1z1-908 Exam Dumps, 1z1-908 Practice Test Questions [Q52-Q73]

NEW QUESTION 52
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 dat
a. 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?

NEW QUESTION 53
Examine this SQL statement:
mysql> GRANT r_read@localhost TO mark WITH ADMIN OPTION;
Which two are true? (Choose two.)

NEW QUESTION 54
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?

NEW QUESTION 55
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?

NEW QUESTION 56
You plan to install MySQL Server by using the RPM download.
Which two statements are true? (Choose two.)

NEW QUESTION 57
Examine these entries from the general query log:

All UPDATE statements reference existing rows.
Which describes the outcome of the sequence of statements?

NEW QUESTION 58
Which two storage engines provide a view of the data consistent with the storage system at any moment? (Choose two.)

NEW QUESTION 59
Examine these commands and output:

Which connection ID is holding the metadata lock?

NEW QUESTION 60
Which statement is true about displaying and retrieving data with MySQL Enterprise Monitor Query Analyzer?

NEW QUESTION 61
You want to log only the changes made to the database objects and data on the MySQL system.
Which log will do this by default?

NEW QUESTION 62
You issue this command:
SHOW SLAVE STATUS –
In the output, there is a value for Seconds_behind_master.
How is this time calculated?

NEW QUESTION 63
The data in this instance is transient; no backup or replication will be required. It is currently under performing.
* The database size is static and including indexes is 19G.
* Total system memory is 32G.
After profiling the system, you highlight these 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.)

NEW QUESTION 64
Which two statements are true about the mysql_config_editor program? (Choose two.)

NEW QUESTION 65
Examine this command and output:

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

NEW QUESTION 66
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?

NEW QUESTION 67
Examine these statements and output:

Which statement is true?

NEW QUESTION 68
Which two are valid uses for binary logs on a MySQL instance? (Choose two.)

NEW QUESTION 69
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.)

NEW QUESTION 70
Which two statements are true about MySQL Enterprise Backup? (Choose two.)

NEW QUESTION 71
Examine these statements and output:

Which statement is true?

NEW QUESTION 72
Examine these commands and output:

Which connection ID is holding the metadata lock?

NEW QUESTION 73
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?