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The correct answer is B.

OBJ-2.3: The nc (netcat) command is useful in conducting banner grabbing. To use netcat for banner grabbing, simply enter “nc -v IP PORT” where IP is the IP address and PORT is the port number of the service being tested. In this scenario, netcat is being used to banner grab the server on port 22, therefore you should expect the result to be a SSH (secure shell) server.

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