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Oracle Database Administration I Sample Questions (Q77-Q82):

NEW QUESTION # 77
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:

Which statement is true?

A. Dynamic service registration cannot be used for this database instance
B. LISTENER_1 must also be defined in the LISTENER.ORA file to enable dynamic service registration
C. The LREG process registers services dynamically with the LISTENER_1 listener
D. The definition for LISTENER_1 requires a CONNECT_DATA section to enable dynamic service registration
E. There are two listeners named LISTENER and LISTENER_1 running simultaneously using port 1521 on the same host as the database instances

Answer: B

Explanation:
Explanation/Reference: https://docs.oracle.com/database/121/NETAG/listenercfg.htm#NETAG292

NEW QUESTION # 78
Which two tasks can you perform using DBCA for databases? (Choose two.)

A. Configure a nonstandard block size for a new database
B. Configure incremental backups for a new database
C. Change the standard block size of an existing database
D. Enable flashback database for an existing database
E. Register a new database with an available Enterprise Manager Management server

Answer: A,E

Explanation:
Reference:
https://docs.oracle.com/cd/B16254_01/doc/server.102/b14196/install003.htm

NEW QUESTION # 79
In one of your databases, the user HR has the password HRMGR. You want to connect to a database instance whose listener listens on port 1531 by using this statement:
CONNECT HR/HRMGR@orcl
No name server is used.
Which statement is true about ORCL?

A. It must resolve to a valid connect descriptor in the server's tnsnames.ora file
B. It must resolve to a valid connect descriptor in the client's tnsnames.ora file
C. It must be the name of the database to whose instance HR wishes to connect
D. It must be the value of the SERVICE_NAMES parameter on the client side
E. It must be the name of the server running the database to whose instance HR wishes to connect

Answer: E

NEW QUESTION # 80
Which two are true about a SQL statement using SET operators such as UNION? (Choose two.)

A. The names and number of columns must be identical for all SELECT statements in the query.
B. The number, but not names, of columns must be identical for all SELECT statements in the query.
C. The data type group of each column returned by the second query must match the data type of the corresponding column returned by the first query.
D. The data type of each column returned by the second query must be implicitly convertible to the data type of the corresponding column returned by the first query.
E. The data type of each column returned by the second query must exactly match the data type of the corresponding column returned by the first query.

Answer: D,E

NEW QUESTION # 81
The ORCL database has RESUMABLE__TIMEOUT = 7200 and DEFERRED_SEGMENT_CREATION = FALSE User U1 has a 1 MB quota in tablespace DATA.
U1 executes this command:
SQL> CREATE TABLE t1 AS
(SELECT object_name, sharing, created
FROM dba_objects);
U1 complains that the command is taking too long to execute.
In the alert log, the database administrator (DBA) finds this:
2017-03-06T12:15:17.183438+05:30
statement in resumable session 'User U1(136), Session 1, Instance 1' was suspended due to ORA-01536: space quota exceeded for tablespace 'DATA' Which are three actions any one of which the DBA could take to resume the session? (Choose three.)

A. Grant UNLIMITED TABLESPACE to U1
B. Add a data file to DATA
C. Drop other U1 objects in DATA
D. Increase U1's quota sufficiently in DATA
E. Set DEFERRED_SEGMENT_CREATION to TRUE
F. Set AUTOEXTEND ON for data files in DATA

Answer: A,C,D

NEW QUESTION # 82
......

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