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Oracle 1Z1-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. 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?

A)

B)

C)

2. MySQL Enterprise Masking and De-identification can hide or obfuscate sensitive data, by controlling how the data appears. Which three are MySQL Enterprise Masking and De-identification functions?

A) misspelling
B) random data substitution
C) dictionary substitution
D) strict or relaxed masking
E) whitelisting and substitution

3. Which query will find rows in a table that have no counterpart in another table?

A) SELECT left_tbl.*FROM left_tbl LEFT JOIN right_tbl ON left_tbl.id=right_tbl.idWHERE right_tbl.id IS NULL;
B) SELECT t1.name, t2.name2FROM employee t1 INNER JOIN info t2 WHERE t1.name=t2.name;
C) SELECT t1.name, t2.name2FROM employee AS t1 INNER JOIN info AS t2 ON t1.name= t2.name2;
D) SELECT *FROM table1 INNER JOIN table2 ON table1.id=table2.id WHERE table1.id=! table2.id;

4. Which three are characteristics of the JSON data type?

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

5. The MySQL Enterprise Monitor Agent requires a user configured in each MySQL instance that is being monitored with suitable privileges to collect information about the server.
Which statement is correct?

A) Monitoring metrics need super and root privileges because they are not available for a less-privileged user.
B) The super privilege is required when creating and populating the inventory table, as well as running statements such as show master logs or SHOW ENGINE INNODB STATUS.
C) The super privilege is required when starting, stopping, or restarting monitored MySQL databases.
D) MySQL Enterprise Monitor creates the required users automatically.

Solutions: