technology medium fill in the blank

The pattern that isolates external system interactions for testability is called ________ Pattern.

  1. Events / Messages
  2. Vector
  3. Code / Policy as Code
  4. Adapter / Anti-Corruption Layer

Answer: Adapter / Anti-Corruption Layer

Adapter/ACL patterns wrap external APIs, translating between internal models and external interfaces. Critical for maintainable integrations and testing.

Topic Software Architecture
Exam Relevance Banking, SSC JE, UPSC

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