搜题

【单选题】

Consider the MySQL Enterprise Audit plugin. On attempting to start the MySQL service after a crash, notice the following error: [ERROR] Plugin ‘audit_log’ init function returned error. In the audit log file, you notice the final entry: … <img src="https://nimg.ppkao.com/2018-08/tangxueping/2018080117174554557.jpg?sign=85453f4ea3885c488419617410f78769&t=62d34ce5" /> What action should you take to fix the error and allow the service to start?（）

A、Re-install the audit plugin

B、Execute the command FLUSH LOGS

C、Execute the command SET GLOBAL audit_log_fiush= ON

D、Move or rename the existing audit.log file

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更多“ Consider the MySQL Enterprise Audit plugin. On attempting to start the MySQL service after a crash, notice the following error: [ERROR] Plugin ‘audit_log’ init function returned error. In the audit log file, you notice the final entry: … <img src="https://nimg.ppkao.com/2018-08/tangxueping/2018080117174554557.jpg?sign=85453f4ea3885c488419617410f78769&t=62d34ce5" /> What action should you take to fix the error and allow the service to start?（）”相关的问题

第1题

[单选题] Consider the Mysql Enterprise Audit plugin. A CSV file called data.csv has 100 rows of data. The stored procedure prepare_db ( ) has 10 auditable statements. You run the following statements in the mydb database: Mysql＞ CALL prepare_db ( ); Mysql＞ LOAD DATA INFILE '/tmp/data.cav' INTO TABLE mytable; Mysql＞ SHOW TABLES; How many events are added to the audit log as a result of the preceding statements?（）

A、12; only top-level statements and stored procedure events are logged B、111; top-level statements and all lower-level statements are logged C、3; only the top-level statements are logged D、102; top-level statements are logged, but LOAD DATA INFILE is logged as a separate event

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第2题

[] Consider typical High Availability (HA) solutions that do not use shared storage. Which three HA solutions do not use shared storage?（）

A、A.Mysql NDB Cluster B、B.Mysql Replication C、C.Distributed Replicated Block Device (DRBD) and Mysql D、D.Windows Cluster and Mysql E、E.Solaris Cluster and Mysql

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第3题

[] Consider the MySQL Enterprise Audit plugin, You add the following lines to the my.cnf configuration tile: [mysqld] Plugin-load=audit_log.so Audit-log=FORCE_PLUS_PERMANENT You attempt to start up the MySQL service and notice that it fails to start. Which two statements would explain why the service did not start?（） Consider the MySQL Enterprise Audit plugin, You add the following lines to the my.cnf configuration tile: [mysqld] Plugin-load=audit_log.so Audit-log=FORCE_PLUS_PERMANENT You attempt to start up the MySQL service and notice that it fails to start. Which two statements would explain why the service did not start?（）

A、A.FORCE_PLUS_PERMANENT is not valid for the audit-log option B、B.The audit_log.so library does not exist C、C.The audit_log.so library is in a location that is different from that defined by the plugin_dir option D、D.The audit plugin must be loaded dynamically by using the INSTALL PLUGIN command E、E.The audit log file does not exist in which to write audit events F、F.The audit_log.so library is not an executable file

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第4题

[单选题] MySQL is installed on a Linux server and has the following configuration: What is the purpose of changing ownership of datadir to the ‘mysql’ user?（）

A、MySQL requires correct file ownership while remaining secure B、MySQL needs to be run as the root user, but file cannot be owned by it C、MySQL cannot be run as the root user

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第5题

[] Consider the events_% tables in performance Schema. Which two methods will clear or reset the collected events in the tables?（） Consider the events_% tables in performance Schema. Which two methods will clear or reset the collected events in the tables?（）

A、A.Using DELETE statements, for example, DELETE FROM performance_schema.events_watis_current B、B.Using the statement RESET PERFORMANCE CACHE C、C.Using the statement FLUSH PERFORMANCE CACHE D、D.Using TRUNCATE statements, for example, TRUNATE TABLE performance_schema.events_waits_current E、E.Disabling and re-enabling all instruments F、F.Restarting Mysql

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第6题

[单选题] You install a copy of Mysql 5.6.13 on a brand new Linux server by using RPM packages. The server starts successfully as verified by the following commands: $ pidof mysqld 3132 $tail – n2 /var/lib.mysql/hostname.err 2013-08-18 08:18:38 3132 [Note] /usr/sbin/mysqld:ready for connections. Version: '5.6.13-enterprise-commercial-advaced' socket:'/tmp/mysql.sock' port; 3306 Mysql Enterprise Server – Advanced Edition (Commercial) You attempt to log in as the root user with the following command: $mysql – u root ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO) Which statement is true about this scenario?（）

A、The RPM installation script sets a default password of password for new installations B、The local root user must log in with a blank password initially: mysql –u root –p C、New security measures mean that the mysql_secure_installation script must be run first on all new installations D、The mysql_install_bd post-installation script used – random-password

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第7题

[单选题] You execute the following statement in a Microsoft Windows environment. There are no conflicts in the path name definitions. C: \＞ mysqld – install Mysql56 – defaults – file = C :\my –opts.cnf What is the expected outcome?（）

A、Mysql is installed as the Windows service name Mysql56, and uses c: \my-opts.cnf as the configuration file B、An error message is issued because – install is not a valid option for mysqld C、A running Mysql 5.6 installation has its runtime configuration updated with the server variables set in c: \my-opts.cnf D、Mysqld acts as an MSI installer and installs the Mysql 5.6 version, with the c: \my-opts.cnf configuration file

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第8题

[单选题] Consider the query: Mysql＞ SET @run = 15; Mysql＞ EXPLAIN SELECT objective, stage, COUNT (stage) FROM iteminformation WHERE run=@run AND objective=’7.1’ GROUP BY objective,stage ORDER BY stage; The iteminformation table has the following indexes; Mysql＞ SHOW INDEXES FROM iteminformation: This query is run several times in an application with different values in the WHERE clause in a growing data set. What is the primary improvement that can be made for this scenario?（）

A、Do not pass a user variable in the WHERE clause because it limits the ability of the optimizer to use indexes B、Add an index on the objective column so that is can be used in both the WHERE and GROUP BY operations C、Drop the run_2 index because it has caused a conflict in the choice of key for this query D、Execute the run_2 index because it has caused a conflict in the choice of key for this query E、Add a composite index on (run,objective,stage) to allow the query to fully utilize an index

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第9题

[单选题] A user executes the statement; PURGE BINARY LOGS TO 'mysql-bin.010'; What is the result?（）

A、It deletes all binary log files, except 'mysql-in.010' B、It deletes all binary log files up to and including 'mysql-bin.010' C、It deletes all binary log files before 'mysql-bin.010' D、It deletes all binary log files after 'mysql-bin.010'

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