A company is experiencing a problem where all but one client node can connect to the server.
What is the problem and how can it be corrected?

A.
The node definition on the server changed. Issue the UPDATE CLIENT command.

B.
The node is not properly licensed. Apply the client license and restart the scheduler.

C.
The node has been locked. Issue thecommmand QUERY NODE <nodename> then UNLOCK NODE <nodename>.

D.
The node has been disabled. Issue the command QUERY NODE <nodename> then ENABLE NODE <nodename>.