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MB-920 Practice Question: A retail company is planning to expand its online…
A retail company is planning to expand its online presence and wants to use Dynamics 365 Commerce to build a new e-commerce site. They need to ensure that the site can handle high traffic during promotional events and that product catalog updates are reflected quickly. What should they consider?
⚠ Common exam trap
Candidates often think disabling caching ensures fresh data (Option B), but in high-traffic scenarios, caching with proper invalidation (e.g., using cache tags or TTLs) is essential for both performance and data freshness.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use a content delivery network (CDN) and optimize catalog synchronization.
Using a Content Delivery Network (CDN) caches static assets (images, scripts, CSS) at edge nodes, reducing load on the origin server during high-traffic promotional events. Optimizing catalog synchronization (e.g., using incremental syncs and the Commerce Data Exchange) ensures product updates are reflected quickly without full re-indexing, maintaining performance and data freshness.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Increase the size of the channel database.
Why it's wrong here
Database size is not the primary factor for traffic handling or update speed.
- ✗
Disable caching for product pages to ensure fresh data.
Why it's wrong here
Disabling caching would degrade performance.
- ✓
Use a content delivery network (CDN) and optimize catalog synchronization.
Why this is correct
CDN helps with traffic, and optimizing sync ensures quick updates.
- ✗
Limit the number of products in the catalog.
Why it's wrong here
Limiting products is not a scalable solution.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This MB-920 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the MB-920 exam.