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Oracle MySQL 2021 Implementation Essentials Sample Questions:

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

A) MySQL Replication Connector/J (ReplicationDriver) is provided to allow read capability on slave and write capability on master.
B) 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.
C) MySQL Enterprise Backup will back up from Slave automatically.
D) It provides multi-master access where the application can write and read data across the database servers.
E) It allows backup to be done on the slave without impacting the master.

2. Which four authentication protocols are allowed when using MySQL Enterprise Authentication?

A) authentication using SHA-256 password hashing
B) Simple Authentication and Security Layer
C) SECURID authentication and authorization identity
D) Native Windows services
E) connections through the local host via the UNIX socket file
F) authentication via Pluggable Authentication Modules (PAMs)

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

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

4. The slave connects to the master and asks for updated records. What command was issued for this to happen?

A) SLAVE RUN
B) SLAVE START
C) START SLAVE
D) RUN SLAVE
E) START RUN SLAVE

5. 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) whitelisting and substitution
C) random data substitution
D) strict or relaxed masking
E) dictionary substitution

Solutions: