Which concept focuses on a collaborative exchange of competencies for the mutual benefit of the organizations involved?

An organization has a large and complex infrastructure which often leads to incidents that impact users.

Which is the BEST technique to use to improve this situation?

Which is the BEST example of how the 'infrastructure and platform management' practice uses the version control technique?

A newly-formed site reliability engineering (SRE) team is focused on increasing the resilience of IT systems. The team is investigating tooling options that can be used to diagnose issues and automate operational responses.

Which practice would BEST help this team?

Which concept would MOST help to ensure that information needed to identify problems is available?