Given the file structure below, which ISML method call renders the customLandingPage template?

Universal Containers recently completed updates to their storefront shopping cart page. A problem has been discovered since the update. Users are no longer able to submit coupon codes on this page. Additionally, authenticated users who try to add a coupon are logged out.
The following processing code is found in the Cart.js controller file:

What should the Developer verify to identify the issue?

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.)

There are three logging categories: category1, category1.eu, and category1.us.
In Business Manager, category1 is enabled for WARN level and no other categories are configured. All custom log targets are enabled.
The code segment below executes.

What is the result'

A Digital Developer is inspecting the weekly service status report for a critical internally-hosted web service used in the application and notices that there are too many instances of unavailability.
Which two solutions are possible options to reduce the unavailability of the service? (Choose two.)