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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. What are Security Lists in Oracle Cloud Infrastructure?

A) Security lists are data encryption levels that control who can see the data.
B) They allow administrators access to applications in the cloud and external servers.
C) They are essentially firewall rules that help control traffic between OCI instances.
D) They are user-role designations that assign rights to certain internal users and external users.
E) They contain rules established by HIPAA for securing end-user data.

2. You establish MySQL Enterprise Server on Oracle Cloud Infrastructure connection via Secure Shell (SSH) For accessing a new MySQL Enterprise Edition on an Oracle Cloud Infrastructure (OCI) Instance you " Add SSH key " information during the OCI instance setup. You want to use Putty from your Windows Client to install MySQL.
What are the correct steps to accomplish this?

A) Convert the private key to ppk format first and use the new private key for authentication.
B) Open Port 22 on your OCI Instance and convert the private key to ppk format. This new private key can be used for authentication.
C) Use the provided private key for authentication.
D) Open Port 22 on your OCI Instance and configure Putty with the ssh private key.

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

A) Edit the configuration file and increase the value for parallel_read_workers and reboot the server
B) Altering the storage engine for all tables to memory to increase performance.
C) Changing the system setting with memory stickiness to true in order not to swap out mysq1dfrom memory.
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) Implementing a three-node, single-primary InnoDB Cluster.

4. Which two are advantages of using Document Store in MySQL?

A) MySQL provides a NoSQL API to access the document store
B) MySQL can store XML as a schema-less database
C) MySQL provides a native data type to store JSON data as a document
D) MySQL is a document database allowing PDF and Word documents
E) MySQL provides a native data type to index PDF documents

5. Which three options are valid reasons for using a primary key in a table?

A) to make it easier to change the PRIMARY KEY value
B) maintaining a history of row insertions or updates
C) automatic storage of data in a sorted order
D) exporting data faster with mysqldump
E) preventing duplicate keys
F) increasing performance when using select statements

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