Questions

1. How many triggers can an Azure Function have?
   • They must always have only one trigger.
   • They cannot have triggers.
   • More than one trigger.
   • Zero or one trigger.
2. How many bindings can an Azure Function have?
   • They must always have only one binding.
   • They cannot have bindings.
   • As many bindings as you want.
   • At most, one binding.
3. What does TriggerListener do?
   • Manages custom events and executes Azure Functions when they occur.
   • Opens a socket connection to the Azure Functions runtime and tracks errors.
   • It is used by the runtime only to open HTTP connections to the internet.

4. How can you add a custom extension to the Azure Functions runtime?
   • You need to modify the Azure Functions runtime source code and rebuild it.
   • You can use the AddExtension method of the IWebJobsBuilder interface in the configuration phase of the startup phase.
   • You cannot add a custom extension to the Azure Functions runtime.
   • You have to create a TimerTrigger function that, periodically, adds the extension to the runtime.