OutSystems Architecture-Specialist-11

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OutSystems Architecture Specialist (OutSystems 11) 認定 Architecture-Specialist-11 試験問題:

1. What is NOT a best practice for Mobile Application Architecture: transactions & granularity?

A) Have long synchronizations in a single transaction. Better UX as app does not need to sync all the time. Is prepared for constant offline or device standby
B) Ensure order and sync granularity. Sync incrementally by entity with partial commit. This way O synchronizations is prepared for constant interruptions and allow retries without repeating the entire synchronization from the start.

2. _Eng module is for

A) A BL becomes a Calculation Engine if it performs complex calculations, (e.g. an invoice calculation engine or an insurance simulator). Engines are usually subject to versions.
B) Logic to Synchronize data in CS's with an external system. Isolating this logic makes the CS completely system agnostic and it's easier to decouple or replace the external system.
C) Isolated Business Logic (Actions) or Core Widgets (blocks), to manage complexity, compositio or to have its own lifecycle.
D) Technical wrapper to expose an API to External consumers, keeping core services system agnostic and supporting multiple versions of the API.
E) Reusable Core Services with public entities, actions, and blocks.

3. The Architecture Canvas is a ...

A) framework to support Architecture Conventions for Modules in Outsystems
B) framework to support Architecture Design Process in Outsystems
C) framework to support application architecture design in Outsystems

4. Which of the below matches the most to Core Module Pattern - Base ECS Pattern...

A) ... tries to fetch data from local cache entity, if not there, get single entry from the external system. Cache only that record (read-through caching) Use when whole database too big or costly to synchronize. Integration only touches a small portion of the database. Avoid if access to lists of data is needed up front
B) Same as Base ECS pattern, but have a local replica. Store data to serve as a local cache. Pro: Leverage Entity Use, Simpler Integration API. Con: Less impact on source system
C) ... Entity is exposed as read-only and API is available to centralize business logic for entity creation/update
D) ... caches only summary data that is frequently lister, joined or searched. Full detail for a single entry is fetched directly from external system. Use when whole database too big or costly to synchronize. Details are only required for single entities (not lists)
E) ... is a pattern with two modules, a connector module that can be used to encapsulate an external API with the input/output structures and a wrapper module to expose the normalized API to the consumers.
F) ... is needed if data is coming from MULTIPLE external systems. IS will decide which driver to use depending on the data.
G) ... a wrapper used to contain the logic, actions and data that will expose code that is inside of external library or to inspect external database and import the data structures so they can be used as entities inside of OS
H) Same as ECS with local replica but synchronization logic is separated. Pro: Code independence. Consumers of CS is not affected by Sync. Sync can orchestrate several CS
I) Same as ECS with local replica but API module is provided. So any changes to the external system can notify OS, which OS then gets update from the ERP system (subscription system)
J) ... Entity is not in Outsystems but in an external ERP system. IS just makes remote call to external system/database. No data is being kept inside OS. Data retrieval may not be optimized as it needs to traverse two different systems to get the information back. Con: Integration API must support all use cases

5. Adopting a naming convention can have some benefits. Of the sentences below, which one is NOT a benefit of adopting a naming convention?

A) Reveal the nature of each Module.
B) Normalize patterns.
C) Enforce the reference architecture.
D) Avoid error codes.

質問と回答：