A user with SYSADM authority executes the following commands at host SERVER1:

Assuming the user ADMINISTRATOR exists, what could be causing the problem?

A.
The password for user ADMINISTRATOR is missing.

B.
The userid should not be longer than eight characters.

C.
The syntax of the CATALOG NODE command must contain a valid TCP/IP address.

D.
The db2c_sample entry in the Windows Services File might not be assigned port number 50000.