Which two solutions can reduce the unavailability of the service?

When inspecting the weekly service status report for a critical internally hosted web service used in the application, a developer notices that there are too many instances of unavailability.

Which two solutions can reduce the unavailability of the service? Choose 2 answers.
A . Update the service to have a faster response time.
B. Modify the code that makes the request to the external service to be wrapped in a try/catch block.
C. Increase the web service time out
D. Change the code that sets the throwOnError attribute of the service to be true.

Answer: A,C

Explanation: