優秀的1Z0-921測試和資格考試中的領先提供商和快速下載1Z0-921：MySQL 2021 Implementation Essentials

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Oracle 1Z0-921（MySQL 2021實作基礎）考試是一項認證測試，旨在驗證個人在實施和管理MySQL數據庫方面的知識和技能。此考試適用於想要展示其MySQL數據庫實施能力的數據庫管理員、開發人員和IT專業人員。通過此考試可以幫助個人提升職業發展、獲得行業認可並增加收入。

>> 1Z0-921測試 <<

Oracle 1Z0-921考試指南 & 1Z0-921學習資料

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Oracle 1Z0-921考試，也被稱為MySQL 2021實施專業考試，是一個認證考試，測試您在實施和管理MySQL數據庫方面的知識和技能。這個考試是專為那些使用MySQL數據庫並希望展示他們在這個領域的專業知識的專業人士而設計的。對於在工作中使用MySQL的數據庫管理員、開發人員和顧問來說，這是一個流行的認證考試。

最新的 Oracle MySQL 1Z0-921 免費考試真題 (Q70-Q75):

問題 #70
After installing MySQL 8.0, you initialize the data directory with the --initialize command. Which two are places where you can find the root password?

A. The root_pw variable stored in the mysq1.install table.
B. As root, execute the show password command by using the SHA-256 password encryption plug-in.
C. The root password displayed on the screen via a [warning] message.
D. The root password inserted in the error log set by the --log-error=[file_name] variable
E. The root password is not given and is blank. You must manually set the root password.

答案：A,B

問題 #71
You need to load the MySQL Enterprise Audit plug-in at database startup and prevent the audit plug-in from being removed at run time.
Which two options should you include in the MySQL configuration file?

A. audit_log_permanent=ON
B. audit-log=FORCE_PLUS_PERMANENT
C. plugin-load=audit_log.so
D. plugin-audit=ON, ALWAYS
E. LOAD PLUGIN=AUDIT_LOG

答案：A,B

問題 #72
What SQL keyword must be specified when creating a foreign key constraint?

A. a TRIGGER on the child table for cascading delete statements
B. an index on the foreign key
C. a REFERENCES in the child table to the parent table
D. unique PRIMARY key values for both child and parent tables
E. the SET_FOREGIN variable in the my .cnf file

答案：A

問題 #73
Which two statements are true about MySQL Enterprise Firewall?

A. MySQL Enterprise Firewall shows only notifications blocked connections, which originated outside of your network's primary domain.
B. The firewall functionality is dependent upon SHA-256 and ANSI-specific functions built in to the mysql.firewall table. These functions cannot be deleted, even by the root user.
C. On Windows systems, MySQL Enterprise Firewall is controlled and managed by using the Windows Internet Connection Firewall control panel.
D. MySQL Enterprise Firewall is available only in MySQL Enterprise versions 5.7.10.and later.
E. System tables named firewall_users and firewall_whitelist in the mysql database provide persistent storage of firewall data.
F. Server-side plug-ins named MYSQL_FIREWALL_USERS and MYSQL_FIREWALL-WHITELIST implement INFORMATION_SCHEMA tables that provide views into the firewall data cache.

答案：E,F

問題 #74
The user 'fwuser'@'localhost% was registered with the MySQL Enterprise Firewall and was granted privileges for the SAKILA database. You executed the commands:

You want to clear the account whitelist for the * fwuser" @* localhost* user. Which statement should you run to accomplish this?