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OutSystems Architecture-Specialist-11 Exam - Topic 2 Question 50 Discussion

Which of the below matches the most to Core Module Pattern - ECS with Local Replica Pattern...
G) ... 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
H) ... is needed if data is coming from MULTIPLE external systems. IS will decide which driver to use depending on the data.
A) ... Entity is not in Outsystems but in an external ERP system. IS just makes remote call to p 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
F) 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
E) ... Entity is exposed as read-only and API is available to centralize business logic for entity creation/update
C) ... 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
B) ... is a pattern with two modules, a connector module that can be used to encapsulate an O external API with the input/output structures and a wrapper module to expose the normalized API to the consumers. p 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)
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)

OutSystems Architecture-Specialist-11 Exam - Topic 2 Question 50 Discussion

Actual exam question for OutSystems's Architecture-Specialist-11 exam
Question #: 50
Topic #: 2
[All Architecture-Specialist-11 Questions]

Which of the below matches the most to Core Module Pattern - ECS with Local Replica Pattern...

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Suggested Answer: G

by Malinda at Jan 28, 2026, 01:33 PM

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Jessenia
28 days ago
Local Replica Pattern helps with data consistency, right?
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Novella
1 month ago
I thought ECS was more about event-driven systems?
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Domingo
1 month ago
Totally agree, it's all about modular design!
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Casie
1 month ago
The Core Module Pattern focuses on reusability.
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Jacquelyne
2 months ago
The Core Module Pattern - ECS with Local Replica Pattern is like a secret handshake for the tech elite. If you don't know it, you might as well just give up now.
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Marjory
2 months ago
This question is so easy, my grandma could answer it. And she's been dead for 10 years!
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Fidelia
2 months ago
This question is a piece of cake! The answer is obviously D. Anyone who says otherwise is just trying to show off.
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Latia
2 months ago
Option B is the clear winner here. It's the most comprehensive and aligns perfectly with the Core Module Pattern - ECS with Local Replica Pattern.
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Georgeanna
2 months ago
I think the answer is option C. It just makes the most sense in terms of the pattern description.
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Makeda
2 months ago
The Core Module Pattern - ECS with Local Replica Pattern is definitely the way to go. It's like a Swiss Army knife for your application!
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Noelia
3 months ago
I feel like the Core Module Pattern focuses on modularity, but I need to double-check how that interacts with ECS.
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Jacki
3 months ago
If I remember correctly, the Local Replica Pattern is about data consistency, but I'm a bit confused on how that ties into the Core Module.
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Valentine
4 months ago
I remember practicing a similar question where we had to match patterns, but I can't recall the specifics about ECS.
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Layla
4 months ago
I think the Core Module Pattern relates to how we structure our code, but I'm not entirely sure how it connects with the Local Replica Pattern.
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Sharee
4 months ago
Okay, I know I covered this material in class. Time to recall the definitions and see which one best matches the Core Module Pattern - ECS with Local Replica Pattern. Gotta stay calm and think it through.
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Nathalie
4 months ago
Ugh, design patterns can be so confusing sometimes. I'll just try to remember the main components of each and see if I can find any overlaps. Fingers crossed!
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Gail
4 months ago
Alright, time to put my design pattern knowledge to the test. Let me break down the question and think through the similarities between the two patterns. I've got this!
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Billye
4 months ago
Hmm, this seems like a tricky one. I'll need to carefully consider the key characteristics of the Core Module Pattern and how they relate to the ECS with Local Replica Pattern. Gotta stay focused!
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Iesha
5 months ago
I think I've seen this pattern before, but I'm not totally sure how to approach it. I'll need to review my notes on ECS and local replica patterns.
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