Verified 1Z0-908 dumps Q&As - Pass Guarantee Exam Dumps Test Engine [2023]
1Z0-908 dumps and 142 unique questions
NEW QUESTION # 63
Examine this parameter setting:
audit_log=FORCE_LOG_PERMANENT
What effect does this have on auditing?
- A. It prevents the audit log from being removed or rotated.
- B. It prevents the audit plugin from being removed from the running server.
- C. It will force the load of the audit plugin even in case of errors at server start.
- D. It causes the audit log to be created if it does not exist.
Answer: B
NEW QUESTION # 64
You must run multiple instances of MySQL Server on a single host.
Which three methods are supported? (Choose three.)
- A. Run mysqld with --datadir defined for each instance.
- B. Run MySQL Server docker containers.
- C. Use systemd with different settings for each instance.
- D. Use system tools to lock each instance to its own CPU.
- E. Start mysqld or mysqld_safe using different option files for each instance.
- F. Use resource groups to lock different instances on separate CPUs.
Answer: A,C,E
NEW QUESTION # 65
Examine this statement and output:
You must try to reduce query execution time.
Which two queries should you focus on? (Choose two.)
- A. QN = 3
- B. QN = 2
- C. QN = 5
- D. QN = 1
- E. QN = 4
Answer: B,D
NEW QUESTION # 66
Examine this statement:
mysql> DROP ROLE r_role1, r_role2;
Which two are true? (Choose two.)
- A. It fails if any of the roles is specified in the mandatory_roles variable.
- B. Existing connections can continue to use the roles' privileges until they reconnect.
- C. It fails if you do not have the ADMIN OPTION of the roles r_role1 and r_role2.
- D. You must revoke all privileges from r_role1 and r_role2 before dropping the roles.
- E. It fails if at least one of the roles does not exist.
- F. You must revoke r_role1 and r_role2 from all users and other roles before dropping the roles.
Answer: B,C
NEW QUESTION # 67
Which statement is true about displaying and retrieving data with MySQL Enterprise Monitor Query Analyzer?
- A. It is possible to filter a Query Analyzer view graph by database and by table.
- B. It is possible to export statements included in a graph selection in CSV format.
- C. The Query Analyzer graph view range selector can extend to cover the same hour over multiple days.
- D. The Query Analyzer can plot a CPU utilization graph for remote hosts with a MySQL Enterprise Service Manager's built-in Agent installation.
Answer: B
NEW QUESTION # 68
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. Take a logical backup of the MySQL system.
- B. Take your backup from a slave of the MySQL system.
- C. Use the Clone Plugin to copy the data to another MySQL system.
- D. Take a physical backup of the MySQL system.
Answer: A
NEW QUESTION # 69
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. An error is returned.
- B. The minimum connection value is changed to 2000.
- C. The minimum value increases to 3000 and the maximum value increases to 4000.
- D. Only the minimum connection value is increased to 3000.
Answer: D
NEW QUESTION # 70
Which four are types of information stored in the MySQL data dictionary? (Choose four.)
- A. table definitions
- B. server configuration rollback
- C. view definitions
- D. InnoDB buffer pool LRU management data
- E. stored procedure definitions
- F. server runtime configuration
- G. access control lists
- H. performance metrics
Answer: A,B,C,E
NEW QUESTION # 71
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. 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;
- C. RESET MASTER;
SET GLOBAL gtid_purged=aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-10167; - D. RESET SLAVE;
SET GLOBAL gtid_purged=aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-10167; - E. RESET MASTER;
SET GLOBAL gtid_purged-aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-2312;
SET GLOBAL gtid_executed=aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa:1-10167;
Answer: E
NEW QUESTION # 72
Examine these statements and output:
Which statement is true?
- A. The user is authorized as the rsmith@localhost user.
- B. The user is logged in with --user=accounting as an option.
- C. The user is authenticated as the anonymous proxy user ''@'%'.
- D. The user failed to define a username and the connecting username defaulted to ''@'%'.
- E. The user is authorized as the accounting@localhost user.
Answer: A
NEW QUESTION # 73
You have a MySQL client installed on your Linux workstation with a default installation. You have your admin login credentials to connect to a MySQL server running Microsoft Windows on remote host
192.0.2.1:3306. You wish to connect directly to the world database.
Which four options need to be specified to complete this task with a single command? (Choose four.)
- A. --shared-memory-base-name=world
- B. --database=world
- C. --user=admin
- D. --socket=/tmp/mysql.sock
- E. --port=3306
- F. --password
- G. --host=192.0.2.1
- H. --protocol=pipe
- I. --protocol=UDP
Answer: A,F,G,H
NEW QUESTION # 74
Examine this partial output for InnoDB Cluster status:
Which statement explains the state of the instance deployed on host2?
- A. It has been removed from the cluster by using the command STOP GROUP_REPLICATION;
- B. It can rejoin the cluster by using the command dba.rebootClusterFromCompleteOutage()
- C. It has been expelled from the cluster because of a transaction error.
- D. It can be recovered from a donor instance on host3 by cloning using the command cluster.rejoinInstance ('<user>@host3:3377')
- E. It can rejoin the cluster by using the command cluster.addInstance('<user>@host3:3377')
Answer: B
NEW QUESTION # 75
A clean shutdown was performed with innodb_fast_shutdown=0.
While you were manipulating files, all files were accidentally deleted from the top-level data directory.
Which two files must be restored from backup to allow the DB to restart cleanly? (Choose two.)
- A. undo_001
- B. mysql.ibd
- C. ibdata1
- D. ib_logfile0
- E. ibtmp1
- F. ib_buffer_pool
Answer: B,F
NEW QUESTION # 76
Examine this command, which executes successfully:
Which two statements are true? (Choose two.)
- A. The backup operation will finish only when apply-log is executed.
- B. The backup operation will finish only when backup-and-apply-log is executed.
- C. The --backup-dir option holds temporary output, status, and metadata files.
- D. A raw backup is created.
- E. A single-file backup is created.
Answer: A,C
NEW QUESTION # 77
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 has not activated the role.
- C. The statement was blocked by MySQL Firewall.
- D. John needs to reconnect to the database.
Answer: B
NEW QUESTION # 78
A colleague complains about slow response time on your website.
Examine this query and output:
What is the most likely cause for the high number of lock waits?
- A. The Innodb Buffer pool is full.
- B. You use the InnoDB storage engine and statements wait while data is inserted.
- C. You use the MyISAM storage engine for most common tables.
- D. Your table accesses wait for the operating system level flush.
Answer: B
NEW QUESTION # 79
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