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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

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 5

Below is a form definition snippet from the newsletter.xml file:

< ?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 >

Which line of code creates a JSON object to contain the form data?

Options:

A.

server.forms.getForm( ' newsletter ' )

B.

server.form.getForm( ' newsletter ' )

C.

server.forms.getForm( ' dwfrm_newsletter ' )

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Questions 6

Given a sandbox with an active slot configuration with the following specifications:

Content type set to product

With some product configured

With the following rendering template:slots/product/product_1x2.isml

Correctly enabled and scheduled

And given the code contained in the selected rendering template:

< isif condition= " ${!empty(slotcontent)} " >

< isloop iterator= " ${slotcontent.content} " alias= " product " >

< div class= " product " >

< isprint value= " ${product.getID()} " > < br / >

< isprint value= " ${product.getName()} " > < br / >

< /div >

< /isloop >

< /isif >

Is an additional action needed for this to work as intended?

Options:

A.

No - The content slot is rendered correctly.

B.

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

C.

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

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Questions 7

What is the result when the code segment executes with the logger configuration?

Options:

A.

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

B.

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

C.

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

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Questions 8

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 9

Given the sandbox with:

• Service configured and assigned to its profile and credential

• A code version that uses that service

And given the requirement to limit the number of success or error calls the code can perform to a restricted number of calls per second. Which configuration should the developer perform?

Options:

A.

Set the service as limited and change the services profile site preferences with the required values.

B.

Set the rate limiter in the service profile and configure its values with the ones required.

C.

Set a new quota limit for the service profile and assign the service to it.

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Questions 10

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 11

The developer has been given the following business requirement:

The shipping method, " Free Standard Ground Shipping " has an exclusion for products with ' category equals or is child of electronics-televisions. '

The marketing department has scheduled a sale offering a " Free Standard Ground Shipping " method for brand XyzTv televisions for the next 3 months.

What method accomplishes this while following best practices?

Options:

A.

Extend the code in cartridge/models/shipping/shippingMethod.js using module.superModule and add an exception for the specified brand.

B.

Extend the CheckoutShippingServices controller using module.superModule and add an exception for the specified brand.

C.

Create an allow list for the existing shipping method by adding a product exclusion for ' brand equals XyzTv ' to the exclusion list for " Free Standard Ground Shipping. "

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Questions 12

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 13

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 14

A developer is working on a feature that requires the use of a third-party API. What is the best practice for handling API responses in Salesforce B2C Commerce?

Options:

A.

Ignore error responses and proceed with the default behavior.

B.

Log all responses for debugging purposes and handle errors gracefully.

C.

Always return a success response to the user, regardless of the API response.

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Questions 15

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

Options:

A.

Order failure information

B.

Customer ' s password at post-checkout sign up

C.

Transaction ' s credit card information

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Questions 16

A developer is given a task to implement a new Page Designer layout component that doesn ' t accept certain asset components.

How should the developer achieve the above task?

Options:

A.

Add component_type_exclusions in the layout json configuration.

B.

Add component_type_inclusion in the layout json configuration.

C.

Add layout_type_exclusion in the other asset components json configuration.

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Questions 17

To ensure SFRA best practices and protect against request forgery, the developer introduced CSRF token generation in the customer address form.

< form ... action= " submit " >

< input name= " ${dw.web.CSRFProtection.getTokenName()} "

value= " ${dw.web.CSRFProtection.generateToken()} " >

...

< the rest of the Form Fields >

....

< /form >

To implement CSRF protection when the form is submitted, the developer needs to introduce the CSRF validation using one or both of these methods as applicable:

validateRequest

validateAjaxRequest

Where in the code does the developer need to add this CSRF validation check?

Options:

A.

In the middleware chain of the controller post route

B.

In the controller function that displays the form

C.

In the model function that persists the form data

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Questions 18

A developer is given the requirement to add a step to the existing business logic of the registration process.

How should the developer modify the route that handles the customer registration?

Options:

A.

Change the controller route with new functionality.

B.

Copy the code from the original route to a new controller route, and change it.

C.

Extend the route with new functionality.

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Questions 19

A Storefront is designed so that multiple pages share a common header and footer layout.

Which ISML tag should a developer use on the templates for these pages to avoid code repetition in the most effective way?

Options:

A.

< isdecorate > ... < /isdecorate >

B.

< isreplace > ... < /isreplace >

C.

< isinclude > ... < /isinclude >

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Questions 20

Given a NewsletterSubscription custom object that has a key attribute named email of type String, what is the correct syntax to create the NewsletterSubscription custom object?

Options:

A.

varCustomObject=dw.object.CustomObjectMgr.createCustomObject( ' NewsletterSubscription ' ,newsletterForm.email.value);

B.

varCustomObject=dw.object.CustomObjectMgr.createCustomObject(newsletterForm.email.value, ' NewsletterSubscription ' );

C.

varCustomObject=dw.object.CustomObjectMgr.createCustomObject( ' NewsletterSubscription ' , ' email ' ,newsletterForm.email.value);

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Questions 21

A client has three different sites with three locales. Two of the sites share a library and one site has a private library.

What does the shared library allow in this context?

Options:

A.

Sharing content assets between sites

B.

Sharing content slots between sites

C.

Sharing content slots among locales

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Questions 22

A developer is using logging in scripts to troubleshoot an issue. They are using the dw.system.Log class to write to specific log levels and categories. Which log level is always enabled by default?

Options:

A.

FATAL

B.

INFO

C.

ERROR

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Questions 23

Given the requirement to add caching to an existing page while adhering to SFRA best practices, which code snippet should be used?

Options:

A.

server.get( ' Show ' ,cache.applyDefaultCache,function(req,res,next) {// code});

B.

< iscache type= " relative " hour= " 24 " / >

C.

server.get( ' Show ' ,function(req,res,next) {// code}).applyDefaultCache();

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Questions 24

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 25

Given this customer basket information:

• A customer has an existing basket that consists of multiple items.

• One of the items is identified as a gift item by an attribute at the product line item.

• The developer needs to write custom code to fetch the customer basket and then modify the basket based upon the items in the cart. If the basket contains any gift items, modify the basket and create a separate shipment for the gift item.

Four hooks are required to make the modification, beginning with modifyGETResponse and ending with validateBasket.

    dw.ocapi.shop.basket.modifyGETResponse

    -- missing hook --

    -- missing hook --

    dw.ocapi.shop.basket.validateBasket

What are the two missing hooks in the middle?

Options:

A.

dw.ocapi.shop.basket.shipment.beforePOST AND dw.ocapi.shop.basket.shipment.beforePATCH

B.

dw.ocapi.shop.basket.shipment.beforePOST AND dw.ocapi.shop.basket.shipment.beforeDELETE

C.

dw.ocapi.shop.basket.shipment.beforePATCH AND dw.ocapi.shop.basket.shipment.afterDELETE

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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

The developer created a new Storefront category in storefront-catalog-m-en, but when viewing the Storefront site, the category is not visible.

Why might the categories not be visible?

Options:

A.

The category does not contain available products.

B.

The Storefront catalog is offline.

C.

The categories are not sorted.

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Questions 28

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 29

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 30

A developer wants to embed a link to a content page from within the body of another content asset. The target content asset ID is:about-us

Which option represents the correct format to use?

Options:

A.

$url( ' Page-Show ' , ' cid ' , ' about-us ' )$

B.

$url( ' Content-Show ' , ' about-us ' )$

C.

$url( ' Content-Page ' , ' cid ' , ' about-us ' )$

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Questions 31

How might a developer resolve the issue of low-stock items appearing at the top of search results?

Options:

A.

In Business Manager, set an availability low ranking threshold in Search Preferences.

B.

In Business Manager, enter a higher boost factor for availability in Searchable Attributes.

C.

Create a job that sets all unavailable products to be hidden. Schedule the job to run hourly to clean up the catalog on a regular basis.

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Questions 32

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 33

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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Questions 34

A client that sells sport shoes wants to allow its customers to filter products based on the intended activity (such as tennis, jogging, basketball, etc.), but this particular information is not present in the current catalog.

Which two actions does a developer need to perform in a B2C Commerce instance to allow this to happen?

Options:

A.

Create a new Product custom attribute AND add a new Search Refinement Definition for the desired categories.

B.

Create a new ProductRefinement custom attribute AND add a new Search Refinement Definition for the desired categories.

C.

Create a new Product custom attribute AND add a new viewtype in the storefront catalog settings.

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Questions 35

What step must a developer take in Business Manager to accept American Express credit cards?

Options:

A.

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

B.

In Site Preferences, add American Express as a Payment Preference.

C.

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

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Questions 36

Given a site called RefArch with the settings shown, what must be done for RefArch to use the same customer list as RefArchGlobal?

Options:

A.

Import the RefArchGlobal customer list into the RefArch site.

B.

Enable " Customer List Sharing " in Global Preferences.

C.

Select RefArchGlobal in the dropdown for Customer List.

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Questions 37

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 38

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 39

What is the correct format to use for embedding a link to a content page?

Options:

A.

< a href= " ${URLUtils.url( ' Content-Show ' , ' about-us ' )} " > About Us < /a >

B.

< a href= " ${URLUtils.url( ' Page-Show ' , ' cid ' , ' about-us ' )} " > About Us < /a >

C.

< a href= " ${URLUtils.url( ' Content-Page ' , ' cid ' , ' about-us ' )} " > About Us < /a >

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Questions 40

A client has a requirement to allow users on the Storefront to filter by a newly created attribute.

After creating the search refinement, what else is necessary to achieve this?

Options:

A.

Ensure the attribute has data and is indexed.

B.

Set the attribute as Searchable.

C.

Change the productsearchrefinebar.isml template.

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Questions 41

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 42

What should a developer implement to enhance the functionality of an existing controller route?

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 43

Which snippet works correctly when updating the package.json file to point to the hook file for a cartridge?

Options:

A.

{ " hooks " : " ./cartridge/scripts/hooks.json " }

B.

{ " hooks " : " ./scripts/hooks.json " }

C.

{ hooks: " ./cartridge/scripts/hooks.json " }

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Questions 44

Multiple shoppers report slow performance on the Product Details Page.

Which tool can a developer use to view average response times for the Product-Detail controller route?

Options:

A.

Pipeline Profiler

B.

Request Logs

C.

URL Request Analyzer

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Questions 45

A client sells its product in single-brand stores as well as in multi-brand stores. When shown in the store locator list, the client wants the single-brand stores to have a particular background color to highlight them.

Which Business Manager action should be completed to allow the developer to apply different styling to the single-brand stores?

Options:

A.

Add a Boolean custom attribute to the Store system object.

B.

Create a new SingleBrandStore custom object configuration.

C.

Adjust the relevant Site Preference in the Stores group.

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Questions 46

A developer implements the necessary code for a new Page Designer component.

What is the purpose of the JSON metadata definition file the developer creates?

Options:

A.

Defines regions within the component type.

B.

Defines the responsive layout of the rendered template.

C.

Defines the business and rendering logic of the component required by the merchant.

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Exam Code: Comm-Dev-101
Exam Name: Salesforce Certified B2C Commerce Developer
Last Update: Sep 19, 2026
Questions: 154

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