Oracle 1Z1-921考試大綱 & 1Z1-921下載

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要獲得認證，候選人必須通過1Z0-921考試，該考試由70個多項選擇問題組成。該考試由Oracle進行，可以在世界各地的Pearson Vue測試中心進行。為候選人提供了兩個小時的時間來完成考試，他們必須至少獲得63％的速度才能通過。通過考試後，候選人將獲得Oracle認證專家（OCS）證書，這證明了他們在MySQL實施和管理方面的熟練程度。該認證在全球範圍內得到認可，可以幫助專業人員在各種行業中提高職業生涯。

Oracle 1Z0-921 認證考試對於希望提升在資料庫管理行業的職業前景的專業人士來說是必備的。此認證驗證了他們在使用 MySQL 資料庫管理系統方面的專業知識，並展示了他們對專業發展的承諾。對於使用 MySQL 作為主要資料庫管理系統的組織來說，此認證也是有益的，因為它確保他們的員工具備管理和維護 MySQL 資料庫所需的必要技能。

>> Oracle 1Z1-921考試大綱 <<

Oracle 1Z1-921下載 & 1Z1-921權威認證

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最新的 Oracle MySQL 1Z1-921 免費考試真題 (Q24-Q29):

問題 #24
When should you perform a backup in a MySQL database?
Response:

A. Only when the database size exceeds a certain limit.
B. After critical data updates or before making significant changes to the database.
C. After every successful query execution.
D. Only during scheduled maintenance windows.

答案：B

問題 #25
You are testing a new application and want to use data masking but the database is empty. What option will generate dummy data for you to use for testing?

A. Alter the table with the statement: ALTER TABLE IMPORT DATA WITH data_masking plugin;
B. Use MySQL Enterprise High Availability to access one of the available data tables
C. Execute the sakila-data. sqi script to populate the database
D. Use mysqldump to import data from the sakila_dummy database sample data set.

答案：A

問題 #26
What are Security Lists in Oracle Cloud Infrastructure?

A. They allow administrators access to applications in the cloud and external servers.
B. They are essentially firewall rules that help control traffic between OCI instances.
C. Security lists are data encryption levels that control who can see the data.
D. They are user-role designations that assign rights to certain internal users and external users.
E. They contain rules established by HIPAA for securing end-user data.

答案：B

問題 #27
Which three are characteristics of the JSON data type?

A. It validates the JSON syntax on insert or merge.
B. Key or array references enable quick read-access to look up document elements directly.
C. It supports indexing directly against the JSON-defined column.
D. It is based on the TEXT data type.
E. Comparisons of JSON values are not case-sensitive.
F. A set of SQL functions substantially support the SQL utilization of the data type.

答案：A,B,C

問題 #28
Which two statements are true about the creation or use of a Virtual Cloud Network (VCN)?

A. You must have an IPSec VPN to connect to an Oracle Linux instance.
B. You must have an Internet gateway to connect to a public address on an Oracle Linux instance.
C. You can connect directly to an instance over the internet, without a public IP address.
D. Your instance does not have a public IP address, so you cannot connect with a public subnet.
E. You can connect directly to the VCN without a define subnet.

答案：C,E

問題 #29
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