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Answer

Protocol used by Microsoft Windows File sharing, printer sharing Also called CIFS (Common Internet File System) Using NetBIOS over TCP/IP udp/137 - NetBIOS name services (nbname) udp/138 - NetBIOS datagram service (nbdatagram) tcp/139 - NetBIOS session service (nbsession) Direct over tcp/445 (NetBIOS-less) Direct SMB communication over TCP without the NetBIOS transport

3 of 6 indexed CBT versions give this answer·Answer index rebuilt Aug 16, 2026

The indexed versions don't agree on this one

This question appears on 6 CBT versions we've indexed, and they don't all give the same answer. Exam editions change and answer keys get re-cut, so more than one of these was correct on the test it came from. Here is each of them, and how many versions give it.

3 of 6 versionsmost versions

Protocol used by Microsoft Windows File sharing, printer sharing Also called CIFS (Common Internet File System) Using NetBIOS over TCP/IP udp/137 - NetBIOS name services (nbname) udp/138 - NetBIOS datagram service (nbdatagram) tcp/139 - NetBIOS session service (nbsession) Direct over tcp/445 (NetBIOS-less) Direct SMB communication over TCP without the NetBIOS transport

Comptia A+ Course Notes · Comptia A+ Notes · Comptia Notes

1 of 6 version

Microsoft's protocol for operating remote connections to a Windows machine (Terminal Services), allowing specified users to log onto the Windows computer over the network and work remotely. The protocol sends screen data from the remote host to the client and transfer mouse and keyboard input from the client to the remote host. It uses TCP port 3389

Comptia Certmaster Practice For Network+

1 of 6 version

Share a desktop from a remote location over tcp/3389 Remote Desktop Services on many Windows versions Can connect to an entire desktop or just an application Clients for Windows, macOS, Linux, Unix, iPhone, Android, and others

Dr Messer Comptia

1 of 6 version

tcp/3389, share a desktop from remote location. client for windows, MacOS, linux, unix, iphone and others

Professor Messer Network Plus

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