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NEW QUESTION # 89
Which two statements are true about the PMON background process?
Answer: C,D
Explanation:
A .False. LREG handles registration in 23ai, not PMON.
B .False. CKPT (Checkpoint) process updates the control file.
C .True. PMON cleans up after failed processes (e.g., releases locks).
D .True. PMON rolls back uncommitted transactions of failed processes.
E .False. SMON (System Monitor) manages temporary segment cleanup.
NEW QUESTION # 90
Which three statements are true about a dedicated server configuration?
Answer: A,B,E
Explanation:
A .False. Dispatchers are for shared servers, not dedicated.
B .False. Dedicated processes die with the session.
C .True. Direct client-server communication occurs.
D .False. No dispatchers in dedicated mode.
E .True. Listener spawns for local/remote clients.
F .True. Local logins (e.g., sqlplus /) bypass the listener.
NEW QUESTION # 91
Which three statements are true about the Oracle Database server during and immediately after SHUTDOWN TRANSACTIONAL?
Answer: B,C,D
Explanation:
A .False. Recovery happens on startup, not shutdown.
B .False. TRANSACTIONAL waits for commits or rollbacks, then disconnects.
C .True. New connections are blocked during shutdown.
D .True. Inactive sessions persist until shutdown completes.
E .True. Active transactions can commit before disconnection.
NEW QUESTION # 92
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?
Answer: A
Explanation:
Dynamic service registration allows a database to automatically register its services with a listener without manual configuration in LISTENER.ORA. Let's analyze each option:
A . The definition for LISTENER_1 requires a CONNECT_DATA section to enable dynamic service registration.
False. The CONNECT_DATA section is part of a client-side TNSNAMES.ORA entry for connecting to a service, not for listener registration. Dynamic registration is handled by the database's LREG (Listener Registration) process, which uses the LOCAL_LISTENER parameter to locate the listener's address (e.g., host1.abc.com:1521). No CONNECT_DATA is needed in the listener address definition itself. This option confuses client connection syntax with listener configuration.
Mechanics:The listener address in TNSNAMES.ORA (LISTENER_1) is sufficient for LREG to find and register with it, as long as the listener is running at that address.
B . LISTENER_1 must also be defined in the LISTENER.ORA file to enable dynamic service registration.
False. Dynamic registration doesn't require the listener to be explicitly defined in LISTENER.ORA. The LOCAL_LISTENER parameter pointing to LISTENER_1 (resolved via TNSNAMES.ORA) tells LREG where to register services. If the listener is running on host1.abc.com:1521, LREG will find it without a LISTENER.ORA entry. However, LISTENER.ORA is needed tostartthe listener process, but that's separate from dynamic registration.
Practical Note:If LISTENER.ORA isn't configured, a default listener might run on port 1521, but the question implies LISTENER_1 is operational.
C . The LREG process registers services dynamically with the LISTENER_1 listener.
True. In Oracle 23ai, the LREG background process (replacing PMON's registration role in earlier versions) dynamically registers database services with listeners specified by LOCAL_LISTENER. Here, LOCAL_LISTENER=LISTENER_1 resolves to host1.abc.com:1521 via TNSNAMES.ORA. LREG periodically sends service information (e.g., service names, instance details) to the listener, enabling clients to connect without static configuration.
Mechanics:LREG uses the TNS alias (LISTENER_1) to locate the listener's IP and port, registers services like orcl or orclpdb, and updates the listener's service table. This happens automatically every 60 seconds or on significant events (e.g., instance startup).
D . Dynamic service registration cannot be used for this database instance.
False. The setup (LOCAL_LISTENER set and a valid TNSNAMES.ORA entry) explicitly supports dynamic registration. No blockers (e.g., REGISTRATION_EXCLUDED_LISTENERS) are mentioned, so LREG can function normally.
E . There are two listeners named LISTENER and LISTENER_1 running simultaneously using port 1521 on the same host as the database in LISTENERS.
False. The question mentions only LISTENER_1 in the SPFILE and TNSNAMES.ORA. There's no evidence of a second listener (LISTENER) or a LISTENERS configuration (possibly a typo). Two listeners can't share the same port (1521) on the same host due to port conflicts unless explicitly configured with different IPs, which isn't indicated here.
NEW QUESTION # 93
You unplugged a PDB to plug it into another CDB with the following command: SQL> ALTER PLUGGABLE DATABASE pdb1 UNPLUG INTO '/tmp/pdb1.pdb'; Which statement is true prior to plugging the PDB into the other CDB?
Answer: D
Explanation:
D .True. The .pdb file (archive) contains the manifest and data files; all must be copied to the target CDB for plugging.
A-C .False. The archive alone isn't enough; all components are needed.
NEW QUESTION # 94
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