從最新題庫、模擬考軟體到售後更新服務，Fast2test 提供 Oracle MySQL 2019 Implementation Essentials 一站式備考方案。1Z1-920 共 70 道練習題，2026 年準備考試所需的一切，在這裡一次備齊。

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問題 #1

Which best describes database horizontal scale-out architecture deployment in MySQL in a read-heavy environment?

A. Allocating more CPU to the database instance to improve throughput performance.
B. Increasing the storage capacity so that the database can store more data to scale.
C. Deploy MySQL read-only slaves utilizing replication so that the slaves can be used for reads.
D. Adding more MySQL servers and sharing the same dacadir on a shared storage component like NFS.
E. Increasing the memory capacity so that there is a larger pooling buffer to increase the database read performance.

問題 #2

Which statement would you use to remove the population column from the city table?

A. ALTER TABLE city DROP population;
B. ALTER TABLE city DELETE population;
C. DROP population FROM city;
D. DELETE population FROM city;
E. ALTER TABLE city LESS population;

問題 #3

Assume that MySQL Enterprise Monitor is configured to monitor MySQL 8.0.10 or a later instance. Which three features are available?

A. monitoring the availability of the MySQL Instance
B. deploying MySQL agent on supported target operating system
C. starting and stopping the MySQL instance
D. tracing import and export with mysqldump
E. analyzing executed MySQL queries
F. creating e-mail alerts and SNMP traps for MySQL warnings

問題 #4

Which three statements describe MySQL Enterprise Backup?

A. MySQL Enterprise Backup can be used to import/export data from on-premises MySQL installations.
B. MySQL Enterprise Backup is an optimized backup based on mysqldump with optimized row locking.
C. MySQL Enterprise Backup can be used to send backups to Oracle Cloud Infrastructure Storage Service.
D. MySQL Enterprise Backup offers backup based on Oracle RMAN with optimized row locking.
E. MySQL Enterprise Backup provides the point-in-time recovery functionality.

問題 #5

What are two ways in which customers can receive notifications such as outages, configuration changes, database emergencies, and other information on their Database as a Service instances?

A. Email
B. Direct support call from an Oracle representative
C. Browser pop-ups
D. Application-to-application messaging
E. SMS-notification tab on the dashboard

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