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Oracle 1Z1-921 Exam Syllabus Topics:

Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. 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 opc user can be used to access MySQL only with the created SSH-Key.
C) You forgot to create the correct SSL/TLC certificate during the setup process.
D) You forgot to enable port 3306.
E) The OCI instance is still in the "creation" process.

2. What is Kubernetes in the context of MySQL?
Response:

A) A database management tool for MySQL.
B) A cloud service provided by Oracle for MySQL databases.
C) An open-source container orchestration platform.
D) A database engine for MySQL.

3. Which three are recommended configurations for installing and running MySQL InnoDB Cluster?

A) The number of machines per group must be 3, 5, 7 or 9.
B) Networks must be in separate regions.
C) Groups must be in even numbers; 2, 4, 6, 8.
D) Use Network-attached storage (NAS) for the data files.
E) smaller VM,s work best - with a maximum of eight vCPU,s and 16GB of RAM
F) use SSD,s for data and replication logs
G) isolated machine resources

4. Which is true about inserting an additional line in a single document stored in MySQL document store?

A) The path specified must be an array position past the end of an array using the JSON_POSITION statement.
B) You cannot insert a single line, you have to replace the entire document with a new document.
C) You specify the new element,s position in the JSON_ARRAY_INSERT statement.
D) Any new lines can only be inserted at the end of the document.

5. The user 'fwuser'@'localhost% was registered with the MySQL Enterprise Firewall and was granted privileges for the SAKILA database. You executed the commands:

You want to clear the account whitelist for the * fwuser" @* localhost* user. Which statement should you run to accomplish this?

A)

B)

C)

Solutions: