Verified 1Z0-908 dumps Q&As 100% Pass in First Attempt Guaranteed Updated Dump from DumpsFree
Pass MySQL Database Administration 1Z0-908 Exam With 142 Questions
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 allows scanning of other locations to discover more innodb tablespaces.
- B. It adds more temporary workspace in addition to the innodb_tmpdir location.
- C. It defines all innodb tablespace options relative to a starting parent directory.
- D. It is not necessary because innodb_data_home_dir is already defined.
- E. It moves all innodb tablespaces to the /innodb_extras directory to enable a new innodb_data_home_dir to be defined.
Answer: D
NEW QUESTION # 33
Examine this SQL statement:
mysql> GRANT r_read@localhost TO mark WITH ADMIN OPTION;
Which two are true? (Choose two.)
- A. Mark can grant the r_read@localhost role to another user.
- B. ADMIN OPTION causes the role to be activated by default.
- C. ADMIN OPTION allows Mark to drop the role.
- D. Mark can grant the privileges assigned to the r_read@localhost role to another user.
- E. Mark can revoke the r_read@localhost role from another role.
- F. Mark must connect from localhost to activate the r_read@localhost role.
Answer: A,E
Explanation:
Explanation
https://dev.mysql.com/doc/refman/8.0/en/grant.html
NEW QUESTION # 34
Which two statements are true about the mysqld-auto.cnf file? (Choose two.)
- A. It is read and processed at the end of startup configuration.
- B. This file is for storing MySQL Server configuration options in ISON format.
- C. This file is for storing MySQL server_uuid values only.
- D. It is read and processed at the beginning of startup configuration.
- E. This file is for logging purposes only and is never processed.
- F. It is always updated with changes to system variables.
Answer: A,F
NEW QUESTION # 35
You reconfigure and start a slave that was not replicating for several days.
The configuration file and CHANGE MASTER command are correct. Examine the GTID information from both master and slave:
Which statement is true?
- A. Replication will fail because the master has already purged transactions with cccccccc-cccc-cccc- cccc-cccccccccccc GTIDs.
- B. Replication will fail because of inconsistent numbers in cccccccc-cccc-cccc-cccc-cccccccccccc GTIDs.
- C. Replication will fail because the master does not have the required transaction with bbbbbbbb-bbbb- bbbb-bbbb-bbbbbbbbbbbb GTIDs in its binary logs.
- D. Replication will work.
- E. Replication will fail because the slave has purged more aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa transactions than the master.
Answer: E
NEW QUESTION # 36
Which two statements are true about MySQL Enterprise Backup? (Choose two.)
- A. It can perform hot or warm backups.
- B. It creates logical backups.
- C. It supports backing up only table structures.
- D. It supports restoring to a remote MySQL system.
- E. It supports the creation of incremental backups.
- F. It supports backup of a remote MySQL system.
Answer: A,E
NEW QUESTION # 37
Which two statements are true about the binary log encryption feature? (Choose two.)
- A. It can be set at run time.
- B. It requires a keyring plugin.
- C. When enabled it encrypts existing binary logs.
- D. It encrypts any connecting slaves connection thread.
- E. It can be activated per session.
Answer: D,E
NEW QUESTION # 38
Which three are types of InnoDB tablespaces? (Choose three.)
- A. undo tablespaces
- B. redo tablespaces
- C. schema tablespaces
- D. encryption tablespaces
- E. data tablespaces
- F. temporary table tablespaces
Answer: D,E,F
NEW QUESTION # 39
Examine this query and output:
Which two statements are true? (Choose two.)
- A. The query returns exactly 125 rows.
- B. The optimizer estimates that 51 rows in the countrytable have Continent = ‘Asia’.
- C. It takes more than 8 milliseconds to sort the rows.
- D. The countrytable is accessed as the first table, and then joined to the city table.
- E. 35 rows from the city table are included in the result.
Answer: B,E
NEW QUESTION # 40
You have a MySQL system with 500 GB of data that needs frequent backups.
You use a mix of MyISAM and InnoDB storage engines for your data. Examine your backup requirement:
* The MySQL system being backed up can never be unavailable or locked to the client applications.
* The recovery from the backup must work on any system.
* Only 1 hour of data can be lost on recovery of the backup.
Which option fulfills all backup requirements?
- A. Use the Clone Plugin to copy the data to another MySQL system.
- B. Take a physical backup of the MySQL system.
- C. Take a logical backup of the MySQL system.
- D. Take your backup from a slave of the MySQL system.
Answer: C
NEW QUESTION # 41
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?
- A. Only the minimum connection value is increased to 3000.
- B. An error is returned.
- C. The minimum connection value is changed to 2000.
- D. The minimum value increases to 3000 and the maximum value increases to 4000.
Answer: A
NEW QUESTION # 42
Which two tools are available to monitor the global status of InnoDB locking? (Choose two.)
- A. SHOW STATUS;
- B. INFORMATION_SCHEMA.INNODB_METRICS
- C. INFORMATION_SCHEMA.STATISTICS
- D. SHOW ENGINE INNODB STATUS;
- E. INFORMATION_SCHEMA.INNODB_TABLESTATS
- F. SHOW TABLE STATUS;
Answer: C,E
NEW QUESTION # 43
Where is the default data directory located after installing MySQL using RPM on Oracle Linux 7?
- A. /usr/mysql
- B. /etc/my.cnf
- C. /var/lib/mysql
- D. /usr
- E. /usr/bin
Answer: E
NEW QUESTION # 44
Which two are characteristics of snapshot-based backups? (Choose two.)
- A. Snapshot backups can be used only in virtual machines.
- 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. There is no need for InnoDB tables to perform its own recovery when restoring from the snapshot backup.
- E. A separate physical copy must be made before releasing the snapshot backup.
Answer: A,E
NEW QUESTION # 45
Examine these statements, which execute successfully:
CREATE ROLE r_world_rd;
GRANT SELECT ON world.* TO r_world_rd;
CREATE USER john IDENTIFIED BY 'P@ssw0rd';
GRANT r_world_rd TO john;
Examine these statements issued by user John:
What is the reason for the error?
- A. The DBA needs to execute FLUSH PRIVILEGES.
- B. John needs to reconnect to the database.
- C. The statement was blocked by MySQL Firewall.
- D. John has not activated the role.
Answer: D
NEW QUESTION # 46
Which two statements are true about using MySQL Enterprise Monitor Query Analyzer? (Choose two.)
- A. It is possible to import data into the Query Analyzer from heterogeneous sources, such as CSV.
- B. It is possible to list and analyze statements in an arbitrary graph range selection from timeseries graphs.
- C. It is possible to configure the Query Analysis built-in advisor to get notified about slow query execution.
- D. The single query QRTi pie chart in the Query Analyzer view is based on the average execution of all statements.
- E. It is possible to retrieve a normalized statement, but never the exact statement that was executed.
Answer: B,C
NEW QUESTION # 47
You have just installed MySQL on Oracle Linux and adjusted your /etc/my.cnf parameters to suit your installation.
Examine the output:
What statement is true about the start attempt?
- A. systemd waited for 30 seconds before timing out and start up failed.
- B. MySQL server was not started due to a problem while executing process 2732.
- C. MySQL server continued to start up even though another process existed.
- D. systemd found the mysqld service disabled and failed to start it.
- E. systemd attempted to start mysqld, found another systemd mysqld process running, and shut it down.
Answer: E
NEW QUESTION # 48
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 INDEX (Name);
- B. ALTER TABLE world.city ADD FULLTEXT INDEX (Name);
- C. ALTER TABLE world.city ADD FULLTEXT INDEX (Population);
- D. ALTER TABLE world.city ADD SPATIAL INDEX (Name);
- E. ALTER TABLE world.city ADD SPATIAL INDEX (Population);
- F. ALTER TABLE world.city ADD INDEX (Population);
Answer: E
NEW QUESTION # 49
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?
- A. RESET SLAVE;
SET GLOBAL gtid_purged=aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-3820;
SET GLOBAL gtid_executed=aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-10300; - B. RESET MASTER;
SET GLOBAL gtid_purged-aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-2312;
SET GLOBAL gtid_executed=aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-10167; - C. RESET MASTER;
SET GLOBAL gtid_purged=aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-10167; - D. 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;
- E. RESET SLAVE;
SET GLOBAL gtid_purged=aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-10167;
Answer: B
NEW QUESTION # 50
Examine this statement, which executes successfully:
Now examine this query:
Which two statements can do this? (Choose two.)
- A. ALTER TABLE employees -
ADD INDEX (birth_date DESC); - B. ALTER TABLE employees -
ADD INDEX (birth_date); - C. ALTER TABLE employees -
ADD COLUMN birth_month tinyint unsigned GENERATED ALWAYS AS (birth_date->>'$.month') VIRTUAL NOT NULL, ADD INDEX (birth_month); - D. ALTER TABLE employees -
ADD COLUMN birth_month tinyint unsigned GENERATED ALWAYS AS (MONTH(birth_date)) VIRTUAL NOT NULL, ADD INDEX (birth_month); - E. ALTER TABLE employees -
ADD INDEX ((MONTH(birth_date))); - F. ALTER TABLE employees -
ADD INDEX ((CAST(birth_date->>'$.month' AS unsigned)));
Answer: A,C
NEW QUESTION # 51
You are using mysqlcheck for server maintenance.
Which two statements are true? (Choose two.)
- A. The mysqlcheck --repair --all-databases command can repair an InnoDB corrupted table.
- B. The mysqlcheck --analyze --all-databases command performs a series of checks to spot eventual table corruptions.
- C. The mysqlcheck --optimize --all-databases command reclaims free space from table files.
- D. The mysqlcheck command can be renamed mysqlrepair so that it repairs tables by default.
- E. The mysqlcheck --check --all-databases command takes table write locks while performing a series of checks.
Answer: B,D
NEW QUESTION # 52
Which step or set of steps can be used to rotate the error log?
- A. Rename the error log file on disk, and then execute FLUSH ERROR LOGS.
- B. Execute SET GLOBAL max_error_count = <number of messages at point to rotate>.
- C. Execute SET GLOBAL log_error = ‘<new error log file>’.
- D. Execute SET GLOBAL expire_logs_days=0to enforce a log rotation.
Answer: A
Explanation:
Explanation/Reference: https://blog.pythian.com/mysql-log-rotation/
NEW QUESTION # 53
Which two statements are true about InnoDB data-at-rest encryption? (Choose two.)
- A. It supports only non-blob datatypes.
- B. It supports all indexes transparently.
- C. It does not support the transportable tablespaces feature.
- D. It decrypts data for use in memory.
- E. It enforces encryption from disk to memory and over network transmission.
Answer: B,D
Explanation:
Explanation/Reference: https://docs.oracle.com/cd/E17952_01/mysql-8.0-en/faqs-tablespace-encryption.html
NEW QUESTION # 54
......
Oracle 1Z0-908 certification exam is designed for professionals who want to become certified MySQL 8.0 Database Administrators. MySQL 8.0 Database Administrator certification exam covers a wide range of topics, including installing, configuring, and managing MySQL 8.0 databases. 1Z0-908 exam is intended for individuals who have a strong understanding of relational database concepts and are familiar with SQL programming.
To take the Oracle 1z1-908 certification exam, candidates should have a strong foundation in database management, including knowledge of SQL and experience working with MySQL 8.0 databases. 1Z0-908 exam is intended for professionals who are seeking to advance their careers in database administration and demonstrate their expertise in managing MySQL databases. Successful completion of the exam demonstrates to employers and clients that the certified individual has the skills and knowledge required to manage and maintain a MySQL 8.0 database.
Oracle 1Z0-908 (MySQL 8.0 Database Administrator) Certification Exam is a highly sought-after certification in the information technology industry. MySQL 8.0 Database Administrator certification is designed to test the knowledge and skills of individuals who are interested in becoming a MySQL database administrator. 1Z0-908 exam is designed to evaluate a candidate's knowledge of database administration, security, backup and recovery, high availability, and performance tuning.
Pass 1Z0-908 Tests Engine pdf - All Free Dumps: https://dumpstorrent.dumpsfree.com/1Z0-908-valid-exam.html