Free Salesforce B2C-Commerce-Developer Exam Questions

Which three configuration does a developer need to ensure to have a new product visible in the Storefront?
Choose 3 answers

Server.get('Show', consentTracking.consent, cache.applyDefaultCache, function (req,res,next){
Var Site = require('dw/system/Syte'');
Var pageMetaHelpter = require('*/cartridge/scripts/helpers/pageMetaHelper');
pageMetaHelpter.setPageMetaTags(req.pageMetaData, Site.current);
res.render('/home/homePage');
Missing code here
}, pageMetadata.computedPageMetadata);
The controller endpoint code snippet above does not work.
Which line of code should the developer use to replace line 6 and correct the problem?

A client has two B2C Commerce sites in the same instance: one for the U.S. market, the other for the European market. They offer free gift wrapping on a selection of products. For each order, five products can be wrapped in the U.S., but only three products can be wrapped in the European region.
How should a developer allow the merchant to independently adjust this number?

A Digital Developer needs to store information temporarily and decides to create a custom object.
Which code creates a custom object?

Universal Containers specifies a new category hierarchy for navigating the digital commerce storefront. A Digital Developer uses Business Manager to manually create a catalog with the specified category hierarchy, then uses the Products & Catalogs > Import & Export module to export the catalog as a file.
How can other Developers with sandboxes on the same realm create the same catalog in their own sandboxes?