Portfolio, technical narrative, and credential selection Make a portfolio repeatable and safe to share. Reviewed: 2026-10-03 Source-based teaching example · Fictional data Narration: Microsoft Mark · locally synthesized 00:00:00.000 — What you will learn Make a portfolio repeatable and safe to share. Visual description: Make a portfolio repeatable and safe to share. 00:00:05.750 — The idea Check the files and their history before sharing. Include run instructions, contributions and known failures. A course certificate and a reproduced exercise show different kinds of evidence. Visual description: Check the files and their history before sharing. Include run instructions, contributions and known failures. A course certificate and a reproduced exercise show different kinds of evidence. 00:00:21.292 — One useful term Repository history. Earlier recorded versions of files, not just the current visible copy. Visual description: Earlier recorded versions of files, not just the current visible copy. 00:00:30.750 — A worked example Riley’s made-up project has an internal-looking hostname in old history. Reviewing only the current README misses it. The exercise practices a release review using invented content. Visual description: Riley’s made-up project has an internal-looking hostname in old history. Reviewing only the current README misses it. The exercise practices a release review using invented content. 00:00:45.625 — Your turn to think Does a clean current page prove there was no sensitive content in history? Pause and decide before continuing. Visual description: Does a clean current page prove there was no sensitive content in history? Pause the video if you need more time. 00:01:03.375 — Why this answer works No. Review the full intended package. Real exposure must follow the authorized incident process, not improvised evidence deletion. Visual description: No. Review the full intended package. Real exposure must follow the authorized incident process, not improvised evidence deletion. 00:01:15.583 — Check 1 Review history as well as current files. Visual description: Review history as well as current files. 00:01:21.125 — Check 2 Test a clean-copy setup. Visual description: Test a clean-copy setup. 00:01:25.917 — Check 3 State what the saved work and credential actually demonstrate. Visual description: State what the saved work and credential actually demonstrate. 00:01:32.500 — Now try a different case Open the lesson and try its different practice case. Use every check in the full task. Watching alone does not mark the lesson complete. Visual description: Open the lesson Try the new case Check and revise The full task and its requirements are in the linked lesson.