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Free AD0-E716 Exam Braindumps (page: 7)

Page 6 of 18
PDF with 69 Questions

An Adobe Commerce Developer wishes to add an action to a pre-existing route, but does not wish to interfere with the functionality of the actions from the original route.
What must the developer do to ensure that their action works without any side effects in the original module?

  1. In the route declaration, use the before or after parameters to load their module in before or after the original module.
  2. Inject the new action into the standard router constructor's $actiomist parameter.
  3. Add the action into to the controllers/front_name/ in My.Module, Magento will automatically detect and use it.

Answer(s): A

Explanation:

To add an action to a pre-existing route without interfering with the functionality of the original route, the developer must use the before or after parameters in the route declaration. This will load the developer's module in before or after the original module, respectively. For example, the following code would add an action to the my_module/index route before the action from the original module:

<route id="my_module/index">
<before>my_module_before</before>
<action class="MyModule\Controller\Index">
<arguments>
<argument name="context" type="Magento\Framework\App\Action\Context"/> </arguments>
</action>
</route>

The my_module_before action would be executed before the MyModule\Controller\Index action, which would allow the developer to perform any necessary setup before the original action is executed.



An Adobe Commerce developer is asked to change the tracking level on a custom module for free downloading of pdf and images.
The module contains following models:
Vendor\FreeDownload\Model\Download
Vendor\FreeDownload\Model\DownloadPdf extends Vendor\FreeDownload\Model\Download Vendor\FreeDownload\Model\DownloadImage extends Vendor\FreeDownload\Model\Download Download class has a parameter for tracking_level.
How will the developer configure the tracking_level parameter, in di.xml.to have a value of 4 for Download class and all classes that extend Download?




Answer(s): B

Explanation:

To configure the tracking_level parameter in di.xml to have a value of 4 for the Download class and all classes that extend Download, the developer would use the following code:

<config>
<global>
<models>
<Vendor\FreeDownload\Model\Download>
<setting name="tracking_level" value="4"/>
</Vendor\FreeDownload\Model\Download>
<Vendor\FreeDownload\Model\DownloadPdf>
<rewrite name="tracking_level" value="4"/>
</Vendor\FreeDownload\Model\DownloadPdf>

<Vendor\FreeDownload\Model\DownloadImage>
<rewrite name="tracking_level" value="4"/>
</Vendor\FreeDownload\Model\DownloadImage>
</models>
</global>
</config>
The setting element is used to set a configuration value for a specific model. The rewrite element is used to override the default configuration value for a specific model. In this case, the tracking_level parameter is set to 4 for all models that extend Download.



An Adobe Commerce developer is working on a custom gallery extension. The module uses the Magento\catalog\Model\iinageUploader class for image uploading. The admin controller for custom image uploads is
Vendor\CustomGallery\Controller\Adminhtml\Image\Upload. The images need to be stored in different basePath and baseTmpPath than the default ones. How can the default imageuploader class be extended and used without affecting the other modules that are already using it?




Answer(s): B

Explanation:

According to the ImageUploader component guide for Magento 2 developers, the ImageUploader UI component gives users the ability to upload images to the Magento Media Gallery. This component is a variation of the FileUploader component and uses the same configuration settings. The ImageUploader component uses the Magento\catalog\Model\iinageUploader class for image uploading, which has properties such as basePath and baseTmpPath that define where the images are stored. To extend the default imageuploader class and use it without affecting the other modules that are already using it, the developer needs to create a virtual type of this class in their module's di.xml file and specify different values for basePath and baseTmpPath. The developer also needs to inject their virtual type into their admin controller using the imageUploader argument. Therefore, option B is the correct answer, as it shows the correct di.xml and controller code to extend and use the imageuploader class. Verified


Reference:

https://devdocs.magento.com/guides/v2.3/ui_comp_guide/components/image-uploader/



An Adobe Commerce developer has added a new configuration field to the admin are

  1. The path for this option is general/store_information/out_of_hours_phone.
    Keeping simplicity in mind, how would the developer ensure this option contains a valid US telephone number?
  2. Add <validate>phoneUS</validate> to the field in system.xml.
  3. Create a backend model to check the validity of the phone number entered.
  4. Add <validate type="phoneUS"/> to the field in system.xml.

Answer(s): A

Explanation:

According to the Magento Stack Exchange answer, system.xml is a file that defines the configuration fields for the admin area. Each field can have a validate attribute that specifies a validation rule for the field value. Magento provides some built-in validation rules, such as phoneUS, which validates a US telephone number. Therefore, to ensure that the option contains a valid US telephone number, the developer needs to add <validate>phoneUS</validate> to the field in system.xml. Verified


Reference:

https://magento.stackexchange.com/questions/104570/magento-2-system-xml- validation-rules






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