Joe, a Cloud Administrator, Is No Longer Able to SSH

Multiple Choice

Joe, a cloud administrator, is no longer able to SSH to his cloud management console after he returns from a two-week vacation. A coworker was able to connect from the management station with no issue. During the last two weeks, the desktop team replaced all administrator machines with newer ones. Which of the following must Joe do FIRST to troubleshoot his access?

A) Rename the SSH key folder on his machine to keys_allow.
B) Ensure he has the same host key as his coworker.
C) Ensure his host is configured to use the correct load balancer.
D) Ensure the management console is configured with the correct host key.