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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. You have been using mysqldump for logical backups of your MySQL databases. Your MySQL database size has been growing. Which two options can reduce the backup size and speed up the backup time?

A) Use MySQL Enterprise Backup with the - -compress option to compress the backup files and use - - compress-level to select the level of compression.
B) Use mysqldump with the - -changesonly option.
C) Use MySQL Enterprise Backup with the - -size=compress to compress the backup file.
D) Use mysqldump with - -incremental together with the - -compress option to back up incrementally based on previous full backup and compress the incremental backup files.
E) Use MySQL Enterprise Backup with the - - incremental policy to back up incrementally based on previous full backup.

2. You have a MySQL Server instance (running with Port# 3306) monitored by the Service Manager in MySQL Enterprise Monitor. You cloned the MySQL Database instance and configured it to be a replicated MySQL instance as Slave using Port# 3316 on the same machine as the Master Server. The replication configuration is working correctly. The Master and Slave Servers are running.
You are trying to add the newly created MySQL Slave instance to the Monitor. The Service Manager in MySQL Enterprise Monitor notifies you that the new instance is successfully added; however, it is not added correctly at the newly added configuration points to the old Master monitored items. The Monitor shows only one monitored MySQL instance for Master and Slave.
Which two are possible reasons for this problem?

A) The mysql.inventory table on SLAVE is cloned with the same content as MASTER, which has the same server UUID.
B) The mysql.instance table on SLAVE is cloned with the same content as MASTER, which has the same server UUID.
C) All the MySQL instances (Master and Slave) have the same server_uuid in <datadir>/auto.cnf.
D) The SLAVE and MASTER instances are started with the same configured value for the option - - monitor_server_uuid.
E) The MASTER and SLAVE are grouped as one instance for monitoring.

3. Which three statements describe MySQL Enterprise Backup?

A) MySQL Enterprise Backup offers backup based on Oracle RMAN with optimized row locking.
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 can be used to import/export data from on-premises MySQL installations.
E) MySQL Enterprise Backup provides the point-in-time recovery functionality.

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

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

5. Which two statements are true about the creation or use of a Virtual Cloud Network (VCN)?

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

Solutions: