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The Oracle Database Administration I (1Z0-082) certification exam is one of the top-rated and career-oriented certificates that are designed to validate an Oracle professional's skills and knowledge level. These Oracle Database Administration I (1Z0-082) practice questions have been inspiring those who want to prove their expertise with the industrial-recognized credential. By cracking it you can gain several personal and professional benefits.

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Oracle Database Administration I Sample Questions (Q65-Q70):

NEW QUESTION # 65
In the SALES database, DEFERRED_SEGMENT_CREATION is TRUE.
Examine this command:
SQL> CREATE TABLE T1(c1 INT PRIMARY KEY, c2 CLOB);
Which segment or segments, if any, are created as a result of executing the command?

A. no segments are created
B. T1, an index segment for the primary key, and a LOB segment only
C. T1 and an index segment created for the primary key only
D. T1 only
E. T1, an index segment for the primary key, a LOB segment, and a lobindex segment

Answer: A

NEW QUESTION # 66
Which two statements are true about views used for viewing tablespace and datafile information?
(Choose two.)

A. Tablespace free space can be viewed in DBA_TABLESPACES
B. A datafile can be renamed when the database is in MOUNT state and the new file name is displayed when querying DBA_DATA_FILES after the database is opened
C. V$TABLESPACE displays information about tablespaces contained in the data dictionary
D. Tablespace free space can be viewed in V$TABLESPACE
E. V$TABLESPACE displays information that is contained in the controlfile about tablespaces

Answer: B,E

NEW QUESTION # 67
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. 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. There are two listeners named LISTENER and LISTENER_1 running simultaneously using port 1521 on the same host as the database instances

Answer: D

Explanation:
The listener forwards client requests to supported services. These services are dynamically registered with the listener. This dynamic registration feature is called service registration. The registration is performed by the Listener Registration (LREG) process. Dynamic service registration does not require any manual configuration in the listener.ora file.

NEW QUESTION # 68
Which three statements are true about advanced connection options supported by Oracle Net for connection to Oracle Database instances? (Choose three.)

A. Connect Time Failover requires the use of Transparent Application Failover (TAF)
B. Source Routing enables the use of Connection Manager (CMAN) which enables network traffic to be routed through a firewall
C. Source Routing requires the use of a name server
D. Load Balancing can balance the number of connections to dispatchers when using a Shared Server configuration
E. Connect Time Failover requires the connect string to have two or more listener addresses configured
F. Load Balancing requires the use of a name server

Answer: B,C,E

Explanation:
https://docs.oracle.com/cd/E11882_01/network.112/e41945/advcfg.htm#NETAG013

NEW QUESTION # 69
Your database instance is started with a PFILE.
Examine these parameters:

You want to increase the size of the buffer cache.
Free memory is available to increase the size of the buffer cache.
You execute the command:
SQL> ALTER SYSTEM SET DB_CACHE_SIZE=1024M;
What is the outcome?

A. The value is changed for the current instance and in the PFILE
B. It fails because the SCOPE clause is missing
C. Change is applied to the current instance, but does not persist after instance restart
D. The value is changed only in the PFILE and takes effect at the next instance startup

Answer: C

Explanation:
https://docs.oracle.com/database/121/SQLRF/statements_2017.htm#SQLRF00902

NEW QUESTION # 70
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