A User in the Marketing Department Reports the Email Server

Multiple Choice

A user in the marketing department reports the email server is down. The user has not received email for more than 24 hours. Which of the following should the network technician do to investigate this issue?

A) Question other users in the marketing department to see if they are also having connectivity issues.
B) Reboot the email server and verify connectivity once it is up again.
C) Check the router and firewall to see if ACLs or firmware have changed in the last 24 hours.
D) Check for network connectivity on the user's PC and reinstall the email client.