In the spfile of a single instance database, LOCAL LISTENER is set to LISTENER 1.
The TNSNAMES ORA file in SORACLE HOME/network/admin in the database home contains:
LISTENER 1 =
(ADDRESS=
(PROTOCOL= TCP)
(HOST =host1 abc. com)
(PORT=1521)
) Which statement is true?
A.There are two listeners named LISTENER and LISTENER 1 running simultaneously using port正确答案A
1521on the same host as the database instances B.The definition for LISTENER 1 requires a CONNECT DATA section to enable dynamic service
Registration C.LISTENER 1 must also be defined in the LISTENER. ORA file to enable dynamic service
Registration D.The LREG process registers services dynamically with the LISTENER_1 listener E.Dynamic service registration cannot be used for this database instance
