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Salesforce Summer 2019 Certification Maintenence Questions & Answers

What allows Flows to manipulate complex data types that are often returned from calls to web services?
Screen components
Primitive Apex objects
Apex-defined data types
External service registrations

What is the benefit of using the Continuation class in Apex to make a long-running request to an external web service?
Multiple Continuation action calls can be made in parallel.
A single Continuation object can contain up to 10 callouts.
DML operations can be performed within the Continuation.
More long-running callouts can be made using Continuations.

Which Lightning web component configuration file tag set specifies the form factors that the component supports?

Which tag adds the Lightning Web Components for Visualforce JavaScript library to a Visualforce page?