Rebecca, a security analyst, was auditing the network in her organization. During the scan, she found a service running on a remote host, which helped her to enumerate information related to user…

Rebecca, a security analyst, was auditing the network in her organization. During the scan, she found a service running on a remote host, which helped her to enumerate information related to user accounts, network interfaces, network routing and TCP connections. Which among the following services allowed Rebecca to enumerate the information?