When designing a vulnerability test, which one of the following is likely to give the BEST indication of what components currently operate on the network?
A. Topology diagrams
B. Mapping tools
C. Asset register
D. Ping testing
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I don’t think this question is asking whether or not a device is currently operating or not, in which case D would be correct. Instead, I think it’s asking what would be best indicator of what devices are currently running on the network. If that’s the case, then B would be correct. Nmap is a network mapping tool that can find which devices are running , what ports are open, what OS is running, etc.
https://en.wikipedia.org/wiki/Nmap
B
I think it could be B but D would give you real time if it were on the network. The question does not say anything about a firewall blocking ICMP either.