Which process automation should be used to send an outbound message without using Apex code?

what are the three languages used in the visualforce page?

A developer writes a trigger on the Account object on the before update event that increments a count field. A workflow rule also increments the count field every time that an Account is created or updated. The field update in the workflow rule is configured to not re-evaluate workflow rules.What is the value of the count field if an Account is inserted with an initial value of zero, assuming no other automation logic is implemented on the Account?

Get Cloudy Consulting (GCC) has a multitude of servers that host its customers' websites. GCC wants to provide a servers status page that is always on display in its call center. It should update in real time with any changes made to any servers. To accommodate this on the server side, a developer created a server Update platform event.The developer is working on a Lightning web component to display the information.

What writing an Apex class, a developer warts to make sure thai all functionality being developed Is handledas specified by the requirements.Which approach should the developer use to be sure that the Apex class is working according tospecification?