Exam Dumps 1z1-908 Practice Free Latest Oracle Practice Tests [Q29-Q47]

Exam Dumps 1z1-908 Practice Free Latest Oracle Practice Tests

1z1-908 Exam Questions | Real 1z1-908 Practice Dumps

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Oracle 1z1-908 Exam Syllabus Topics:

Topic	Details
Topic 1	Launch multiple MySQL servers on the same host Secure the MySQL host environment
Topic 2	Explain the role of the binary log in replication Distinguish between the different types of backup
Topic 3	Backup and restore data with MySQL Enterprise Backup Configure MySQL Enterprise Firewall
Topic 4	Use MySQL Enterprise Monitor to view activity in MySQL Analyze queries with MySQL Enterprise Monitor
Topic 5	Explain when and how to use raw file backups Secure MySQL server connections
Topic 6	Troubleshoot problems with locked resources Recognize common security risks
Topic 7	Describe MySQL InnoDB cluster and Group Replication Control user and role permissions
Topic 8	Use mysqldump and mysqlpump to perform logical backups Configure client connections to the server
Topic 9	Explain how replication provides high availability and scalability Understand how InnoDB stores data and logs
Topic 10	Monitor database growth and explain capacity planning Examine how MySQL optimizes queries
Topic 11	Install and use the MySQL server and client programs Understand how MySQL stores data Prevent SQL injection attacks
Topic 12	Identify the files and folders created during installation Understand and use the Data Dictionary
Topic 13	Create indexes to improve server performance Provide password and login security
Topic 14	Configure MySQL by using options and option files Monitor and understand index statistics

NEW QUESTION 29
Which two are characteristics of snapshot-based backups? (Choose two.)

A. A separate physical copy must be made before releasing the snapshot backup.
B. The frozen file system can be cloned to another virtual machine immediately into active service.
C. Snapshot-based backups greatly reduce time during which the database and applications are unavailable.
D. Snapshot backups can be used only in virtual machines.
E. There is no need for InnoDB tables to perform its own recovery when restoring from the snapshot backup.

Answer: A,D

NEW QUESTION 30
You are backing up raw InnoDB files by using mysqlbackup.
Which two groups of files will be backed up during a full backup? (Choose two.)

A. ibbackupfiles
B. *.ibdfiles
C. *.sdifiles
D. *.CSMfiles
E. ib_logfile*files

Answer: B,E

Explanation:
Explanation/Reference:
Reference: https://dev.mysql.com/doc/mysql-backup-excerpt/5.7/en/innodb-backup.html

NEW QUESTION 31
Examine this statement, which executes successfully:

You want to improve the performance of this query:

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 INDEX (Name);
C. ALTER TABLE world.city ADD INDEX (Population);
D. ALTER TABLE world.city ADD FULLTEXT INDEX (Name);
E. ALTER TABLE world.city ADD FULLTEXT INDEX (Population);
F. ALTER TABLE world.city ADD SPATIAL INDEX (Population);

Answer: F

Explanation:
Explanation/Reference: https://dev.mysql.com/doc/refman/5.7/en/creating-spatial-indexes.html

NEW QUESTION 32
You are upgrading a MySQL instance to the latest 8.0 version.
Examine this output:

You plan to add this parameter to the configuration:
innodb_directories=’/innodb_extras’
Which statement is true?

A. It defines all innodb tablespace options relative to a starting parent directory.
B. It moves all innodb tablespaces to the /innodb_extrasdirectory to enable a new innodb_data_home_dirto be defined.
C. It adds more temporary workspace in addition to the innodb_tmpdirlocation.
D. It is not necessary because innodb_data_home_diris already defined.
E. It allows scanning of other locations to discover more innodb tablespaces.

Answer: D

NEW QUESTION 33
You have an InnoDB Cluster configured with three servers.
Examine this command, which executes successfully:
mysqldump -uroot -p -d mydatabase > mydatabase_backup.sql
Due to data loss, the cluster is initialized and a restore is attempted resulting in this error:
ERROR 13176 (HY000) at line 23: Cannot update GTID_PURGED with the Group Replication plugin running Which two actions, either one of which, can fix this error and allow a successful restore of the cluster? (Choose two.)

A. Stop all instances except the primary read/write master instance and run the restore.
B. Remove the group replication plugin from each instance before restoring.
C. Restore using the --set-gtid-purged=OFF option.
D. Remove the @@GLOBAL.gtid_executed statement from the dump file.
E. Remove the @@GLOBAL.gtid_purged statement from the dump file.
F. Create the backup by using the --set-gtid-purged=OFF option.

Answer: E,F

NEW QUESTION 34
Which two are features of MySQL Enterprise Firewall? (Choose two.)

A. blocking of potential threats by configuring pre-approved whitelists
B. recording incoming SQL statement to facilitate the creation of a whitelist of permitted commands
C. automatic locking of user accounts who break your firewall
D. modifying SQL statement dynamically with substitutions
E. provides stateless firewall access to TCP/3306

Answer: A,D

NEW QUESTION 35
Examine this command and output:

Which two options will improve the security of the MySQL instance? (Choose two.)

A. Change the parent directory owner and group to mysql.
B. Remove world read privileges from the public_key.pemfile.
C. Remove group read/write privileges from the private_key.pemfile.
D. Remove the world read/execute privilege from the accountingdirectory.
E. Remove world read privileges from the server-cert.pemcertificate file.
F. Change the group ownership of the mysqldirectory to the mysqluser group.

Answer: A,F

NEW QUESTION 36
Where is the default data directory located after installing MySQL using RPM on Oracle Linux 7?

A. /usr
B. /var/lib/mysql
C. /usr/mysql
D. /etc/my.cnf
E. /usr/bin

Answer: E

NEW QUESTION 37
Which two statements are true about InnoDB data-at-rest encryption? (Choose two.)

A. It decrypts data for use in memory.
B. It supports only non-blob datatypes.
C. It supports all indexes transparently.
D. It enforces encryption from disk to memory and over network transmission.
E. It does not support the transportable tablespaces feature.

Answer: A,C

NEW QUESTION 38
There are five MySQL instances configured with a working group replication.
Examine the output of the group members:

Which two statements are true about network partitioning in the cluster? (Choose two.)

A. The group replication will buffer the transactions on the online nodes until the unreachable nodes return online.
B. The cluster has built-in high availability and updates group_replication_ip_whitelist to remove the unreachable nodes.
C. A manual intervention to force group members to be only the working two instances is required.
D. The cluster will shut down to preserve data consistency.
E. There could be both a 2 node and 3 node group replication still running, so shutting down group replication and diagnosing the issue is recommended.

Answer: B,D

NEW QUESTION 39
Which two commands will display indexes on the parts table in the manufacturing schema? (Choose two.)

A. DESCRIBE manufacturing.parts;
B. SELECT * FROM information_schema.COLUMN_STATISTICS;
C. SHOW INDEXES FROM manufacturing.parts;
D. EXPLAIN SELECT INDEXES FROM manufacturing.parts;
E. SELECT * FROM information_schema.statistics WHERE table_schema='manufacturing' AND TABLE_NAME='parts';

Answer: B,E

NEW QUESTION 40
You want to check the values of the sort_buffer_size session variables of all existing connections.
Which performance_schema table can you query?

A. global_variables
B. variables_by_thread
C. session_variables
D. user_variables_by_thread

Answer: C

NEW QUESTION 41
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_IDENTITY
C. PREFERRED
D. DISABLED
E. VERIFY_CA

Answer: A

NEW QUESTION 42
Examine this SQL statement:
mysql> GRANT r_read@localhost TO mark WITH ADMIN OPTION;
Which two are true? (Choose two.)

A. ADMIN OPTION allows Mark to drop the role.
B. Mark must connect from localhost to activate the r_read@localhost role.
C. Mark can grant the privileges assigned to the r_read@localhost role to another user.
D. Mark can revoke the r_read@localhost role from another role.
E. ADMIN OPTION causes the role to be activated by default.
F. Mark can grant the r_read@localhost role to another user.

Answer: A,C

NEW QUESTION 43
Which three actions are effective in capacity planning? (Choose three.)

A. buying more CPU
B. monitoring OS resources for patterns
C. adding circular replication nodes for increased DML capability
D. consulting the application team about any future projects and use
E. basing expected growth on an average of the last 3 years
F. buying more RAM
G. upgrading to the latest application version
H. buying more disk

Answer: B,D,E

NEW QUESTION 44
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. mysqlcheck --analyze --all-databases will execute normally on all tables and return a report.
C. If ANALYZE TABLE; is invoked from the same session, it hangs until the transaction is committed or rolled back.
D. If OPTIMIZE LOCAL TABLE t; is invoked from another session, it executes normally and returns the status.

Answer: D

NEW QUESTION 45
You reconfigure and start a slave that was not replicating for several days.
The configuration file and CHANGE MASTERcommand are correct.
Examine the GTID information from both master and slave:

Which statement is true?

A. Replication will fail because the slave has purged more aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa transactions than the master.
B. Replication will fail because of inconsistent numbers in cccccccc-cccc-cccc-cccc-cccccccccccc GTIDs.
C. Replication will fail because the master has already purged transactions with cccccccc-cccc-cccc- cccc-ccccccccccccGTIDs.
D. Replication will fail because the master does not have the required transaction with bbbbbbbb-bbbb- bbbb-bbbb-bbbbbbbbbbbbGTIDs in its binary logs.
E. Replication will work.

Answer: A

Explanation:
Explanation/Reference: https://bugs.mysql.com/bug.php?id=86643

NEW QUESTION 46
You execute this command:
shell> mysqlpump --exclude-databases=% --users
Which statement is true?

A. It creates a logical backup of all metadata, but contains no table data.
B. It creates a logical backup of all MySQL user accounts.
C. It returns an error because the mysqldumpcommand should have been used.
D. It creates a logical backup of only the usersdatabase.

Answer: A

Explanation:
Explanation/Reference: https://docs.oracle.com/cd/E17952_01/mysql-5.7-en/mysqlpump.html

NEW QUESTION 47
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Exam Dumps 1z1-908 Practice Free Latest Oracle Practice Tests [Q29-Q47]

How much Oracle 1Z0-908: MySQL 8.0 Database Exam Cost

Oracle 1z1-908 Exam Syllabus Topics:

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