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N10-009 · Question #128

A user notifies a network administrator about losing access to a remote file server. The network administrator is able to ping the server and verifies the current firewall rules do not block access…

The correct answer is B. Nmap. Nmap (Network Mapper) is a powerful network scanning tool used to discover hosts and services on a computer network. It can be used to identify which ports are open on a remote server, which can help diagnose access issues to services like a remote file server. Port Scanning…

Submitted by dimitri_ru· Mar 6, 2026Network Troubleshooting

Question

A user notifies a network administrator about losing access to a remote file server. The network administrator is able to ping the server and verifies the current firewall rules do not block access to the network fileshare. Which of the following tools wold help identify which ports are open on the remote file server?

Options

  • ADig
  • BNmap
  • CTracert
  • Dnslookup

How the community answered

(32 responses)
  • A
    6% (2)
  • B
    72% (23)
  • C
    19% (6)
  • D
    3% (1)

Explanation

Nmap (Network Mapper) is a powerful network scanning tool used to discover hosts and services on a computer network. It can be used to identify which ports are open on a remote server, which can help diagnose access issues to services like a remote file server. Port Scanning: Nmap can perform comprehensive port scans to determine which ports are open and what services are running on those ports. Network Discovery: It provides detailed information about the host's operating system, service versions, and network configuration. Security Audits: Besides troubleshooting, Nmap is also used for security auditing and identifying potential vulnerabilities.

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