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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Which three components can MySQL InnoDB Cluster use to Achieve database high availability?

A) MySQL Router to ensure client requests are load balanced and routed to the correct servers.
B) MySQL X Plugin to enable MySQL to use the X Protocol to speed up and monitor data replication.
C) MySQL Online Hot Backup to keep data consistent and always ready to be used.
D) MySQL Shell to create and administer InnoDB Clusters using the built-in AdminAPI.
E) MySQL Servers with Group Replication to replicate data to all members of the cluster.

2. You need to load the MySQL Enterprise Audit plug-in at database startup and prevent the audit plug-in from being removed at run time.
Which two options should you include in the MySQL configuration file?

A) LOAD PLUGIN=AUDIT_LOG
B) audit-log=FORCE_PLUS_PERMANENT
C) audit_log_permanent=ON
D) plugin-load=audit_log.so
E) plugin-audit=ON, ALWAYS

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

A) The OCI instance is still in the "creation" process.
B) You forgot to create the correct SSL/TLC certificate during the setup 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) Only root is allowed to access from non-localhost.

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

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

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

A) Changing the system setting with memory stickiness to true in order not to swap out mysq1dfrom memory.
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) Implementing a three-node, single-primary InnoDB Cluster.

Solutions: