What type of data can be learned about a server by performing a basic port scan on it with nmap?

What type of data can be learned about a server by performing a basic port scan on it with nmap?
A . list of patches missing from applications
B . misconfigurations of web applications allowing command injection
C . list of all open ports and services that are running
D . list of all systems that the server is communicating with
E . list of users who are logged on to the server

View Answer

Answer: C