The Invoice Service in an Accounting Firm Is Heavily Reused

question 56

Multiple Choice

The Invoice service in an accounting firm is heavily reused by different service compositions. The owners of the service decide to protect its integrity by disallowing access to any part of its underlying implementation and further want to avoid the risk of having this service create a single point of failure. Which two patterns should they apply in order to accomplish this goal?

• A) Contract Centralization, Decoupled Contract
• B) Domain Inventory, Redundant Implementation
• C) Data Model Transformation, Service Data Replication
• D) Contract Centralization, Redundant Implementation

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Definitions:

Externalizing Behavior

Actions displayed outwardly, often reflecting emotional distress or psychological issues, such as aggression or hyperactivity.

Internalizing Behavior

Behaviors that are directed inward, such as anxiety, depression, and withdrawal, often as a response to external stressors.

Relative Poverty

A condition where people lack the minimum amount of income needed in order to maintain the average standard of living in the society in which they live.

Credit Card Debt

The accumulated unpaid balances owed on credit card accounts.