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1. Oracle 1Z0-908 Dumps Pdf
2. Oracle 1Z0-908 Dumps Youtube
3. Oracle 1Z0-908 Exam Practice Test
4. Oracle Discount Code 2021

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Latest Update Oracle 1Z0-908 Exam Practice Questions and Answers Online Test

QUESTION 1
You wish to protect your MySQL database against SQL injection attacks.
Which method would fail to do this?
A. installing and configuring the Connection Control plugin
B. avoiding concatenation of SQL statements and user-supplied values in an application
C. using stored procedures for any database access D. using PREPARED STATEMENTS
Correct Answer: C
Reference: https://www.ptsecurity.com/ww-en/analytics/knowledge-base/how-to-prevent-sql-injectionattacks/

 

QUESTION 2
Examine this SQL statement: Which set of privileges will allow Tom to execute this SQL statement?

A. GRANT ALL PRIVILEGES ON `world\\’.`city\\’ TO `tom\\’@\\’%\\’; GRANT SELECT (`code\\’) ON `world\\’.`country\\’
TO `tom\\’@\\’%\\’;
B. GRANT UPDATE ON `world\\’.* TO `tom\\’@\\’%\\’; GRANT ALL PRIVILEGES ON `world\\’.`country\\’ TO
`tom\\’@\\’%\\’;
C. GRANT UPDATE ON `world\\’.`city\\’ TO `tom\\’@\\’%\\’; GRANT SELECT ON `world\\’.* TO `tom\\’@\\’%\\’;
D. GRANT UPDATE ON `world\\’.`city\\’ TO `tom\\’@\\’%\\’; GRANT SELECT ON `world\\’.`country\\’ TO `tom\\’@\\’%\\’;
Correct Answer: D

 

QUESTION 3
You plan to install MySQL Server by using the RPM download.
Which two statements are true? (Choose two.)
A. You can provide the root password interactively.
B. You must manually initialize the data directory.
C. The MySQL RPM package installation supports deploying multiple MySQL versions on the same host.
D. MySQL uses the RPM relocatable installation target feature.
E. The functionality is split among several RPM package files.
F. You can find the root password in the error log after the first start.
Correct Answer: CF
Reference: https://dev.mysql.com/doc/refman/8.0/en/linux-installation-rpm.html

 

QUESTION 4
Which four connection methods can MySQL clients specify with the –protocol option when connecting to a MySQL
server? (Choose four.)
A. TCP
B. SOCKET
C. PIPE
D. DIRECT
E. IPv6
F. FILE
G. IPv4
H. MEMORY
Correct Answer: ABCH
Reference: https://dev.mysql.com/doc/refman/8.0/en/connection-options.html

 

QUESTION 5
Examine these statements and output:

Which statement is true?
A. The user is logged in with –user=accounting as an option.
B. The user is authenticated as the anonymous proxy user `\\’@\\’%\\’.
C. The user is authorized as the accounting@localhost user.
D. The user is authorized as the rsmith@localhost user.
E. The user failed to define a username and the connecting username defaulted to `\\’@\\’%\\’.
Correct Answer: D

 

QUESTION 6
Which two are features of the MySQL Enterprise Firewall? (Choose two.)
A. recording incoming SQL statement to facilitate the creation of a whitelist of permitted commands
B. blocking of potential threats by configuring pre-approved whitelists
C. modifying SQL statement dynamically with substitutions
D. automatic locking of user accounts who break your firewall
E. provides stateless firewall access to TCP/3306
Correct Answer: BC

 

QUESTION 7
Examine this statement, which executes successfully:

Which change enables the query to succeed while accessing fewer rows?
A. ALTER TABLE world.city ADD SPATIAL INDEX (Name);
B. ALTER TABLE world.city ADD SPATIAL INDEX (Population);
C. ALTER TABLE world.city ADD INDEX (Population);
D. ALTER TABLE world.city ADD INDEX (Name);
E. ALTER TABLE world.city ADD FULLTEXT INDEX (Name);
F. ALTER TABLE world.city ADD FULLTEXT INDEX (Population);
Correct Answer: B
Reference: https://dev.mysql.com/doc/refman/5.7/en/creating-spatial-indexes.html

 

QUESTION 8
You are using mysqlcheck for server maintenance.
Which two statements are true? (Choose two.)
A. The mysqlcheck –check –all-databases command takes table write locks while performing a series of checks.
B. The mysqlcheck –optimize –all-databases command reclaims free space from table files.
C. The mysqlcheck –repair –all-databases command can repair an InnoDB corrupted table.
D. The mysqlcheck command can be renamed mysqlrepair so that it repairs tables by default.
E. The mysqlcheck –analyze –all-databases command performs a series of checks to spot eventual table corruptions.
Correct Answer: DE

 

QUESTION 9
Which two are true about binary logs used in asynchronous replication? (Choose two.)
A. They are pushed from the master to the slave.
B. They contain events that describe database changes on the master.
C. They contain events that describe all queries run on the master.
D. They contain events that describe only administrative commands run on the master.
E. They are pulled from the master to the slave.
Correct Answer: AB
Reference: https://www.oracle.com/technetwork/community/developer-day/mysql-replication-presentation485890.pdf
(14)

 

QUESTION 10
Which two are characteristics of snapshot-based backups? (Choose two.)
A. snapshot-based backups greatly reduce the time during which the database and applications are unavailable.
B. There is no need for InnoDB tables to perform their own recovery when restoring from the snapshot backup.
C. The frozen file system can be cloned to another virtual machine immediately into active service.
D. A separate physical copy must be made before releasing the snapshot backup.
E. Snapshot backups can be used only in virtual machines.
Correct Answer: DE

 

QUESTION 11
t is a non-empty InnoDB table.
Examine these statements, which are executed in one session:
BEGIN;
SELECT * FROM t FOR UPDATE;
Which is true?
A. If OPTIMIZE TABLE; is invoked, it will create a table lock on t and force a transaction rollback.
B. If OPTIMIZE LOCAL TABLE t; is invoked from another session, it executes normally and returns the status.
C. mysqlcheck –analyze –all databases will execute normally on all tables and return a report.
D. If ANALYZE TABLE; is invoked from the same session, it hangs until the transaction is committed or rolled back.
Correct Answer: B

 

QUESTION 12
The data in this instance is transient; no backup or replication will be required. It is currently underperforming.
The database size is static and including indexes is 19G. Total system memory is 32G.
After profiling the system, you highlight this MySQL status and global variables:

The OS metrics indicate that disk is a bottleneck.
Other variables retain their default values.
Which three changes will provide the most benefit to the instance? (Choose three.)
A. innodb_flush_log_at_trx_commit=1
B. buffer_pool_size=24G
C. innodb_log_file_size=1G
D. sync_binlog=0
E. innodb_doublewrite=0
F. max_connections=10000
G. innodb_undo_directory=/dev/shm
Correct Answer: ACF
Reference: https://aws.amazon.com/blogs/database/best-practices-for-configuring-parameters-foramazon-rds-for-mysqlpart-1-parameters-related-to-performance/

 

QUESTION 13
Examine this MySQL client command to connect to a remote database: MySQL -h remote.example.org -u root -p
–protocol=TCP –SSL-mode=
Which two –SSL-mode values will ensure that an X.509-compliant certificate will be used to establish the SSL/TLS
connection to MySQL?
A. REQUIRED
B. VERIFY_CA
C. VERIFY_IDENTITY
D. PREFERRED
E. DISABLED
Correct Answer: A

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