1Z0-908 Exam Questions
85 real 1Z0-908 exam questions with expert-verified answers and explanations. Page 1 of 2.
- Question #1Replication
Which two statements are true about MySQL server multi-source replication? (Choose two.)
multi-source replicationGTID replicationconflict resolutionreplication configuration - Question #2Security
Which command enables rule-based MySQL Auditing capabilities?
audit_log pluginrule-based auditingaudit_log_filtersecurity installation - Question #3Security
Examine this SQL statement: mysql> GRANT r_read@localhost TO mark WITH ADMIN OPTION; Which two are true? (Choose two.)
Role-based access controlGRANT statementADMIN OPTIONUser authorization - Question #4MySQL Architecture
Which four are types of information stored in the MySQL data dictionary? (Choose four.)
MySQL data dictionarymetadata storagesystem catalogschema objects - Question #5High Availability and Scalability
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 l...
InnoDB ClusterGTID_PURGEDGroup Replicationmysqldump restore - Question #6Security
Which statement is true about MySQL Enterprise Transparent Data Encryption (TDE)?
TDEKey ManagementMySQL EnterpriseData Encryption - Question #7Installation and Configuration
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 st...
InnoDB directoriesConfiguration parametersMySQL 8.0Tablespace - Question #8Security
You wish to store the username and password for a client connection to MySQL server in a file on a local file system. Which is the best way to encrypt the file?
mysql_config_editorcredential storage.mylogin.cnfoption file encryption - Question #9Backup and Recovery
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.)
mysqlbackup.ibd filesib_logfileInnoDB full backup - Question #10MySQL Architecture
You made some table definition changes to a schema in your MySQL Server. Which two statements reflect how MySQL Server handles the table definition changes? (Choose two.)
SDIInnoDB metadatatable definitionmetadata storage - Question #11Backup and Recovery
Which two are characteristics of snapshot-based backups? (Choose two.)
snapshot backupsvirtual machinesphysical copiesbackup persistence - Question #12Installation and Configuration
You must run multiple instances of MySQL Server on a single host. Which three methods are supported? (Choose three.)
Multiple InstancesConfiguration FilessystemdData Directory - Question #13High Availability and Scalability
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...
Group ReplicationNetwork PartitioningQuorum ConsensusHigh Availability - Question #14Installation and Configuration
Where is the default data directory located after installing MySQL using RPM on Oracle Linux 7?
RPM installationdata directoryOracle Linuxdefault paths - Question #15Installation and Configuration
A user wants to connect without entering his or her username and password on the Linux command prompt. Which three locations can be used to store the user's mysql credentials to sa...
option filescredential storage.my.cnfMySQL configuration files - Question #16Performance Tuning
It is a non-empty InnoDB table. Examine these statements, which are executed in one session: BEGIN; SELECT * FROM t FOR UPDATE; Which is true?
InnoDB LockingTransaction IsolationTable MaintenanceLock Compatibility - Question #17Security
Which two MySQL Server accounts are locked by default? (Choose two.)
account lockingdefault security configurationsystem accountsstored programs - Question #18Security
Examine this SQL statement: Which set of privileges will allow Tom to execute this SQL statement?
MySQL GRANT privilegesAuthorization hierarchyTable-level permissionsPrivilege combinations - Question #19Monitoring
Examine these commands and output: Which connection ID is holding the metadata lock?
metadata locksconnection identificationlock diagnosticsdatabase monitoring - Question #20Replication
Which two are true about binary logs used in asynchronous replication? (Choose two.)
Binary LogsAsynchronous ReplicationMaster-Slave ArchitectureEvent Streaming - Question #21Security
Which two queries are examples of successful SQL injection attacks? (Choose two.)
SQL InjectionAuthentication BypassQuery ManipulationInput Validation - Question #22Backup and Recovery
You execute this command: shell> mysqlpump --exclude-databases=% --users Which statement is true?
mysqlpumplogical backup--exclude-databases--users option - Question #23MySQL Architecture
Which two are contained in the InnoDB system tablespace (ibdata1) by default? (Chose two.)
InnoDB system tablespaceibdata1doublewrite bufferInnoDB data dictionary - Question #24High Availability and Scalability
Which two MySQL Shell commands are excluded from the InnoDB Cluster creation procedure? (Choose two.)
InnoDB ClusterMySQL Shell AdminAPIdba.createClustercluster setup procedure - Question #25Security
Examine this statement: mysql> DROP ROLE r_role1, r_role2; Which two are true? (Choose two.)
rolesDROP ROLEmandatory_rolesADMIN OPTION - Question #26Security
Examine these statements and output: Which statement is true?
User AuthenticationAuthorizationMySQL User AccountsAccess Control - Question #27Security
Which two statements are true about InnoDB data-at-rest encryption? (Choose two.)
data-at-rest encryptionInnoDB tablespace encryptiontransparent encryptionmemory decryption - Question #28Installation and Configuration
You plan to install MySQL Server by using the RPM download. Which two statements are true? (Choose two.)
RPM installationMySQL packagestemporary root passworderror log - Question #29Backup and Recovery
You plan to take daily full backups, which include the ndbinfo and sys (internal) databases. Which command will back up the databases in parallel?
mysqlpumpparallel backupndbinfo databasesys database - Question #30Backup and Recovery
A valid raw backup of the shop.customers MyISAM table was taken. You must restore the table. You begin with these steps: 1. Confirm that secure_file_priv='/var/tmp' 2. mysql> DROP...
MyISAM restorationraw backup recoveryIMPORT TABLEsecure_file_priv - Question #31Monitoring
You want to check the values of the sort_buffer_size session variables of all existing connections. Which performance_schema table can you query?
performance_schemavariables_by_threadsession variablessort_buffer_size - Question #32MySQL Architecture
Examine these statements, which execute successfully: TRUNCATE test; BEGIN; INSERT INTO test(id, name) VALUES(1, "Hello"); ROLLBACK; SELECT id FROM test; Which three storage engine...
storage enginesTRUNCATE transactionalityROLLBACK behaviorNDB MyISAM BLACKHOLE - Question #33Backup and Recovery
Examine this command, which executes successful mysqlbackup --defaults-file=/backups/server-my.cnf --backup-dir=/backups/full copy-back Which statement is true about the copy-back...
mysqlbackupcopy-backrestore operationMEB backup directory - Question #34High Availability and Scalability
Which three actions are effective in capacity planning? (Choose three.)
Capacity PlanningResource MonitoringTrend AnalysisForecasting - Question #35High Availability and Scalability
An attempt to recover an InnoDB Cluster fails. Examine this set of messages and responses: host3:3377 ssl JS > dba.rebootClusterFromCompleteOutage() Reconfiguring the default clust...
InnoDB Cluster RecoveryCluster Outage HandlingInstance SynchronizationGTID - Question #36Advanced Features
Your MySQL server was upgraded from an earlier major version. The sales database contains three tables, one of which is the transactions table, which has 4 million rows. You are ru...
InnoDB Compressioninnodb_row_formatinnodb_file_per_tableDisk Space Management - Question #37Replication
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 ma...
GTID replicationgtid_purgedbinary log purgereplication failure diagnosis - Question #38Performance Tuning
Which three settings control global buffers shared by all threads on a MySQL server? (Choose three.)
global bufferskey_buffer_sizeinnodb_buffer_pool_sizeper-thread vs shared memory - Question #39Backup and Recovery
Examine this command, which executes successfully: cluster.addInstance(`<user>@<host>:<port>', {recoveryMethod: `clone'}) Which three statements are true? (Choose three.)
clone recovery methodInnoDB ClusterBACKUP_ADMIN privilegeredo log rotation - Question #40Monitoring
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?
InnoDB lock waitsrow lockingconcurrent writesperformance diagnosis - Question #41Performance Tuning
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...
innodb_buffer_pool_sizeinnodb_doublewritedisk I/O optimizationtransient data tuning - Question #42Performance Tuning
Which statement is true about InnoDB persistent index statistics?
InnoDB statisticsinnodb_stats_persistent_sample_pagesindex statisticsexecution plans - Question #43Security
Which two are features of MySQL Enterprise Firewall? (Choose two.)
MySQL Enterprise FirewallSQL whitelistthreat blockingstatement filtering - Question #44Replication
Examine the modified output: Seconds_Behind_ Master value is steadily growing. What are two possible causes? (Choose two.)
Seconds_Behind_Master metricReplication lag analysisParallel replication processingI/O latency vs queue size - Question #45Security
You must configure the MySQL command-line client to provide the highest level of trust and security when connecting to a remote MySQL Server. Which value of --ssl-mode will do this...
ssl-modeVERIFY_IDENTITYclient SSLsecure connection - Question #46Security
Examine this command and output: Which two options will improve the security of the MySQL instance? (Choose two.)
file permissionsownership configurationaccess controlsecurity hardening - Question #47Performance Tuning
You are using mysqlcheck for server maintenance. Which two statements are true? (Choose two.)
mysqlcheck utilitytable maintenanceInnoDB limitationsserver optimization - Question #48Monitoring
A MySQL server is monitored using MySQL Enterprise Monitor's agentless installation. Which three features are available with this installation method? (Choose three.)
MySQL Enterprise Monitoragentless monitoringmonitoring featuresmonitoring scope - Question #49Backup and Recovery
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 My...
Logical BackupsBackup AvailabilityPoint-in-Time RecoveryStorage Engine Compatibility - Question #50MySQL Architecture
Examine these entries from the general query log: All UPDATE statements reference existing rows. Which describes the outcome of the sequence of statements?
InnoDB lockingdeadlock detectioninnodb_lock_wait_timeouttransaction concurrency