Free Practice Questions for the Salesforce Developers Comm-Dev-101 Exam (2026 Updated)
At Marks4sure, we are dedicated to providing IT professionals with the most accurate and reliable preparation materials for the Salesforce Comm-Dev-101 exam. To support your certification journey, we have made a selection of our premium 2026 Developers practice questions and answers available completely free. You can take this practice test as many times as you need. Every question includes a detailed, expertly verified explanation to ensure you fully grasp the core security concepts before test day.
The developer is asked to enhance the functionality of an existing controller route by adding information to the response ' s viewData.
How should the developer approach this task while following SFRA best practices?
Given a job step configured in the steptype.json that calls a script module, a developer needs to add a custom status code " NO_FILES_FOUND " in the script. The status does not represent an error condition.
Which code snippet completes this requirement?
The client provides the system integrator with translation messages for the newly added " French " ( " fr " ) locale.
What is the correct folder to store the associated.propertiesfiles?
Which method is efficient and scalable because it uses the product search index rather than searching the database?
A merchant has a new requirement to accept American Express credit cards on its Storefront. A credit card payment method already exists.
Which step must a developer take in Business Manager to achieve this?
A developer wants to create a Business Manager extension with the cartridge named plugin_bm_extension.
Which two steps should the developer take for the extension option to show up in Business Manager?
A developer is asked to create a controller endpoint that will be used in a client-side AJAX request. Its purpose is to display updated information to the user when the request is completed, without otherwise modifying the appearance of the current page.
According to SFRA practices, which method best supports this objective?
A developer wants to configure multiple products that should only be sold as a group. It should not be possible for buyers to buy these products individually. How should the developer configure the products?
A developer working on a simple web service integration is asked to add appropriate logging to allow future troubleshooting.
According to logging best practices, which code should the developer write to log when an operation succeeds, but has an unexpected outcome that may produce side effects?
Reference the following code snippets that allow a form to function correctly.
Form definition (newsletter.xml):
< ?xmlversion= " 1.0 " ? >
< formxmlns= " http://www.demandware.com/xml/form/2008-04-19 " >
< fieldformid= " email " label= " Email: " type= " string "
mandatory= " true " max-length= " 50 " / >
< /form >
Controller snippet:
varnewsletterForm=server.forms.getForm( ' newsletter ' );
res.render( ' NewsletterTemplate ' ,{newsletterForm:newsletterForm});
Template snippet:
< form action= " ${URLUtils.url( ' Newsletter-Submit ' )} " method= " POST "
< isprint value= " ${EXPRESSION.attributes} " encoding= " off " / > >
< input type= " input " id= " email "
< isprint value= " ${EXPRESSION.email.attributes} " encoding= " off " / > >
< button type= " submit " > Submit < /button >
< /form >
Which code should a developer insert at the EXPRESSION placeholder in the ISML template snippet above to have the form work as expected?
A developer has the following files in template/resources:
• account.properties - > weight.unit=kilos
• account_en.properties - > weight.unit=stones
• account_en_US.properties - > weight.unit=pounds
Using the default locale configuration, what is the current outcome of the page that renders the account.isml template snippet below when visiting the Storefront with the English for Canada (en_CA) locale?
Your parcel weighs 10 ${Resource.msg( ' weight.unit ' , ' account ' ,null)}.
A developer is tasked with creating a new payment method in Business Manager. What is the first step the developer should take?
A developer needs to implement a new feature that requires the use of a custom attribute. What is the first step the developer should take?
A NewsletterSubscription custom object exists that has a key attribute named email of type String and the following script code.
varCustomObject=
dw.object.CustomObjectMgr.createCustomObject(
' NewsletterSubscription ' ,
newsletterForm.email.value
);
However, the NewsletterSubscription custom object is not persisted. What is a possible reason?
A developer is implementing new Page Designer content on a merchant ' s Storefront and adds the line below to the setupContentSearch function in the searchHelpers.js file.
apiContentSearchModel.setFilteredByFolder(false);
What does this achieve?
There are three logging categories: category1, category1.eu, and category1.us. In Business Manager, category1 is enabled for WARN level and no other categories are configured. All custom log targets are enabled.
The code segment below executes.
varlogger=Logger.getLogger( " loggerFile " , " category1.eu " );
logger.warn( " This is a log message " );
What is the result?
Given a template rendered by a controller with caching and a remote include without caching, which situation applies?
Business Manager has the configuration:
• Active Log category is " root "
• Log level of INFO
The code below executes.
varlog=Logger.getLogger( " products " , " export " );
log.info( " This is important information " );
Using this information, what is the beginning of the filename in which the log will be written?
What is accomplished by the code below?
< isinclude url= " ${URLUtils.url( ' Account-Header ' , ' mobile ' , true)} " / >
A developer is inspecting the weekly service status report for a critical internally-hosted web service and notices there are too many instances of unavailability.
Which solution can reduce service unavailability?
A client has a requirement to render different content on the homepage based on if the customer is logged in or a guest user.
What should a developer implement to achieve this requirement?
A developer has configured the following log levels for categories & sub-categories as:
WARN logging is enabled for " product " and DEBUG for " product.import "
What will be the log level used for various categories and sub-categories?
Screen image with “Active” “Log Category” and “Log Level” along the top. Under the log category are three lines. On the first line, there is an empty log category field. To the right of this empty field is the word “Info” under the log level. On the second line, the word “root” is under the log category and to the right of that is the word “Warn” under the log level. On the third line, a checked box is under “Active” with “myLogCategory” under the “log category” and to the right of that is the word “Info” under the log level. Beneath this information is the header “Custom Log Targets. Under this header is an empty space for an email with the Text “Messages with log level FATAL can be sent to email recipients” Below this is a list of log file to select log levels written to files. The following love levels are selected: “Fatal”, “Error”, and “Warn” and the following log levels are not checked: “Info” and “Debug”
The developer wants to be able to view DEBUG level messages for myLogCategory in the Request Log tool. Given the custom log configurations in the image above, what does the developer need to do to accomplish this?
What is the expected result when extending a route without the middleware chain?
Given a B2C Commerce client with these specifics:
Sells in two different countries: US and IN
Uses only the English language
A developer has a requirement to add a new field to the IN registration form that must not appear in the US one.
Which path should be created to accomplish this requirement?
A developer is tasked with the development of a new Page Designer Page Type, as requested by the merchant. How should they define the rendering logic of the page?
A developer observed a specific issue in production, which they cannot reproduce in other environments. The developer wants to do a hot fix to one of the ISML pages, which uses the < iscache > tag, to see if that resolves the issue. Which consideration must the developer keep in mind while deploying the hot fix in production?
A developer is writing a server side script that needs to maintain state across calls. The persistent information needed includes these items:
• The current customer
• Whether or not the customer is authenticated
• The privacy attributes (such as tracking consent or cookie policy)
Which technique should the developer use to maintain state in an efficient and scalable manner that follows best practice?
Consider the following information:
A merchant has this three-tier category structure setup in the Storefront catalog.
New Arrivals > Women > Clothing
The category named Clothing has all the clothing items for Women and is merchandised.
A Search Refinement named Newness is correctly configured for the Clothing category.
When a merchandiser views the Clothing category, the Search Refinement appears and works as expected. However, the merchandiser does not see the Search Refinement when searching for Clothing via the Storefront search.
Why does the merchandiser not see the Search Refinement?
A developer needs to display a products list of their " Women Dresses " category in a new web application, independent of their main B2C Commerce site. This custom listing page needs to be styled differently from the existing one, as per marketing requirements. Which B2C Commerce tool should the developer use to collect the necessary information?
A developer is asked to write a log containing the ID and name of the product with a variable named myProduct.
Which snippet of code should be used?
What action meets the requirement to show washing instructions for a clothing product?
A controller route in the SFRA base looks as follows:
server.get( ' Show ' ,consentTracking.consent,cache.applyDefaultCache,
function(req,res,next) {
...base code omitted on purpose...
next();
},
pageMetaData.computedPageMetaData
);
In order to extend this route usingprepend(), what should the developer consider?
A developer has custom debug statements in a script, but the messages are not showing up in the Storefront Toolkit Request Log.
Which step needs to be completed to get the messages to appear in the Request Log?
What should a developer do to ensure that the gift vouchers are always available?
A developer has these requirements for out-of-stock products:
• Save the SKUs of the out-of-stock products that the customer is interested in.
• Save the customer email regardless if the customer is a guest or registered.
• Email the customer when the product is back-in-stock.
Which step should the developer perform as part of the solution to achieve the requirements?
A developer needs to show only car accessories when shoppers use the search term " car accessories " and exclude technology accessories and household accessories.
Given the above requirement, what is the recommended approach using the Search Dictionaries Dashboard?
A developer needs to ensure that a specific product is always available for purchase, regardless of inventory levels. What should the developer do in Business Manager?
A developer has a B2C site and a merchant requirement to add a new locale to it.
What are the steps to enable the locale in the Storefront?