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Exam Code: 1Z0-062
Exam Name: Oracle Database 12c: Installation and Administration
Q&As: 166

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Pass4itsure Free Oracle 1Z0-062 Dumps Exam Questions and Answers:

QUESTION 8
Which statement is true about the Log Writer process?
A. It writes when it receives a signal from the checkpoint process (CKPT).
B. It writes concurrently to all members of multiplexed redo log groups.
C. It writes after the Database Writer process writes dirty buffers to disk.
D. It writes when a user commits a transaction.
1Z0-062 exam Correct Answer: D
Explanation
Explanation/Reference:
QUESTION 9
The ORCL database is configured to support shared server mode. You want to ensure that a user
connecting remotely to the database instance has a one-to-one ratio between client and server processes.
Which connection method guarantees that this requirement is met?
A. connecting by using an external naming method
B. connecting by using the easy connect method
C. creating a service in the database by using the dbms_service.create_service procedure and using this
service for creating a local naming service”
D. connecting by using the local naming method with the server = dedicated parameter set in the
tnsnames.ora file for the net service
E. connecting by using a directory naming method
Correct Answer: CE
Explanation
Explanation/Reference:
QUESTION 10
Which two tasks can be performed on an external table?
A. partitioning the table
B. creating an invisible index
C. updating the table by using an update statement
D. creating a public synonym
E. creating a view
1Z0-062 dumps Correct Answer: CD
Explanation
Explanation/Reference:
QUESTION 11
Which three statements are true about a job chain?
A. It can contain a nested chain of jobs.
B. It can be used to implement dependency-based scheduling.
C. It cannot invoke the same program or nested chain in multiple steps in the chain.
D. It cannot have more than one dependency.
E. It can be executed using event-based or time-based schedules.
Correct Answer: ABE
Explanation
Explanation/Reference:
Reference:
QUESTION 12
The hr user receiver, the following error while inserting data into the sales table:
ERROR at line 1:
ORA-01653; unable to extend table HR.SALES by 128 in tablespace USERS
On investigation, you find that the users tablespace uses Automnrif Segment Space Management (ASSM).
It is the default tablespace for the HR user with an unlimited quota on it.
Which two methods would you use to resolve this error?
A. Altering the data life associated with the USERS tablespace to ex automatically
B. Adding a data life to the USERS tablespace
C. Changing segment space management for the USERS tablespace to manual
D. Creating a new tablespace with autoextend enabled and changing the default tablespace of the HR
user to the new tablespace
E. Enabling resumable space allocation by setting the RESUMABLE_TIMEOUT parameter to a nonzero
value
1Z0-062 pdf Correct Answer: AD
Explanation
Explanation/Reference:
QUESTION 13
Which three factors influence the optimizer’s choice of an execution plan?
A. the optimizer_mode initialization parameter
B. operating system (OS) statistics
C. cardinality estimates
D. object statistics in the data dictionary
E. fixed baselines
Correct Answer: AB
QUESTION 14
Examine the resources consumed by a database instance whose current Resource Manager plan is
displayed.
SQL> SELECT name, active_sessions, queue_length,
Consumed_cpu_time, cpu_waits, cpu_wait_time
FROM v$rsrc_consumer_group;
NAME ACTIVE_SESSIONS QUEUE_LENGTH CONSUMED_CPU_WAITS
CPU_WAIT_TIME
———————————– ——————– ——————– ——————— —————-
OLTP__ORDER__ENTRY 1 0 29690 467
6709
OTHES__GROUPS 0 0 5982366 4089
60425
SYS_GROUP 1 0 2420704 914
19540
DS.S_QUERIES 4 2 4594660 3004
55700
Which two statements are true?
A. An attempt to start a new session by a user belonging to DSS_QUERIES fails with an error.
B. An attempt to start a new session by a user belonging to OTHE_GROUPS fails with an error.
C. The CPU_WAIT_TIME column indicates the total time that sessions in the consumer group waited for
the CPU due to resource management.
D. The CPU_WAIT_TIME column indicates the total time that sessions in the consumer group waited for
the CPU due to I/O waits and latch or enqueue contention.
E. A user belonging to the DSS__QUERIES resource consumer group can create a new session but the
session will be queued.
1Z0-062 vce Correct Answer: CE
Explanation
Explanation/Reference:
QUESTION 15
Which action takes place when a file checkpoint occurs?
A. The checkpoint position is advanced in the checkpoint queue.
B. All buffers for a checkpointed file that were modified before a specific SCN are written to disk by DBWn
and the SCN is stored in the control file.
C. The Database Writer process (DBWn) writes all dirty buffers in the buffer cache to data files.
D. The Log Writer process (LGWR) writes all redo entries in the log buffer to online redo log files.
Correct Answer: C
Explanation
Explanation/Reference:
QUESTION 16
Examine the structure of the sales table, which is stored in a locally managed tablespace with Automatic
Segment Space Management (ASSM) enabled.
Name Null? Type
——————————————– ————————————- —————————–
PROD_ID NOT NULL NUMBER
CUST_ID NOT NULL NUMBER
TIME_ID NOT NULL DATE
CHANNEL_ID NOT NULL NUMBER
PROMO_ID NOT NULL NUMBER
QUANT I TY___S OL D NOT NULL NUMBER (10, 2)
AMOUNT SOLD NOT NULL NUMBER (10, 2)
You want to perform online segment shrink to reclaim fragmented free space below the high water mark.
A. Row movement is enabled.
B. Referential integrity constraints for the table are disabled.
C. No queries are running on this table.
D. Extra disk space equivalent to the size of the segment is available in the tablespace.
E. No pending transaction exists on the table.
1Z0-062 exam Correct Answer: D
Explanation
Explanation/Reference:
QUESTION 17
Which task would you recommend before using the Database Upgrade Assistant (DBUA) to upgrade a
single-instance Oracle 11g R2 database to Oracle Database 12c?
A. shutting down the database instance that is being upgraded
B. executing the catctl.pl script to run the upgrade processes in parallel
C. running the Pre-Upgrade Information Tool
D. copying the listener.ora file to the new ORACLE_HOME
Correct Answer: C
Explanation
Explanation/Reference:
QUESTION 18
Your database is open and the listener LISTNENER is up. You 1Z0-062 dumps issue the command:
LSNRCTL> RELOAD
What is the effect of reload on sessions that were originally established by listener?
A. Only sessions based on static listener registrations are disconnected.
B. Existing connections are not disconnected; however, they cannot perform any operations until the
listener completes the re-registration of the database instance and service handlers.
C. The sessions are not affected and continue to function normally.
D. All the sessions are terminated and active transactions are rolled back.
Correct Answer: B
Explanation
Explanation/Reference:
QUESTION 19
Which statement is true regarding the startup of a database instance?
A. The instance does not start up normally and requires manual media recovery after a shutdown using
the abort option.
B. Uncommitted transactions are rolled back during the startup of the database instance after a shutdown
using the immediate option.
C. There is no difference in the underlying mechanics of the startup whether the database is shut down by
using the immediate option or the abort option.
D. Media recovery is required when the database is shut down by using either the immediate option or the
abort option.
E. Instance recovery is not required if the database instance was shut down by using SHUTDOWN
IMMEDIATE.
Correct Answer: B
Explanation
Explanation/Reference:

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