Microsoft Ads Asset-Level Disapprovals: What Marketers Must Know
2 Dec 2025
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Design & Architecture
Describe the core principle of Hexagonal Architecture (Ports and Adapters). Explain how this design protects the core business logic from being dependent on external technologies (e.g., database type, UI framework).
Describe the intent of the Broker Architectural Pattern. Provide an example of how this pattern is used to structure distributed systems by decoupling service consumers and service providers.
Explain the Dependency Inversion Principle (DIP) (the 'D' in SOLID). Provide a simple, high-level example of how DIP is violated and how it can be corrected using interfaces or abstract classes to achieve decoupling.
Compare the Microservices Architecture pattern with the Monolithic Architecture pattern. Identify one core advantage and one core disadvantage of the Microservices approach specifically in terms of deployment complexity and team autonomy.
Describe the intent and structure of the Observer Design Pattern. Provide a scenario in a GUI application (e.g., monitoring a button click) where this pattern is the most appropriate way to manage state changes and updates.
Design a classic Three-Tier Architecture for an online ticketing system. Label the three tiers (Presentation, Application, Data) and specify 3 core responsibilities that reside within the Application (Business Logic) Tier.
Describe the problem solved by the Command Design Pattern. Provide an example use case in an application (e.g., undo/redo functionality) where encapsulating a request as an object is beneficial.
Describe the primary characteristic of a Microkernel Architecture in software design. List one advantage it offers over a monolithic design in terms of fault tolerance and extension.
Describe the intent and structure of the Facade Design Pattern. Provide an example of how a Facade simplifies the use of a complex, interconnected sub-system (e.g., a banking API) for a client application.
Describe the separation of responsibilities within the Model-View-Controller (MVC) architectural pattern. Specify the role of the Controller in handling user input and mediating between the other two components.
Describe the intent of the Factory Method Design Pattern. Provide a scenario where this pattern is used to delegate object creation, allowing client code to create objects without knowing their specific class.
Describe the problem solved by the Adapter Design Pattern. Provide an example of its use (e.g., integrating a legacy API) where the pattern allows two incompatible interfaces to work together.
Describe the intent of the Circuit Breaker Pattern (as a design pattern). Detail its three states (Closed, Open, Half-Open) and explain how it differs from a simple timeout in handling service failures.
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