Using DB2 CPP to access a remote DB for the 1st time it is necessary

A.
First catalog the remote system or node and then catalog the DB written the remote node

B.
First register the remote system user in system catalog

C.
and then setup a SQL communication to the remote node

D.
db2 cannot use DB is remote system unless SYSADMIN authority is grated to local user

E.
first list all the remote DB with the db2 list DB directly command and the select the remote DB
from the list

Explanation: