AD0-E720 Premium PDF & Test Engine Files with 52 Questions & Answers [Q16-Q34]

AD0-E720 Premium PDF & Test Engine Files with 52 Questions & Answers

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Adobe AD0-E720 Exam Syllabus Topics:

Topic	Details
Topic 1	Demonstrate the ability to override or extend Magento LESS Demonstrate the ability to utilize layout XML instructions
Topic 2	Demonstrate the ability to style emails Demonstrate the ability to implement and customize LESS library components
Topic 3	Demonstrate the ability to implement different types of mixins Demonstrate the ability to customize Page Builder content
Topic 4	Describe Adobe Commerce theme folder structure and how it relates to folder based themes Demonstrate ability to extend existing themes
Topic 5	Understand the difference between extending merging and overriding XML Demonstrate how to pass and utilize arguments to templates
Topic 6	Distinguish use cases for different JavaScript components Identify the differences between client-side vs server-side compilation and how it works

NEW QUESTION # 16
An Adobe Commerce developer needs to debug an issue, where the path of the block template was invalid and the warning was added to a log file. Which mode are errors only written to a log file and not displayed?

A. developer and default
B. default and production
C. developer only

Answer: B

Explanation:
Explanation
The default and production modes are the modes where errors are only written to a log file and not displayed on the screen. This is done to prevent exposing sensitive information to users and attackers. The default mode is the mode that Adobe Commerce runs in by default if no other mode is specified. The production mode is the mode that Adobe Commerce runs in when it is deployed to a live site. The developer can use the following command to check the current mode:
bin/magento deploy:mode:show
The other two options are incorrect because they display errors on the screen as well as writing them to a log file. The developer mode is the mode that Adobe Commerce runs in when it is under development or testing.
The developer mode enables enhanced debugging and error reporting features. References: Adobe Commerce Developer Documentation, Adobe Inc.

NEW QUESTION # 17
An Adobe Commerce developer needs to improve the time of first render of the pages. How would the developer achieve this?

A. Enable CSS critical path
B. Enable CSS file merging
C. Use the quick static files deployment strategy
D. Enable JavaScript minification

Answer: A

Explanation:
Explanation
CSS critical path is a feature that improves the time of first render of the pages by inlining the CSS rules that are required to render the above-the-fold content of the page. This reduces the number of requests and bytes that need to be downloaded before the page is rendered. CSS critical path can be enabled in the Admin Panel by navigating to Stores > Configuration > Advanced > Developer > CSS Settings and setting Enable CSS Critical Path to Yes. References: Adobe Commerce Developer Documentation, Adobe Inc.

NEW QUESTION # 18
An Adobe Commerce developer wants to create symlinks for the frontend theme named Vendor/Orange using a CSS file: <magento_root>/pub/static/frontend/Vendor/Orange/en_US/css/styles-l.css during development.
Which CLI command would the developer use to create symlinks for the en_US locale?

A. bin/magento deploy:mode:set theme --locale="en_US" --area="frontend" css/styles-1
B. bin/magento dev:theme:deploy --locale="en__US" --theme="Vendor/Orange" css/styles-1
C. bin/magento dev:source-theme:deploy --type=Mless" --locale="en_US" --theme="Vendor/Orange" css/styles-1

Answer: C

Explanation:
Explanation
The bin/magento dev:source-theme:deploy command is used to create symlinks for frontend theme files during development. This command allows the developer to modify source files without running static content deployment every time. The developer can use parameters to specify the type, locale, theme, and file names for creating symlinks. For example, to create symlinks for a CSS file named styles-l.css for the Vendor/Orange theme and the en_US locale, the developer can use:
bin/magento dev:source-theme:deploy --type=less --locale=en_US --theme=Vendor/Orange css/styles-l The other two options are incorrect because they do not create symlinks for frontend theme files. The bin/magento dev:theme:deploy command is used to register themes with Magento and clear caches. The bin/magento deploy:mode:set command is used to change the application mode. References: Adobe Commerce Developer Documentation, Adobe Inc.

NEW QUESTION # 19
The merchant needs to create a new website, and is need modify a template the third party vendor's, because the customer is different. The file is found in a module here: app/code/Vendor/Module Keep it simple in your mind!

A. Create another layout for the new website and configure new file.phtml.
app/code/Vendor/Module/view/frontend/templates/file.phtml
B. Create a new theme, define a new website and customize in app/design.
app/design/frontend/Custom/Theme/Vendor_Module/templates/file.phtml
C. Create a new module for extends layout.xml and include new file.phtml.
app/code/Vendor/Module_Two/view/frontend/templates/file.phtml

Answer: B

Explanation:
Explanation
The best way to customize a template file from a third-party module is to create a new theme that inherits from the parent theme and override the template file in the app/design/frontend/Custom/Theme/Vendor_Module/templates directory. This way, the customization is isolated from the original module and can be applied to a specific website or store view. Creating another layout file or a new module would not be as simple or flexible as creating a new theme. References: Frontend development guide, [Create a theme], [Theme inheritance]

NEW QUESTION # 20
An Adobe Commerce developer wants to override the following Layout XML file in the theme ExampleCorp/orange.
app/design/frontend/ExampleCorp/blank/Vendor_Module/layout/catalog_product_view.xml What path would the developer use inside the layout directory of the theme to override the file?

A. /override/ExampleCorp/blank/catalog_product_view.xml
B. /override/theme/ExampleCorp/blank/catalog_product_view.xml
C. /catalog_product_view.xml

Answer: C

Explanation:
Explanation
To override a layout XML file from a parent theme, the developer just needs to place the modified file in the same path relative to the layout directory of the child theme. In this case, the file would be app/design/frontend/ExampleCorp/orange/Vendor_Module/layout/catalog_product_view.xml. The override directory is not used for overriding layout files, but for overriding templates and web assets. References:
[Layout instructions], [Override templates and layout files]

NEW QUESTION # 21
In which folder can a custom theme favicon be added?

A. <your_theme_dir>/web/
B. <your_theme_dir>/Magento_Theme/web/
C. <your_theme_dir>/assets/images

Answer: B

Explanation:
Explanation
The favicon can be added to the <your_theme_dir>/Magento_Theme/web/ directory of a custom theme. The favicon should have the name favicon.ico and replace the default one from the Magento_Theme module. The
<your_theme_dir>/web/ directory is used for storing web assets that are not specific to any module. The
<your_theme_dir>/assets/images directory does not exist by default and is not used for storing favicons.
References: [Add a favicon], [Theme structure]

NEW QUESTION # 22
An Adobe Commerce developer needs to apply a Knockout binding to show content under certain conditions.
Which two syntaxes would achieve this? (Choose two.)

Answer: A,B

Explanation:
Explanation
Option A and Option C are both valid ways to apply a Knockout binding to show content under certain conditions. Option A uses the visible binding, which sets the display style of the element to none if the value is false. Option C uses the if binding, which removes or inserts the element from the DOM based on the value.
Option B and Option D are incorrect because they use invalid syntax for Knockout bindings. Option B uses a colon instead of an equal sign to assign the value, and Option D uses a single quote instead of a double quote to enclose the value.
https://knockoutjs.com/documentation/binding-syntax.html
https://knockoutjs.com/documentation/binding-context.html

NEW QUESTION # 23
An Adobe Commerce developer created a module called Orange_Customer. In customer information.
Where would the developer place this file?

A. app/code/OrangG/customer/viev^/frontend/web/templates/customer-info.phtml
B. app/code/Orange/Customer/frontend/templates/customer-info.phtml
C. app/code/OrangG/Custon>Gr/viGw/frontGnd/templates/customGr-info.phtml

Answer: C

Explanation:
Explanation
To place a template file for a custom module, the developer should follow this path pattern:
app/code/<Vendor>/<Module>/view/<Area>/templates/<Template>
In this case, the vendor name is Orange, the module name is Customer, the area is frontend, and the template name is customer-info.phtml. Therefore, the correct path is:
app/code/Orange/Customer/view/frontend/templates/customer-info.phtml
The following paths are not correct and will not work:
app/code/Orange/customer/view/frontend/web/templates/customer-info.phtml: This path is incorrect because it uses web instead of templates, which is used for storing web assets like CSS, JS, and images, not template files.
app/code/Orange/Customer/frontend/templates/customer-info.phtml: This path is incorrect because it misses the view directory, which is required for separating frontend and backend templates.

NEW QUESTION # 24
An Adobe Commerce developer needs to pass JSON data to a JavaScript component while keeping XSS prevention strategies in mind.
Which two options would the developer use? (Choose two.)

Answer: A,B

Explanation:
Explanation
To pass JSON data to a JavaScript component while keeping XSS prevention strategies in mind, the developer should use the following options:
Option A: Use the x-magento-init script tag with the data-mage-init attribute and the JSON.parse function to initialize the component with the JSON data. This option is secure because it does not use any HTML tags or attributes that can be exploited by XSS attacks.
Option C: Use the text/x-magento-init script tag with the type attribute and the JSON.parse function to initialize the component with the JSON data. This option is secure because it does not use any HTML tags or attributes that can be exploited by XSS attacks.
The following options are not secure and should not be used:
Option B: Use the script tag with the type attribute and the escapeHtmlAttr function to initialize the component with the JSON data. This option is not secure because it uses the escapeHtmlAttr function, which is meant for escaping HTML attributes, not JSON data. This function can introduce double quotes in the JSON data, which can break the JSON syntax and cause errors.
Option D: Use the script tag with the type attribute and the escapeJsQuote function to initialize the component with the JSON data. This option is not secure because it uses the escapeJsQuote function, which is meant for escaping JavaScript strings, not JSON data. This function can introduce backslashes in the JSON data, which can break the JSON syntax and cause errors.

NEW QUESTION # 25
An Adobe Commerce developer has just installed an extension via composer. When running, bin/magento module: status Vendor_Module, the status is returned as Module is disabled.
Which two CLI commands need to be run to make the extension work properly? (Choose two.)

A. composer update vendor/module
B. bin/magento setup:upgrade
C. composer install
D. bin/magento module:enable Vendor_Module --clear-static-content

Answer: B,D

Explanation:
Explanation
The developer needs to run these two CLI commands to make the extension work properly:
bin/magento module:enable Vendor_Module --clear-static-content This command enables the extension and clears any outdated static files that might interfere with its functionality.
bin

NEW QUESTION # 26
Which two steps are required to delete a manually installed theme? (Choose two.)

A. Disable the theme from the backend admin configuration
B. Remove the theme record from the theme database table
C. Remove the theme using the theme:uninstall CLI command
D. Remove the directory app/design/frontend/<VendorNAME/<ThemeName>

Answer: B,D

Explanation:
Explanation
To delete a manually installed theme, the developer needs to remove the theme directory from the app/design/frontend directory and also delete the corresponding record from the theme table in the database.
The theme:uninstall CLI command is only used for deleting themes thatare installed as Composer packages.
Disabling the theme from the backend admin configuration does not delete the theme files or records, but only makes it unavailable for use. References: [Delete a theme], [theme:uninstall]

NEW QUESTION # 27
Adobe commerce fronted developer needs to speed up the cloud environment deployment process with predefined theme languages for reducing the number of unnecessary themes files.
Which place developer should add language codes?

A. SCD_matrix deploy variable in .magento.env.yaml file
B. scopes section in config.php file
C. relationships property in .magento.app.yaral file

Answer: A

Explanation:
Explanation
The SCD_matrix deploy variable in the .magento.env.yaml file is used to speed up the cloud environment deployment process by specifying the theme languages for each theme. This reduces the number of unnecessary theme files that are generated during the static content deployment. The developer can add the language codes for each theme in the following format:
SCD_MATRIX: <theme>: <languages>
For example, to specify English and French languages for the Vendor/Orange theme, the developer can use:
SCD_MATRIX: Vendor/Orange: en_US,fr_FR
The other two options are incorrect because they are not related to the theme languages or the static content deployment. The relationships property in the .magento.app.yaml file is used to define how services are connected to the application. The scopes section in the config.php file is used to specify the configuration scope of each module. References: Adobe Commerce Developer Documentation, Adobe Inc.

NEW QUESTION # 28
An Adobe Commerce developer wants to determine which template is rendering a specific element on the storefront. Which two methods can they use to turn on template hints? (Choose two.)

A. In the Admin, navigate to Stores > Configuration > Advanced > Developer > Debug.
Set Enabled Template Path Hints for Storefront to Yes
B. In the Admin, navigate to system > Advanced > Template > Developer > Debug.
Set Enabled Template Path Hints for Storefront to Yes
C. On the command line, run the command; php bin/magento dev:template-hints:enable
D. On the command line, run the command; php bin/magento setup:enable-template-hints

Answer: A,C

Explanation:
Explanation
Template hints are a useful tool for frontend developers to determine which template is rendering a specific element on the storefront. Template hints can be turned on using either of these two methods:
In the Admin Panel, navigate to Stores > Configuration > Advanced > Developer > Debug. Set Enabled Template Path Hints for Storefront to Yes On the command line, run the command; php bin/magento dev:template-hints:enable The other two options are incorrect because they do not exist as valid methods to turn on template hints.
References: Adobe Commerce Developer Documentation, Adobe Inc.

NEW QUESTION # 29
an Adobe commerce developer wants to override the core Magento Ul library dropdowns in your theme.
Which is the correct way to achieve this?

A. lib/web/css/source/.dropdowns.less
B. /web/css/source/lib/.dropdowns.less
C. /web/css/source/_dropdowns.less

Answer: C

Explanation:
Explanation
To override the core Magento UI library dropdowns in a custom theme, the developer needs to create a file named _dropdowns.less in the /web/css/source directory of the theme. This file will override the default
_dropdowns.less file from the lib/web/css/source/lib directory and apply the custom styles to the dropdown elements. The lib/web/css/source/_dropdowns.less and /web/css/source/lib/_dropdowns.less files are not valid and will not work, as they do not follow the theme structure or the naming convention. References:
[Dropdowns], [Theme structure]

NEW QUESTION # 30
An Adobe Commerce developer needs to modify the width and height of all product images inside the theme Vendor/theme. What file inside the theme is responsible for these changes?

A. Vendor/theme/etc/view.xml
B. Vendor/theme/etc/theme.xml
C. Vendor/theme/etc/images.xml

Answer: A

Explanation:
Explanation
To modify the width and height of all product images inside a theme, the developer needs to edit the view.xml file inside the etc directory of the theme. The view.xml file contains the configuration for the theme's images, fonts, and layout. The images.xml file does not exist by default and is not used for configuring images. The theme.xml file is used for specifying the parent theme and other metadata of the theme. References:
[view.xml], [theme.xml]

NEW QUESTION # 31
An Adobe Commerce developer needs to add a conditional static note depending on whether the order type is virtual or not. Which option would the developer use to add the conditional text in the email template?

Answer: C

Explanation:
Explanation
Option B is the correct way to add a conditional static note depending on whether the order type is virtual or not in the email template. Option B uses the {{trans}} directive to translate the text and the {{depend}} directive to check the value of the order.is_virtual variable. If the order is virtual, the text "Shipping not required." will be displayed. Option A and Option C are incorrect because they use the wrong syntax for the
{{trans}} and {{depend}} directives. Option A uses curly braces instead of parentheses for the {{trans}} directive and does not use quotes for the text. Option C uses parentheses instead of curly braces for the
{{depend}} directive and does not use a dot to access the order.is_virtual variable.

NEW QUESTION # 32
An Adobe Commerce developer is using a view model within an existing block:

What are two ways to access the view model class in the template? (Choose two.)

A. $block->getData('viewModel)
B. $block->getData('view_model')
C. $block->getViewHodel()
D. $block->viewModel()

Answer: A,B

Explanation:
Explanation
To access a view model within an existing block, the developer can use either of the following ways:
$block->getData('view_model'): This method will return the view model object that is assigned to the argument name "view_model" in the layout XML file. For example:
<referenceBlock name="blog_posts_list"> <arguments> <argument name="view_model" xsi:type="object">ExampleObjectModel/ExampleObjectModel</argument> </arguments> </referenceBlock> In the template file, the developer can access the view model object by using:
$block->getData('view_model')
$block->getData('viewModel'): This method will return the view model object that is assigned to the argument name "viewModel" in the layout XML file. For example:
<referenceBlock name="blog_posts_list"> <arguments> <argument name="viewModel" xsi:type="object">ExampleObjectModel/ExampleObjectModel</argument> </arguments> </referenceBlock> In the template file, the developer can access the view model object by using:
$block->getData('viewModel')
The following methods are not valid and will not work:
$block->viewModel(): This method does not exist and will cause an error.
$block->getViewHodel(): This method is misspelled and will cause an error.

NEW QUESTION # 33
An Adobe Commerce developer needs to alias URLs and third party libraries inside a require js-config.js file.
Which configuration would the developer use?

Answer: C

Explanation:
Explanation
To alias URLs and third party libraries inside a requirejs-config.js file, the developer should use the paths configuration option. This option allows the developer to map module names to URLs or paths relative to the baseUrl. For example:
var config = { paths: { 'jquery': 'https://code.jquery.com/jquery-3.6.0.min', 'custom':
'Vendor_Module/js/custom' } };
This will map the module name 'jquery' to the URL of the jQuery library and the module name 'custom' to the path of the custom module. The developer can then use these module names in other modules or files without specifying the full URL or path.
Option A is not correct because it uses the shim configuration option, which is used to define dependencies and exports for non-AMD modules, not to alias URLs or paths. Option C is not correct because it uses the map configuration option, which is used to map module names to other module names for specific contexts, not to alias URLs or paths. References: [RequireJS configuration], [RequireJS paths]

NEW QUESTION # 34
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