(2023) 1Z0-908 Exam Dumps, Practice Test Questions BUNDLE PACK [Q19-Q33]

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(2023) 1Z0-908 Exam Dumps, Practice Test Questions BUNDLE PACK

MySQL Database Administration Certification 1Z0-908 Sample Questions Reliable

Q19. The mysqld instance has the connection control plugin enabled with these settings:
connection_control_min_connection_delay=1000 connection_control_max_connection_delay=2000 The minimum and maximum delays need to be increased to 3000 and 5000, respectively.
A command is executed:
mysql> SET GLOBAL connection_control_min_connection_delay=3000;
What is the result?

The minimum value increases to 3000 and the maximum value increases to 4000.

Only the minimum connection value is increased to 3000.

The minimum connection value is changed to 2000.

An error is returned.

Q20. Which two statements are true about InnoDB data-at-rest encryption? (Choose two.)

It supports only non-blob datatypes.

It does not support the transportable tablespaces feature.

It supports all indexes transparently.

It decrypts data for use in memory.

It enforces encryption from disk to memory and over network transmission.

Q21. You have configured GTID-based asynchronous replication with one master and one slave.
A user accidentally updated some data on the slave.
To fix this, you stopped replication and successfully reverted the accidental changes. Examine the current GTID information:

You must fix GTID sets on the slave to avoid replicating unwanted transactions in case of failover. Which set of actions would allow the slave to continue replicating without erroneous transactions?

RESET MASTER;
SET GLOBAL gtid_purged=aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-10167;

SET GLOBAL gtid_purged=aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-2312,bbbbbbbb- bbbb-bbbb-bbbb-bbbbbbbbbbbb:1-9; SET GLOBAL gtid_executed=aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-10167;

RESET SLAVE;
SET GLOBAL gtid_purged=aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-3820;
SET GLOBAL gtid_executed=aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-10300;

RESET MASTER;
SET GLOBAL gtid_purged-aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-2312;
SET GLOBAL gtid_executed=aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-10167;

RESET SLAVE;
SET GLOBAL gtid_purged=aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-10167;

Q22. Which two queries are examples of successful SQL injection attacks? (Choose two.)

SELECT user,passwd FROM members
WHERE user = ‘?’;INSERT INTO members(‘user’,’passwd’) VALUES
(‘[email protected]’,’secret’);–‘;

SELECT id, name FROM user WHERE user.id=(SELECT members.id FROM members);

SELECT id, name FROM user WHERE id=23 OR id=32 OR 1=1;

SELECT id, name FROM user WHERE id=23 OR id=32 AND 1=1;

SELECT email,passwd FROM members
WHERE email = ‘INSERT INTO members(’email’,’passwd’) VALUES (‘[email protected]’,
‘secret’);–‘;

SELECT user, phone FROM customers WHERE name = ‘; DROP TABLE users; –‘;

Q23. You have configured GTID-based asynchronous replication with one master and one slave.
A user accidentally updated some data on the slave.
To fix this, you stopped replication and successfully reverted the accidental changes.
Examine the current GTID information:

You must fix GTID sets on the slave to avoid replicating unwanted transactions in case of failover.
Which set of actions would allow the slave to continue replicating without erroneous transactions?
RESET MASTER;

SET GLOBAL gtid_purged=aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-10167;
SET GLOBAL gtid_purged=aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-2312,bbbbbbbb-

bbbb-bbbb-bbbb-bbbbbbbbbbbb:1-9;
SET GLOBAL gtid_executed=aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-10167;
RESET SLAVE;

SET GLOBAL gtid_purged=aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-3820;
SET GLOBAL gtid_executed=aaaaaaaa-aaaa-aaaa-aaaa—aaaaaaaaaaaa:1-10300;
RESET MASTER;

SET GLOBAL gtid_purged-aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-2312;
SET GLOBAL gtid_executed=aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-10167;
RESET SLAVE;

SET GLOBAL gtid_purged=aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-10167;

Q24. An attempt to recover an InnoDB Cluster fails.
Examine this set of messages and responses:
host3:3377 ssl JS > dba.rebootClusterFromCompleteOutage()
Reconfiguring the default cluster from complete outage…
The instance ‘host1:3377’’ was part of the cluster configuration.
Would you like to rejoin it to the cluster? [y/N]: y
The instance ‘host2:3377’ was part of the cluster configuration.
Would you like to rejoin it to the cluster? [y/N]: y
Dba.rebootClusterFromCompleteOutage: The active session instance isn’t the most updated in comparison with the ONLINE instances of the Cluster’s metadata. Please use the most up to date instance: ‘host1:3377’. (RuntimeError) Which statement is true?

The instance deployed on host3must be rebuilt with a backup from the primary instance.

The cluster is running and there is at least one ONLINEinstance.

The instance deployed on host3must be synchronized from a donor deployed on host1by using the command cluster.addInstance(‘host1:3377’).

It is possible to determine the most up-to-date instance by comparing different global transaction identifier (GTID) sets with GTID_SUBSET(set1,set2).

The active session instance is invalid and must be re-created by using the command shell.connect (‘host3:3377’).

Q25. Which two are contained in the InnoDB system tablespace (ibdata1) by default? (Chose two.)

table data

primary indexes

user privileges

InnoDB Data Dictionary

change buffer

doublewrite buffer

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

Q26. Which two are true about binary logs used in asynchronous replication? (Choose two.)

They are pushed from the master to the slave.

They contain events that describe database changes on the master.

They contain events that describe all queries run on the master.

They contain events that describe only administrative commands run on the master.

They are pulled from the master to the slave.

Explanation/Reference: https://www.oracle.com/technetwork/community/developer-day/mysql-replication-presentation-
485890.pdf (14)

Q27. You plan to take daily full backups, which include the ndbinfo and sys (internal) databases.
Which command will back up the databases in parallel?

mysqldump –single-transaction > full-backup-$(date +%Y%m%d).sql

mysqlpump –include-databases=% > full-backup-$(date +%Y%m$d).sql

mysqlpump –all-databases > full-backup-$(date +%Y%m%d).sql

mysqldump –all-databases > full_backup-$(date +%Y%m%d).sql

Q28. An attempt to recover an InnoDB Cluster fails.
Examine this set of messages and responses:
host3:3377 ssl JS > dba.rebootClusterFromCompleteOutage() Reconfiguring the default cluster from complete outage…
The instance ‘host1:3377” was part of the cluster configuration. Would you like to rejoin it to the cluster? [y/N]: y The instance ‘host2:3377’ was part of the cluster configuration. Would you like to rejoin it to the cluster? [y/N]: y Dba.rebootClusterFromCompleteOutage: The active session instance isn’t the most updated in comparison with the ONLINE instances of the Cluster’s metadat a. Please use the most up to date instance: ‘host1:3377’. (RuntimeError) Which statement is true?

The instance deployed on host3 must be rebuilt with a backup from the primary instance.

The cluster is running and there is at least one ONLINE instance.

The instance deployed on host3 must be synchronized from a donor deployed on host1 by using the command cluster.addInstance(‘host1:3377’).

It is possible to determine the most up-to-date instance by comparing different global transaction identifier (GTID) sets with GTID_SUBSET(set1,set2).

The active session instance is invalid and must be re-created by using the command shell.connect (‘host3:3377’).

Q29. How can mysql_multi be configured to allow MySQL instances to use the same port number?

The instances use different user accounts unique to each instance.

The instances listen on different IP addresses.

The instances use different socket names.

The instances have appropriate net masks set.

Q30. Examine this statement and output:

You must try to reduce query execution time.
Which two queries should you focus on? (Choose two.)

QN = 3

QN = 5

QN = 1

QN = 4

QN = 2

Q31. Which statement is true about displaying and retrieving data with MySQL Enterprise Monitor Query Analyzer?

The Query Analyzer graph view range selector can extend to cover the same hour over multiple days.

It is possible to filter a Query Analyzer view graph by database and by table.

The Query Analyzer can plot a CPU utilization graph for remote hosts with a MySQL Enterprise Service Manager’s built-in Agent installation.

It is possible to export statements included in a graph selection in CSV format.

Q32. Examine this command, which executes successfully:

Which statement is true?

Only files for MySQL or Its built-in storage engines are backed

Only non-encrypted files are backed up.

The backup includes only data files and their metadata.

Only InnoDB data and log files are backed up.

Only tables stored in their own tablespaces are backed up.

Q33. Which two statements are true about raw binary backups? (Choose two.)

They are converted to a highly compressible binary format.

The data format is identical to how MySQL stores the data on disk.

They are required to obtain FIPS security compliance.

The resulting files are easily human readable.

They are faster than logical backups because the process is a simple file or file system copy.

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Oracle 1z1-908: MySQL 8.0 Database Administrator is a certification exam designed for database administrators who want to validate their skills and knowledge in managing and maintaining MySQL 8.0 databases. 1Z0-908 exam covers a wide range of topics, including installation, configuration, security, backup and recovery, performance tuning, and high availability. Passing 1Z0-908 exam will demonstrate your proficiency in MySQL database administration and enhance your career prospects in the field.

Oracle 1Z0-908 (MySQL 8.0 Database Administrator) Certification Exam is designed to test the knowledge and skills of database administrators who work with MySQL 8.0. 1Z0-908 exam is intended for professionals who have experience in the installation, configuration, and management of MySQL databases. It is also suitable for those who are seeking to enhance their knowledge and skills in managing MySQL databases.

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(2023) 1Z0-908 Exam Dumps, Practice Test Questions BUNDLE PACK [Q19-Q33]

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