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问题：多选题A Mysql instance is running on a dedicated server. Developers access the server from the same network subnet. Users access the database through an application that is running on a separate server in a DMZ. Which two will optimize the security of this s...
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问题：多选题What are three facts about backups with mysqldump?（）ACan back up a remote database serverBAllow a consistent backup to be takenCAre always faster to restore than binary backupsDAre able to back up specific items within a databaseECreate automatically c...
问题：单选题You want to start monitoring statistics on the distribution of storage engines that are being used and the average sizes of tables in the various databases. Some details are as follows: The Mysql instance has 400 databases. Each database on an average ...
问题：单选题Consider the following: Which statement best describes the meaning of the value for the key_len column?（）A It shows the total size of the index rowB It shows how many columns in the index are examinedC It shows the number of characters indexed in th...
问题：单选题You adjust a default configuration to the following /etc/my.cnf on a Linux installation:[mysqld] Loq-bin Binrylog_format=ROW You do not notice the spelling error in binrylog_format and restart your production server. How does the MySQL server behave wi...
问题：多选题Which two options describe how MySQL Server allocates memory?（）AThread memory is pre-allocated up to thread_cache_size for performanceBEach connection may have its own per-thread memory allocationsCGlobal memory resources are allocated at server startu...
问题：多选题Consider the events_% tables in performance Schema. Which two methods will clear or reset the collected events in the tables?（）AUsing DELETE statements, for example, DELETE FROM performance_schema.events_watis_currentBUsing the statement RESET PERFORMA...
问题：单选题You have taken a Logical Volume Manager (LVM) snapshot backup of a volume that contains the MySQL data directory. Why is it important to remove snapshots after completing a RAW backup in this way?（）A The snapshot size will continue to grow as changes t...
问题：多选题Mysqldump was used to create a single schema backup; Shell mysqldump –u root –p sakila sakila2013.sql Which two commands will restore the sakila database without interfering with other running database?（）AMysql＞ USE sakila; LOAD DATA INFILE 'sakila201...
问题：单选题Review the definition of the phone_list view. CHEATE OR REPLACE ALGORITHM=MERGE DEFINER= 'root'@localhost' SQL SECURITY DEFINER VIEW 'phone_list' AS SELECT e . id as id 'e . first_name AS 'first_name' 'e . last_name AS 'last_name' 'coalesce ( ph1.phone...
问题：多选题A general purpose MySQL instance is configured with the following options: —log-slow-queries —long-query-time=,0001 —log-slow-admin-queries —general-log —log-bin —binlog-format=STATEMENT —innodb-flush-log-at-trx-commit=1 Which three statements are true...
问题：多选题In a design situation, there are multiple character sets that can properly encode your data. Which three should influence your choice of character set?（）ASyntax when writing queries involving JOINSBMemory usage when working with the dataCCharacter set ...
问题：多选题Which two statements are true about setting the per-thread buffers higher than required?（）AMore memory per thread is beneficial in all scenariosBIt causes increased overhead due to initial memory allocationCIt can affect system stability during peak lo...
问题：单选题You use—login-path to access a MySQL server on a Linux installation. Which statement is true about the – login-path option that is created by using mysql_config_editor?（）A All system users have access to the MySQL server via—login path localB login-pat...
问题：单选题While reviewing the MySQL error log, you see occasions where MySQL has exceeded the number of file handles allowed to it by the operating system. Which method will reduce the number of file handles in use?（）A Activating the MySQL Enterprise thread pool...
问题：多选题Which two requirements would lead towards a high availability solution?（）AWhen uptime is criticalBWhen data must be refactoredCWhen application concurrency is staticDWhen data loss is unacceptableEWhen application is a single point of failure...
问题：多选题What are two methods of taking a binary backup of a Mysql Server using InnoDB storage engine?（）AFile system snapshotsBMysqldumpslowCMysqlhotcopyDMysqldump with – binary-data optionEMysql Enterprise Backup...
