2014年8月28日星期四

Best exercises of Oracle certification 1z0-034 exam and answers

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1z0-034 Exam TestsExam Code: 1z0-034
Exam Name: Upgrade Oracle9i/10g OCA to Oracle Database 11g OCP
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1z0-034 Exam Questions Total Q&A: 148 Questions and Answers
Last Update: 08-28,2014
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NO.1 Which two statements about Oracle Direct Network File System (NFS) are true? (Choose two.)
A. It bypasses the OS file system cache.
B. A separate NFS interface is required for use across Linux, UNIX, and Windows platforms.
C. It uses the operating system kernel NFS layer for user tasks and network communication modules.
D. File systems need not be mounted by the kernel NFS system when being served through Direct
NFS.
E. Oracle Disk Manager can manage NFS on its own, without using the operating system kernel NFS
driver.
Answer: A,E

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Explanation:
Direct NFS provides faster performance that what can be provided by the operating system's NFS
driver as Oracle bypasses the operating system and generates exactly the requests it needs (no user
configuration or tuning required). Data is cached just once in user space, which saves memory (no
second copy in kernel space). Performance is further improved by load balancing across multiple
network interfaces (if available).

NO.2 Given below is a list of scenarios:
1. A user terminates his session abnormally.
2) The connection between the server and the client application terminates because of a
network failure.
3) A schema is accidentally dropped.
4) The tablespace is accidentally dropped from the database.
5) The hard disk gets corrupted and the data files in the disk are lost.
6) The database instance abnormally shuts down because of power failure.
Which scenarios require DBA intervention to perform recovery?
A. 1, 3, and 6
B. 4, 5, and 6
C. 3, 4, and 5
D. 1, 2, and 6
Answer: C

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NO.3 You are managing a 24*7 database. The backup strategy for the database is to perform
user-managedbackups.
Identify two prerequisites to perform the backups. (Choose two.)
A. The database must be opened in restricted mode.
B. The database must be configured to run in ARCHIVELOG mode.
C. The tablespaces are required to be in backup mode before taking the backup.
D. The tablespaces are required to be in read-only mode before taking the backup
Answer: B,C

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NO.4 You issued the following commands to configure settings in RMAN:
RMAN> CONFIGURE DEVICE TYPE sbt PARALLELISM 1;
RMAN> CONFIGURE DEFAULT DEVICE TYPE TO Sbt;
RMAN> CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE sbt TO 2;
RMAN> CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE sbt TO 2;
RMAN> CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 2;
Then you issued the following command to take the backup:
RMAN> BACKUP DATABASE PLUS ARCHIVELOG;
Which statement is true about the execution of the above command?
A. The backup will terminate because the FORMAT clause was not configured for the channel
B. It backs up two copies of data files to tape and disk, and two copies of archived log file on tape
C. It backs up the data files and archived log files to disk, making two copies of each data file and
archived logfile
D. It backs up the data files and archived log files to tape, making two copies of each data file and
archived logfile
Answer: D

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NO.5 Which three tasks can be performed using a duplicate database? (Choose three.)
A. Testing the backup and recovery procedures
B. Testing the upgrade of an Oracle database to a new release
C. Testing the effect of an application changes on database performance
D. Continuously updating archive log files from the target database to support failover
Answer: A,B,C

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NO.6 Examine these Data Pump commands to import objects to non-existent users hr1 and oe1.
S expdp system/manager Schemas =hr,oe directory =EXP_ DIR include = table
$ impdp system/manager Schemas = hr1,oe1 Directory = EXP_DIR Dumpfile = export.dat
Remap_schema =hr:hr1,oe :oe1
What would be achieved by running the above commands?
A. expdp will fail because no path has been defined for the dumpfile.
B. expdp will succeed but Impdp will fail because users do not exist.
C. impdp will create two users called hrl and oe1 and import all objects to the new schemas
D. impdp will create two users called hrl and oe1 and import tables owned by hr and oe schemas to
hr1 and oe1 schemas, respectively.
Answer: B

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NO.7 You have set the value of the NLS_TIMESTAMP_TZ_FORMAT parameter to YYYY-MMDD. The
default format of which two data types would be affected by this setting?
A. DATE
B. TIMESTAMP
C. INTERVAL YEAR TO MONTH
D. INTERVAL DAY TO SECOND
E. TIMESTAMP WITH LOCAL TIME ZONE
Answer: B,E

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NO.8 Which data dictionary view would you query to find the name of the default permanent
tablespace of the database?
A. DICTIONARY
B. DBA_TABLESPACES
C. DBA_DIRECTORIES
D. DBA_STORED_SETTINGS
E. DATABASE_PROPERTIES
F. DBA_TABLESPACE_GROUPS
Answer: E

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