Oracle 1Z1-921 : MySQL 2021 Implementation Essentials

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Oracle 1Z1-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. You establish MySQL Enterprise Server on Oracle Cloud Infrastructure connection via Secure Shell (SSH).
When accessing a new MySQL Enterprise Edition Oracle Cloud Infrastructure (OCI) instance, you want to use MySQL Enterprise Workbench for SQL and remote management.
What are two ways to successfully configure Workbench based on the MySQL access credentials?

A) Open the MySQL OCI instance access port 3306. For the MySQL connection, you use this port, and, in addition, you configure the remote management based on SSH based on the provided key.
B) Convert the private key to ppk format first. Based on TCP/IP over SSH and based on the created private key, opc-user, and MySQL access credentials, you can access the MySQL CS instance.
C) Configure the MySQL Router first and based on those settings, you access your MySQL CS instance.
D) Configure TCP/IP over SSH and based on the created private key, opc-User, and MySQL access credentials, you can access the MySQL OCI instance.

2. What is true about MySQL Enterprise Transparent Data Encryption (TDE)?

A) Data is encrypted automatically, in real time, after it is written to storage.
B) Encryption key is stored in a centralized key memory location
C) Enables data-at-rest encryption by encrypting the physical files of the database.
D) Tablespace keys are managed manually behind the scenes.

3. What are the two main components required to set up persistent storage for MySQL on Kubernetes?
Response:

A) Pod and ReplicaSet
B) PVC (Persistent Volume Claim) and PV (Persistent Volume)
C) Secret and Deployment
D) PVC (Persistent Volume Claim) and ConfigMap

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) 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.
B) mysqlbackup from MySQL Enterprise Backup allows logical backup with concurrency built in to get faster backup speed and restoration speed.
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 does not back up system data so that it is much faster.
E) 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.

5. Which three statements are true about MySQL Enterprise Backup?

A) It performs logical backups.
B) It cannot back up encrypted tablespaces.
C) It enables you to take non-locking backups.
D) It provides the ability to create incremental backups.
E) It performs hot or warm backups.

Solutions: