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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.

Questions 4

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?

Options:

A.

Use the " append " method of the server module for the existing route.

B.

Replace the callback function of the existing route using superModule.

C.

Use the " extend " method of the server module for the existing route.

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Questions 5

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?

Options:

A.

this.status= ' NO_FILES_FOUND ' ;returnthis;

B.

varStatus=require( ' dw/system/Status ' );returnnewStatus(Status.OK, ' NO_FILES_FOUND ' );

C.

varstatus={success: ' OK ' ,message: ' NO_FILES_FOUND ' };returnstatus;

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Questions 6

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?

Options:

A.

cartridge/templates/resources

B.

cartridge/resources

C.

cartridge/templates/resources/fr

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Questions 7

Which method is efficient and scalable because it uses the product search index rather than searching the database?

Options:

A.

ProductAvailabilityModel.isOrderable()

B.

ProductIndexModel.getOrderableProductsOnly()

C.

ProductSearchModel().getProductSearchHits()

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Questions 8

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?

Options:

A.

In Payment Methods, enable American Express as a credit card type.

B.

In Payment Processor, create American Express as a payment type.

C.

Add American Express as a Payment Preference in Site Preferences.

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Questions 9

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?

Options:

A.

Add custom_bm_extension to the cartridge path under business manager cartridge site path AND add the appropriate roles and permissions to the user to view the business manager extension.

B.

Add custom_bm_extension to the cartridge path under Storefront cartridge site path AND add plugin_bm_extension to the cartridge path under business manager cartridge site path.

C.

Add the appropriate roles and permissions to the user to view the business manager extension AND activate a new code version for the Business Manager site.

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Questions 10

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?

Options:

A.

res.json()

B.

res.render()

C.

res.print()

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Questions 11

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?

Options:

A.

Bundle

B.

Set

C.

Variation Group

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Questions 12

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?

Options:

A.

Logger.warn( ' Unexpected service response. ' )

B.

Logger.debug( ' Unexpected service response. ' )

C.

Logger.error( ' Unexpected service response. ' )

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Questions 13

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?

Options:

A.

pdict.newsletterForm

B.

pdict.newsletter

C.

newsletterForm

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Questions 14

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)}.

Options:

A.

Your parcel weighs 10 pounds.

B.

Your parcel weighs 10 stones.

C.

Your parcel weighs 10 account.

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Questions 15

A developer is tasked with creating a new payment method in Business Manager. What is the first step the developer should take?

Options:

A.

Create a new payment processor.

B.

Create a new payment method.

C.

Configure the payment method settings.

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Questions 16

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?

Options:

A.

Create the custom attribute in Business Manager.

B.

Define the custom attribute in the code.

C.

Write the logic to handle the custom attribute.

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Questions 17

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?

Options:

A.

The code shown needs to be wrapped in a transaction.

B.

The code shown needs to be wrapped in a try/catch block.

C.

The code shown is the wrong syntax. The correct syntax is:varCustomObject=dw.object.CustomObjectMgr.createCustomObject( ' NewsletterSubscription ' , ' email ' ,newsletterForm.email.value);

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Questions 18

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?

Options:

A.

Enables searching to find Page Designer content assets that are not in folders.

B.

Extends the ContentSearchModel to allow the folder filter.

C.

Prevents Page Designer pages and components from being searchable.

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Questions 19

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?

Options:

A.

Logs will be written to the log file with a prefix loggerFile.

B.

Logs will be written to the log file with a prefix custom-loggerFile.

C.

Logs will be written to the log file with a prefix customwarn.

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Questions 20

Given a template rendered by a controller with caching and a remote include without caching, which situation applies?

Options:

A.

The remote include portion is not cached, but the rest of the page is cached.

B.

The page is not cached because the remote include introduces an uncached portion.

C.

The page is cached only for returning customers because of the remote include.

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Questions 21

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?

Options:

A.

products

B.

custom-products

C.

custom-export

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Questions 22

What is accomplished by the code below?

< isinclude url= " ${URLUtils.url( ' Account-Header ' , ' mobile ' , true)} " / >

Options:

A.

Performs a remote include from the Account-Header endpoint.

B.

Performs a local include from the Account-Header endpoint.

C.

Creates a link to the Account-Header endpoint that allows mobile navigation.

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Questions 23

Which item is appropriate content for custom logs implemented at checkout?

Options:

A.

Payment gateway service response code

B.

Customer ' s password at post-checkout sign up

C.

Transaction ' s credit card information

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Questions 24

What is the action needed for the content slot to work as intended?

Options:

A.

No; The content slot is rendered correctly.

B.

Yes; The content needs to be configured with a recommender to display products.

C.

Yes; The isloop should be removed because no loops are allowed in a content slot rendering template.

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Questions 25

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?

Options:

A.

Increase the web service time out.

B.

Change the code that sets the throwOnError attribute of the service to be true.

C.

Modify the code that makes the request to the external service to be wrapped in a try/catch block.

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Questions 26

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?

Options:

A.

Set the Content Slot configuration so it is based on the system customer group registered, versus unregistered.

B.

Set the Content Asset configuration for a customer that is a registered, versus unregistered, user.

C.

Write specific custom code in the Content Asset for a customer that is a registered, versus unregistered, user.

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Questions 27

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?

Options:

A.

WARN and ERROR are logged for " product " and all its subcategories. For the subcategory " product.import " DEBUG and INFO are also logged.

B.

WARN and ERROR are logged for " product " and all its subcategories. For the subcategory " product.import " DEBUG and INFO are not logged.

C.

WARN and ERROR are logged for " product " and all its subcategories.

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Questions 28

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?

Options:

A.

Change the Log Level for myLogCategory to DEBUG.

B.

Check the DEBUG box in the Log Files section.

C.

Change the Log Level for myLogCategory to DEBUG and check the DEBUG box in the Log Files section.

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Questions 29

What is the expected result when extending a route without the middleware chain?

Options:

A.

The base code executes and then the custom code executes.

B.

A RunTime error is thrown, " Error: Params do not match route " .

C.

The custom code executes and then the base code executes.

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Questions 30

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?

Options:

A.

cartridge/forms/en_IN/profile.xml

B.

cartridge/forms/profile_en_IN.xml

C.

cartridge/forms/profile_in.xml

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Questions 31

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?

Options:

A.

Implement a JavaScript file with a render() function.

B.

Implement a metadata JSON file with a " render " property.

C.

Implement a Controller file with a " render " route.

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Questions 32

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?

Options:

A.

It will be required to invalidate the cache for the hot fix.

B.

If the page has multiple tags, the highest cache duration will be used in production to determine the resulting page ' s caching behavior.

C.

The TTL cache setting only affects static content and not the page cache, which could potentially cause the production issue.

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Questions 33

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?

Options:

A.

Use a client-side cookie to store the information for the session duration.

B.

Use the Session class, and its additional class references and attributes, in the B2C Commerce API.

C.

Use an SFRA controller. Because it runs server-side, the state is automatically maintained.

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Questions 34

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?

Options:

A.

The Search Refinement definition is not set up for the Women category.

B.

The Search Refinement definition is not set up for the Root category.

C.

There are conflicting Search Refinement definitions for Clothing and one of its parent categories.

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Questions 35

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?

Options:

A.

The ProductSearch resource of the Shop OCAPI.

B.

The Search-Show Controller URL to perform a web crawl.

C.

The existing category ' s endpoint to perform a REST call.

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Questions 36

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?

Options:

A.

Logger.warn( ' The current product is {0} with name {1} ' ,myProduct.getID(),myProduct.getName());

B.

Logger.warn( ' The current product is ${myProduct.getID()} with name ${myProduct.getName()} ' );

C.

Logger.warn( ' The current product is {0} with name {1} ' ).context(myProduct.getID(),myProduct.getName());

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Questions 37

What action meets the requirement to show washing instructions for a clothing product?

Options:

A.

Add a resource file for every locale for which the attribute needs to be translated.

B.

Create a custom attribute on the product system object and set it as localizable.

C.

Set the product system object type as localizable.

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Questions 38

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?

Options:

A.

Specify any middleware functions needed for the new functionality.

B.

Specify any middleware functions needed for the new functionality using only those called by the base route.

C.

Removenext();on the new route so only the route ' s middleware functions execute.

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Questions 39

Which of these situations is an appropriate use of the B2C Commerce OCAPIs?

Options:

A.

Updating inventory information from a warehouse management software.

B.

Extending System Object Type definitions with new attributes.

C.

Showing the customer ' s information in their B2C Commerce " My Account " page.

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Questions 40

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?

Options:

A.

In Site Preferences, check the box for Enable custom logging in Request Log.

B.

In Custom Log Settings, activate the logging category at DEBUG level.

C.

In Global Preferences, check the box for Enable custom logging in Request Log.

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Questions 41

What should a developer do to ensure that the gift vouchers are always available?

Options:

A.

Manually set the inventory to a high number.

B.

Set StockLevel = maxAllocation for the product.

C.

Check the perpetual flag in the product inventory record.

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Questions 42

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?

Options:

A.

Create a new set-of-string type custom attribute to the system object type Profile to save all the SKUs and use the existing email field for the email.

B.

Create a new set-of-string type custom attribute to the system object type Product to save all the customer email addresses for back-in-stock notification.

C.

Create a new custom object type that has a set-of-string type custom attribute for the SKUs and a string for the email field.

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Questions 43

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?

Options:

A.

Create a Synonym Dictionary entry: car accessories, household, technology. Use search mode First Word.

B.

Create a Common Phrase Dictionary entry: car accessories. Use search mode Exact Match.

C.

Create a Common Phrase Dictionary entry: car accessories, NOT household, NOT technology. Use search mode Exact Match.

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Questions 44

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?

Options:

A.

Set the product to " Always Available. "

B.

Set the product ' s inventory to a high number.

C.

Enable the " Perpetual " flag for the product.

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Questions 45

What code should the developer write to log an unexpected service response?

Options:

A.

Logger.warn( ' Unexpected service response. ' )

B.

Logger.debug( ' Unexpected service response. ' )

C.

Logger.error( ' Unexpected service response. ' )

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Questions 46

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?

Options:

A.

Create and configure the locale under Global Preferences section and activate it in Site Preferences.

B.

Create, configure, and activate the locale under Global Preferences section.

C.

Add an alias for the new locale and then create and configure the locale itself under Global Preferences section.

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Exam Code: Comm-Dev-101
Exam Name: Salesforce Certified B2C Commerce Developer
Last Update: Nov 1, 2026
Questions: 154

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