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Oracle MySQL 2021 Implementation Essentials Sample Questions:

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

A) You cannot insert a single line, you have to replace the entire document with a new document.
B) The path specified must be an array position past the end of an array using the JSON_POSITION statement.
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.

2. By using the asynchronous MySQL Replication architecture, data can be replicated to slaves. Identify three use cases of MySQL Replication.

A) You can create a slave server for reporting applications, which get only read access to the slave servers. It off-loads the master server. Additional servers allow different database server configuration.
B) It allows backup to be done on the slave without impacting the master.
C) It provides multi-master access where the application can write and read data across the database servers.
D) MySQL Enterprise Backup will back up from Slave automatically.
E) MySQL Replication Connector/J (ReplicationDriver) is provided to allow read capability on slave and write capability on master.

3. Your newly-created Oracle Cloud Infrastructure instance is not available for login in. Which is a valid reason for this issue?

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

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

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

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

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

Solutions: