The correct option is Go to the Insights tab in the repository and choose Pulse.

This view is part of repository insights and is opened from the repository's Insights tab. From there you select Pulse to see a summary of recent commits and pull requests along with other activity for a chosen time period.

Open the Code tab in the repository and select Pulse from the file browser is incorrect. The Code tab focuses on browsing files and source history and it does not provide this activity summary view.

Open Settings for the repository and enable Pulse to make it visible is incorrect. There is no feature toggle for this view in Settings and nothing needs to be enabled to access it.

Navigate to the Actions tab and pick Pulse from the workflow list is incorrect. The Actions tab is dedicated to workflows and automation and it does not contain this activity view.

Full AWS Practitioner Certification Question