Passing exam with 1Z0-921 latest training materials
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Updated: Sep 07, 2025
No. of Questions: 78 Questions & Answers with Testing Engine
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Oracle MySQL 2021 Implementation Essentials Sample Questions:
1. Which three prerequisites are needed for creating an Oracle Linux VM instance in the Oracle Cloud Infrastructure?
A) ssh key pair
B) Object Storage
C) bare metal Oracle Linux shape
D) existing VCN
E) subnet configured on a Virtual Cloud Network (VCN)
F) Custom Image
2. Which three are requirements for MySQL Group Replication (GR)?
A) The minimum number of required nodes for achieving a consensus is two.
B) Data to be replicated must be stored in the InnoDB transactional storage engine.
C) The binary log format must be set to mixed.
D) GR only works with MySQL versions 8.0.12 or higher.
E) The use of global transaction identifiers is required.
F) Primary keys are required on every replicated table.
3. After installing MySQL 8.0, you initialize the data directory with the --initialize command. Which two are places where you can find the root password?
A) The root password inserted in the error log set by the --log-error=[file_name] variable
B) The root password displayed on the screen via a [warning] message.
C) As root, execute the show password command by using the SHA-256 password encryption plug-in.
D) The root_pw variable stored in the mysq1.install table.
E) The root password is not given and is blank. You must manually set the root password.
4. Which three statements describe MySQL Enterprise Backup?
A) MySQL Enterprise Backup can be used to send backups to Oracle Cloud Infrastructure Storage Service.
B) MySQL Enterprise Backup can be used to import/export data from on-premises MySQL installations.
C) MySQL Enterprise Backup provides the point-in-time recovery functionality.
D) MySQL Enterprise Backup offers backup based on Oracle RMAN with optimized row locking.
E) MySQL Enterprise Backup is an optimized backup based on mysqldump with optimized row locking.
5. Your newly-created Oracle Cloud Infrastructure instance is not available for login in. Which is a valid reason for this issue?
A) Only root is allowed to access from non-localhost.
B) The OCI instance is still in the "creation" process.
C) You forgot to enable port 3306.
D) The opc user can be used to access MySQL only with the created SSH-Key.
E) You forgot to create the correct SSL/TLC certificate during the setup process.
Solutions:
| Question # 1 Answer: B,C,F | Question # 2 Answer: B,C,F | Question # 3 Answer: C,D | Question # 4 Answer: C,D,E | Question # 5 Answer: C |
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