Two Salesforce Developers work for a B2B advertising publishing company.

To prevent the overwriting of components during migrations and ensure consistency across development environments, a consultant should recommend using a Version Control System (B). Version control allows developers to track and manage changes to code, enabling collaboration while preserving the history of modifications. It prevents conflicts like those experienced by Developers A and B by providing mechanisms to merge changes and resolve conflicts systematically.References:

https://developer.salesforce.com/docs/atlas.en-us.sfdx_dev.meta/sfdx_dev/sfdx_dev_intro.htm

https://help.salesforce.com/articleView?id=sf.dx_get_started.htm