1Z0-042 무료 덤프문제 온라인 액세스

View the Exhibit and examine the output.
Which statement describes the conclusion?

• A.The users should use bind variables instead of literals in the query.
• B.Preparing indexes on the tables used in the SQL statements would improve the library cache performance.
• C.The shared pool size should be increased to accommodate the SQL statements.
• D.The dictionary cache is consuming more space than the library cache.

Your test database is running in NOARCHIVELOG mode. What are the implications of this?

• A.You can perform the backup of only the SYSTEM tablespace when the database is open.
• B.You cannot perform schema-level logical backups.
• C.You can perform closed database backups.
• D.You can perform open database backups.

Which two statement about Automatic Storage Management (ASM) are true? (Choose two.)

• A.ASM can be used to store trace files, alert log files, and the server parameter file (SPFILE).
• B.ASM provides automatic load balancing across all ASM disks.
• C.ASM supports the Oracle database and operating system files.
• D.ASM provides mirroring on file by file basis.

What are the consequences of executing the SHUTDOWN ABORT command? (Choose two.)

• A.Database buffers and redo buffers are not written to the disk.
• B.The database is closed, but the instance is still started.
• C.The database files are synchronized.
• D.Uncommitted changes are not rolled back.
• E.The database undergoes automatic media recovery during the next startup.

When you try to start the Database Control by using the emctl start dbconsole command the following error is displayed:
TZ set to America/New_york
OC4J Configuration issue. /u01/app/oracle/product/10.1.0/db_1/oc4j/j2ee/OC4J_DBConsole_orcl.us.oracle.com not found.
Which two environment variables do you need to set appropriately to avoid such errors, and start the Database Control successfully? (Choose two.)

• A.ORACLE_SID
• B.LD_LIBRARY_PATH
• C.ORACLE_BASE
• D.NLS_LANG
• E.ORACLE_HOME