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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Which two methods help prevent MySQL security risks?

A) Transmit plain (unencrypted) data over networks.
B) Ensure that MySQL accounts have short and easy passwords.
C) Allow unauthorized clients to connect to the server.
D) Use the secure installation script "mysql_alays_secure_installation".
E) Grant only permissions that a user requires.
F) Use a firewall to control access to MySQL ports.

2. By using the asynchronous MySQL Replication architecture, data can be replicated to slaves. Identify three use cases of MySQL Replication.

A) MySQL Enterprise Backup will back up from Slave automatically.
B) It provides multi-master access where the application can write and read data across the database servers.
C) You can create a slave server for reporting applications, which get only read access to the slave servers. It off-loads the master server. Additional servers allow different database server configuration.
D) It allows backup to be done on the slave without impacting the master.
E) MySQL Replication Connector/J (ReplicationDriver) is provided to allow read capability on slave and write capability on master.

3. Which MySQL Enterprise Edition plug-in replaces real values with substitutes?

A) MySQL Enterprise Transparent Data Encryption (TDE)
B) MySQL Enterprise No-Login Authentication
C) MySQL Enterprise Scalability
D) MySQL Enterprise Audit
E) MySQL Enterprise Data Masking and De-identification

4. What are Security Lists in Oracle Cloud Infrastructure?

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

5. Which statement adds a column with the largest integer data type?

A) ALTER TABLE SCIENTIFIC ADD scientific_value DECIMAL(10,10);
B) ALTER TABLE SCIENTIFIC ADD scientific_value DECIMAL(15,10);
C) ALTER TABLE SCIENTIFIC ADD scientific_value BIGINT;
D) ALTER TABLE SCIENTIFIC ADD scientific_value INTEGER;

Solutions: