Oracle 1Z1-921 Actual Tests : MySQL 2021 Implementation Essentials

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Oracle 1Z1-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Which two statements are true about MySQL Enterprise Authentication?

A) MySQL Enterprise Authentication makes it more difficult to set up security because you have different sets of security policies.
B) MySQL Enterprise Authentication supports Windows Active Directory.
C) MySQL Enterprise Authentication supports Linux Pluggable Authentication Modules (PAM).
D) MySQL Enterprise Authentication determines what operation the user can perform.
E) MySQL Enterprise Edition automatically connects to Oracle Password Vault to verify user passwords..

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

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

3. Which Oracle product is certified to work with MySQL Enterprise Edition?

A) Oracle Enterprise Backup
B) Oracle Data Pump
C) Oracle Application Express
D) Oracle Enterprise Manager

4. An existing MySQL Database environment has been doing backup and restore in a logical way by using the mysq1dump and mysq1 client utilities. When the backup is started using mysqldump with single-transaction mode, the existing application has long wait time. When the restore is required, it takes more than three hours to restore.
What two are benefits of using mysqlbackup from MySQL Enterprise Backup in this situation?

A) mysqlbackup from MySQL Enterprise Backup allows logical backup with concurrency built in to get faster backup speed and restoration speed.
B) mysqlbackup can back up tables with the InnoDB engine without blocking. The backup is hot with InnoDB. Together with Incremental Backup, mysqlbackup from MySQL Enterprise Backup shortens the backup windows.
C) mysqlbackup utilities dump the full database into a SQL file, which is imported into the mysql client in single-thread mode. mysqlbackup restores data from physical backups. Physical backup methods are faster than logical methods because they involve only file coping without conversion.
D) MySQL Enterprise Backup provides tape backup integration by default. It has the virtual tape option, which allows backup to tape device directly without extra third-party software integration.
E) MySQL Enterprise Backup does not back up system data so that it is much faster.

5. Which two deployment architectures could you use for scaling-out database reads?

A) Implementing a three-node, single-primary InnoDB Cluster.
B) Adding a memcached-tier for caching data and objects in RAM to reduce the number of times an external data source must be read.
C) Edit the configuration file and increase the value for parallel_read_workers and reboot the server
D) Altering the storage engine for all tables to memory to increase performance.
E) Changing the system setting with memory stickiness to true in order not to swap out mysq1dfrom memory.

Solutions: