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Which of the following ports does not need to be open for NetBIOS to work?
138
136
137
139
NetBIOS provides four distinct services:
Name service for name registration and resolution (port: 137/tcp&udp) Datagram distribution service for connectionless communication (port: 138/udp) Session service for connection-oriented communication (port: 139/tcp)
Based on the correct explanation above port 136 is the correct answer. (not 137) (per Iana.org)4
Fixed answer to 136 based on explanation of correct answer, and research into Ports 137/138 and 139 being used by NetBIOS. If we are supposed to learn that Port 137-139 are use for NetBIOS, then this should be a Multiple Choice (Chose 3) question. Otherwise all I learned is that 136 is not used
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