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Oracle MySQL 2021 Implementation Essentials Sample Questions:
1. 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) Pod and ReplicaSet
C) PVC (Persistent Volume Claim) and ConfigMap
D) Secret and Deployment
2. Which three are recommended configurations for installing and running MySQL InnoDB Cluster?
A) use SSD,s for data and replication logs
B) Groups must be in even numbers; 2, 4, 6, 8.
C) isolated machine resources
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) The number of machines per group must be 3, 5, 7 or 9.
G) Networks must be in separate regions.
3. Which statement will display the status of the partitioning plug-in?
A) SHOW PLUGINS WHERE Name= 'partition';
B) SELECT PLUGIN_NAME, PLUGIN_VERSION, PLUGIN_STATUS FROM INFOMRATION_SCHEMA.PLUGINS WHERE PLUGIN_NAME= 'partition';
C) USE SYS SCHEMA; SHOW PLUGINS STATUS;
D) SHOW STATUS PLUGINS WHERE Name= 'PARTITIONING';
4. 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) Implementing a three-node, single-primary InnoDB Cluster.
C) Altering the storage engine for all tables to memory to increase performance.
D) Adding a memcached-tier for caching data and objects in RAM to reduce the number of times an external data source must be read.
E) Edit the configuration file and increase the value for parallel_read_workers and reboot the server
5. You have a backup image file that is backed up using MySQL Enterprise Backup with the -compress option:
/home/mysq1/backup/full/mybackup/myimage. Img
You are required to perform a database restore to a new machine to provision the database. Which command can provision the new database in the datadir as /home/mysql/data/MEB?
A)
B)
C)
D)
E) 
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: B,D,F | Question # 3 Answer: B | Question # 4 Answer: B,C | Question # 5 Answer: A |






