Free Salesforce CCD-102 Exam Questions

A merchant has a new requirement to accept American Express credit cards on its Storefront. A credit card payment method already exists.
Which step must a developer take in Business Manager to achieve this?

Universal Containers wants to change a content slot that is currently configured to display a content asset. Now they want the slot to display the top five selling boxes for the week.
Which two changes need to be made for this to occur? (Choose two.)

Given a file in a plug-in cartridge with the following code:
'use strict':
Var base = module.superModule;
Function applyCustomCache (req,res,next){
res.CachePeriod = 6; //eslint-disable-line no-param-reassign
res.cachePeriodUnit = 'hours') //eslint-disable-line no-param-reassign
next();
}
Module.exports = base;
Module.exports.applyCustomCache = applyCustomCache;
What does this code extend?

A client has three different sites with three locales. Two of the sites share a library and one site has a private library.
What does the shared library allow in this context?