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MB-920 Practice Question: Describe the core capabilities of the finance and operations apps

Exhibit

Refer to the exhibit.

{
  "name": "ContosoCommerce",
  "location": "us",
  "sku": "Premium",
  "channels": ["Online", "Retail store", "Call center"],
  "retailServer": {
    "url": "https://retail.contoso.com",
    "apiVersion": "7.3"
  },
  "paymentConnector": {
    "name": "Adyen",
    "merchantId": "ContosoMerchant"
  }
}

Refer to the exhibit. A company is setting up Dynamics 365 Commerce. They have configured the payment connector as shown. However, online payments are failing. What is the most likely cause?

⚠ Common exam trap

The trap here is that candidates often focus on missing or incorrect configuration values (like URL or merchantId) rather than version compatibility, which is a subtle but critical requirement for payment connector functionality in Dynamics 365 Commerce.

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

The retailServer API version is incompatible

The payment connector configuration requires the retailServer API version to match the version of the Commerce Scale Unit (CSU) that processes the payment. An incompatible API version causes the connector to fail when communicating with the payment gateway, leading to online payment failures. This is the most likely cause because the exhibit shows a retailServer API version that does not align with the deployed CSU version.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

  • The retailServer API version is incompatible

    Why this is correct

    An outdated API version may not support the payment connector.

  • The retailServer URL is missing

    Why it's wrong here

    The URL is provided.

  • The merchantId is incorrect

    Why it's wrong here

    The merchantId is present; incorrectness would cause a different error.

  • The channel list does not include Online

    Why it's wrong here

    The channel list includes Online.

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Written by Johnson Ajibi, MSc IT Security

Senior Network & Security Engineer · founder of Courseiva

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