Adobe AD0-E720 Adobe Commerce Front-End Developer Expert Exam Practice Test

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Total 50 questions
Question 1

An Adobe Commerce developer is working on a custom knockout Ul component and they need to add the text Happy Birthday. to be translated inside an .html template.

How would the developer add the text?



Answer : B

To add the text Happy Birthday. to be translated inside an .html template, the developer should use the i18n binding. This binding allows the developer to specify the text as a string literal and translate it using the Magento translation mechanism. For example:

<span data-bind=''i18n: 'Happy Birthday.'''></span>

This will render the text as it is, or translate it if a translation file is available for the current locale. The i18n binding can also accept variables or expressions as arguments. For example:

<span data-bind=''i18n: name + ' Happy Birthday.'''></span>

This will render the text with the value of name variable, or translate it if a translation file is available for the current locale. The Mil8n and il8n bindings are not valid and will not work, as they are misspelled and do not match the knockout binding syntax. Reference: [Knockout bindings], [i18n binding]


Question 2

An Adobe commerce developer wants to initialize a JavaScript component using a data attribute. Which option would initialize the JavaScript component?



Answer : C

To initialize a JavaScript component using a data attribute, the developer should use the data-mage-init attribute. This attribute allows the developer to specify the name and configuration of the component in a JSON format. For example:

<nav data-mage-init='{''Vendor_Module/js/nav'': {''option1'': ''value1'', ''option2'': ''value2''}}'></nav>

This will initialize the nav component from the Vendor_Module/js/nav file with the given options. The data-bind and data-init attributes are not valid and will not work, as they are not supported by Magento. Reference: [JavaScript initialization], [data-mage-init]


Question 3

An Adobe Commerce developer wants to apply a knockout binding to a

to run a function, onClick(), when it's clicked. Which two solutions would the developer use to achieve this? (Choose two.)

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Total 50 questions