You are working on a customization that requires a list of shipping rates available to a user. Which call returns the list of shipping rates?

A merchant is asking you to organize a catalog of 9000 rings which come in six sizes, each with unique inventory. Additionally, the customers will have 1000 unique engravings to choose from for their ring. The engraving is made on the selected ring just before the order is shipped.
How do you organize such a catalog to achieve optimal store performance and ease of management?

In a phtml, you added script tag and defined couple of js variables as below:Now to protect it from XSS attacks, which two methods allow you to keep the php variable output XSS-safe?Choose 2

A Magento site is experiencing an issue where a fatal out of memory error occurs during a custom bulk catalog import process. Here is the code:

On a merchant website you inherit an extension that allows customers to rate products. The extension adds two integer attributes to store the rating values, avg_rating and rating_count. The merchant reports an issue that the displayed average is lower than it should be. You determine you need to change the avg_rating attribute backend typetodecim to fix the issue.
In your module's Data Patch script, which three steps do you take to change the attribute backend type?
A)

B)

C)

D)

E)