You install a copy of Mysql 5.6

单项选择题 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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