SY0-301 · Question #196
During a security assessment, an administrator wishes to see which services are running on a remote server. Which of the following should the administrator use?
The correct answer is A. Port scanner. A port scanner (e.g., Nmap) probes a remote host's TCP/UDP ports to determine which ports are open and what services are listening on them. This is the standard tool for remotely enumerating running services without requiring local access. A network sniffer (B) captures packets…
Question
During a security assessment, an administrator wishes to see which services are running on a remote server. Which of the following should the administrator use?
Options
- APort scanner
- BNetwork sniffer
- CProtocol analyzer
- DProcess list
How the community answered
(31 responses)- A90% (28)
- B3% (1)
- D6% (2)
Explanation
A port scanner (e.g., Nmap) probes a remote host's TCP/UDP ports to determine which ports are open and what services are listening on them. This is the standard tool for remotely enumerating running services without requiring local access. A network sniffer (B) captures packets on the network but doesn't actively probe a target for open services. A protocol analyzer (C) inspects captured traffic for protocol-level detail but also doesn't actively probe for services. A process list (D) shows running processes locally on a system - it requires local/authenticated access and cannot be used remotely in the same way a port scanner can.
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