CompTIA Security+ (SY0-501) — Question 144

A remote intruder wants to take inventory of a network so exploits can be researched. The intruder is looking for information about software versions on the network. Which of the following techniques is the intruder using?

Answer options

Correct answer: A

Explanation

The correct answer is A, as banner grabbing involves collecting information about software versions and services running on networked devices. Port scanning (B) is used to discover open ports but does not specifically target software version details. Packet sniffing (C) captures data packets but may not reveal version-specific information. Virus scanning (D) is focused on detecting malware, not inventorying software versions.