You Have a Hub and Spoke Network with Three Sites

You have a hub and spoke network with three sites. The application servers all located within the headquarters, which is the hub of the network. Users in spoke site A complain that they cannot get to the company's accounting server. Users in spoke site Bare not affected. Which two steps should you take in troubleshooting this issue? (Choose two.)

A) verify that user sat the headquarter scan reach the accounting server
B) verify that users in site A can access other resources outside of their site
C) verify that users in site B can access resources in the headquarters
D) verify that the accounting server is online
E) verify that the accounting server can access site A