How can you ensure reproducible results across repeated runs by using Nmap's and Zenmap's features?

• A. Save and reuse profiles with consistent options and use -oA for reproducible results.
• B. Always change the scan options to prevent caching.
• C. Disable all scripts.
• D. Use -sS only.

Answer: (A)

Reproducibility comes from locking in the exact scan setup and saving the results in a stable, shareable form. Saving and reusing a Zenmap/Nmap profile keeps the same options every run—targets, port ranges, timing, and any NSE scripts—so the scan configuration isn’t re-created from memory or typed differently each time. Using the -oA option writes the results to a base filename in three formats (normal, XML, and grepable), giving a consistent, paired set of data files you can store, compare, and reuse in automation. With both of these in place, repeated runs are driven by the same configuration and produce the same structured outputs, which is what you need for reliable replication and analysis. The other options don’t provide both a fixed configuration and a uniform output set, so they don’t support reproducibility as effectively.