A service provider wants a cost-effective way to rapidly expand from providing internet links to...

Baseline enforcement involves establishing standard configurations and operational baselines that allow a service provider to scale services efficiently while ensuring consistent performance and security. By enforcing baselines, automation can be applied, reducing manual intervention and variability, which supports rapid, cost-effective expansion.

Increasing workforce (B) adds operational cost and may introduce inconsistency. Escalation support (A) is reactive and does not inherently support scaling. Technical debt (D) refers to accumulated suboptimal design or quick fixes that hamper future scalability and is a negative factor.

Baseline enforcement is recognized as a best practice in the Security Program Management domain for scaling services reliably【6:Chapter 16†CompTIA Security+ Study Guide】.