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Q3 Single choice

An Architect working on a headless Adobe Commerce project creates a new customer attribute named my_attribute. Based on the attribute value of the customer, the results of GraphQI queries are modified using a plugin. The frontend application is communicating with Adobe Commerce through Varnish by Fastly. which is already caching the queries that will be modified. The Adobe Commerce Fastly extension is installed, and no other modifications are made to the application.

Which steps should the Architect take to make sure the vcl_hash function of Varnish also considers the newly created attribute?

A
Create a new ClaSS inheriting from Magento\GraphQlCache\Model\CacheId
\CacheIdFactorProvidftrInterface and returning the Value of my_attribute from the getFactorValuefunction and my_attribute from the getFactorName function. Then add this class through Dl to the idFactorProviders array ofMagento\GraphQlCache\Model\CacheId
\CacheIdCalculator.
B
Createa new class inheriting from Magento\Framework\GraphQi\Query\Resolver\identityinterfaca and returning the value of my_attributefrom the getidentities function.
Then specify a ecache(cacheidentity: Path\\To\\identityclass) directive for each GraphQL query to include the newly created IdentityClass to each query that adds the cache tags for each customer.
C
Create a new class inheriting from Magento\customer\customerData\stctionSourceinterface and returning the value of my_attributefrom the getSectionData function. Then add thisClaSS through the sectionSourceMap array Of Magento\Customer\CustomerData\SectionPoolInterface.

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