Salesforce MCE-Dev-201 Exam Prep
Salesforce Certified Marketing Cloud Engagement Developer (Page 9 )

Updated On: 27-Sep-2026

A developer receives a 401 Unathorized HTTP status message from a REST API request.
What is the reason for this error?

  1. The account lacks theprivileges necessary to perform the request
  2. The access token was not found in the request, or it is invalid or expired
  3. OAuth is not supported for the requested resource
  4. API requests are temporarily blocked due to too many concurrent requests.

Answer(s): B

Explanation:

A 401 Unauthorized HTTP status message indicates that the request was not authenticated properly. This error commonly occurs when the access token is missing, invalid, or expired.
Access Token Issues: The most common cause of a 401 error in REST API requests is related to the access token. The request must include a valid access token in the authorization header.
Example Authorization Header: Authorization: Bearer YOUR_ACCESS_TOKEN
: Salesforce API Access Tokens



A developer wants to upload a base64-encoded file to Content Builder using an API Installed Package but receives an insufficient Privileges error.
What should the developer check to troubleshoot the error?

  1. Validate Client Id and Client Secret are correct
  2. Verify the Asset Type Id matches the Asset Type Name
  3. Confirm the REST Base URI uses the correct subdomain
  4. Confirm the Component's Channel options are available

Answer(s): A

Explanation:

When receiving an "insufficient Privileges" error while attempting to upload a base64-encoded file to Content Builder using an API Installed Package, the developer should validate the Client Id and Client Secret are correct. These credentials are necessary for authentication and authorization when interacting with Salesforce Marketing Cloud APIs.


Reference:

Salesforce Marketing Cloud API Authentication
Salesforce Marketing Cloud Content Builder API



A developerwants to transform the date and time 'Data_Enrolled' from Daylight Savings time. How would the developer change the time to fall back one hour?

  1. %%=DataAdd(Date_Enrolled, -1)=%%
  2. %%=DateAdd(Date_Enrolled, -1 'H')=%%
  3. %%=DateDiff(Date_Enrolled, 1, 'H')=%%
  4. %%=FormatDate(Date_Enrolled, -1, 'HH', 'en-us')=%%

Answer(s): B

Explanation:

To transform the date and time 'Data_Enrolled' from Daylight Savings time and fall back one hour, the developer should use the following AMPscript function:
%%=DateAdd(Data_Enrolled, -1, 'H')=%%
This function subtracts one hour from the 'Data_Enrolled' date and time.


Reference:

Salesforce Marketing Cloud AMPscript Date Functions
Salesforce Marketing Cloud Documentation



How often should a developer request a new token when making multiple API calls in v1?

  1. When changing routes/objects
  2. Before every new call
  3. Once an hour
  4. Every 15 minutes

Answer(s): C

Explanation:

A developer should request a new token once an hour when making multiple API calls in v1. Salesforce Marketing Cloud access tokens are typically valid for one hour, and refreshing them every hour ensures that the API calls are authenticated.


Reference:

Salesforce Marketing Cloud API Token Management
Salesforce Marketing Cloud Authentication



A developer wants to use the RaiseError Ampscript function when a subscriber does not have the necessary data to build an email.
Which two outcomes are possible using this function? Choose 2 answer

  1. The send fails
  2. The email is not sent to the particular subscriber
  3. An error message is sent to the From Address used in the email
  4. The send is retried

Answer(s): A,B

Explanation:

Using the RaiseError AMPscript function allows a developer to handle errors when necessary data for building an email is missing. The possible outcomes of using this function include:
The send fails (A) - The entire email send can be stopped if a critical error is encountered.
The email is not sent to the particular subscriber (B) - The send can be aborted for specific subscribers who do not have the necessary data.


Reference:

Salesforce Marketing Cloud AMPscript RaiseError Function
Salesforce Marketing Cloud Documentation



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