In the spfile of a single instance database, LOCAL_LISTENER is set to LISTENER_1.
The TNSNAMES.ORA file in $ORACLE_HOME/network/admin in the database home contains:
LISTENER_1=
(ADDRESS=
(PROTOCOL=TCP)
(HOST=host1.abc.com)
(PORT=1521)
)
Which statement is true?
A. Dynamic service registration cannot be used for this database instance
B. The LREG process registers services dynamically with the LISTENER_1 listener
C. LISTENER_1 must also be defined in the LISTENER.ORA file to enable dynamic service registration
D. There are two listeners named LISTENER and LISTENER_1 running simultaneously using port 1521 on the same host as the database instances
E. The definition for LISTENER_1 requires a CONNECT_DATA section to enable dynamic service Registration
source:cuug
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