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Oracle 1Z0-1093-25 - Questions & Answers

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Question 1
Single choice

Which technology within the Exadata Database Service provides intelligent data offloading and processing capabilities directly within the storage tier?

A.

Oracle Data Guard

B.

Exadata Smart Scan

C.

Oracle Active Data Guard

D.

Exadata Smart Flash Cache

Question 2
Single choice

Which statement accurately describes the inherent trade-offs often associated with choosing a NoSQL database over a traditional relational database?

A.

NoSQL databases universally guarantee stronger data consistency than relational databases, but at the expense of increased operational complexity.

B.

NoSQL databases typically sacrifice strict data consistency (ACID) to gain horizontal scalability and higher availability.

C.

NoSQL databases offer superior data integrity and reduced operational overhead compared to relational databases, making them ideal for transactional systems.

D.

NoSQL databases provide simplified querying capabilities using standard SQL, enhancing developer
productivity and reducing the learning curve.

Question 3
Single choice

You are tasked with checking the status of the Exadata Database Service (ExaDB) components using the dcli utility. You need to gather information about the health and status of the database servers and storage cells across the ExaDB infrastructure.

Which dcli command, combined with appropriate commands run across the nodes, will provide the most comprehensive overview?

A.

dcli -g cell_group "list cell attributes name, status" combined with dcli -g dbnodes "srvctl status database -d dbname"

B.

dcli -g cell_group "list cell attributes name, status, metriccurrent"

C.

dcli -g dbnodes "list dbnodes"

D.

dcli -g all "list status"

Question 4
Single choice

When provisioning a Base Database Service (BaseDB) virtual machine (VM) instance in Oracle Cloud Infrastructure (OCI), which of the following actions MUST be performed before launching the DB system?

A.

Configuring the Data Guard association between the VM and a standby database.

B.

Creating a backup policy for the database being provisioned.

C.

Creating a Virtual Cloud Network (VCN) with appropriate subnets and security rules.

D.

Configuring Oracle GoldenGate replication.

Question 5
Single choice

When provisioning an Oracle Cloud Infrastructure (OCI) Base Database Service (BaseDB) on a virtual machine (VM), what is a primary factor that distinguishes it from using a Bare Metal database service?

A.

The database software binaries are always pre-installed.

B.

The ability to choose your own hypervisor for virtualization.

C.

The underlying hardware is dedicated solely to your instance.

D.

The ability to create multiple database homes on a single server.

Question 6
Single choice

What role does the Exadata Storage Server Software play within the Exadata Database Service architecture?

A.

It manages the virtual machines hosting the database instances.

B.

It provides the operating system and management software for the database servers.

C.

It provides intelligent storage capabilities, including data filtering, compression, and encryption.

D.

It acts as a load balancer distributing connections across the database instances.

Question 7
Multiple choice

Which two functionalities can be accomplished using the Performance Hub within Database Management for monitoring?

A.

Execute ADDM (Automatic Database Diagnostic Monitor) analysis on a historical workload.

B.

Directly modify database initialization parameters.

C.

Identify blocking sessions that are impacting database performance.

D.

Upgrade the database to a newer version.

Question 8
Single choice

Oracle NoSQL Database Cloud Service supports operations on data based on keys.

Which of the following best describes how data is primarily accessed and retrieved within this model?

A.

Data is accessed using structured query language (SQL) with joins and complex filtering conditions.

B.

Data is retrieved by traversing relationships between interconnected nodes in a graph structure.

C.

Data is primarily accessed using the unique key associated with the desired data item.

D.

Data is searched based on the content of the values using full-text indexing and complex search queries.

E.

Data is accessed through a predefined schema that dictates how data is organized and queried.

Question 9
Single choice

Oracle NoSQL Database Cloud Service utilizes a key-value data model.

Which of the following statements accurately describes the fundamental structure of data within this model?

A.

Data is organized into tables with predefined schemas, similar to relational databases.

B.

Data is stored as JSON documents with flexible structures, allowing for nested elements.

C.

Each data item is uniquely identified by a key, and the associated value can be any data type or structure.

D.

Relationships between data items are explicitly defined through foreign keys and joins.

E.

Data is structured in a graph format, representing entities as nodes and relationships as edges.

Question 10
Single choice

What is the primary purpose of the AutoML feature within MySQL HeatWave?

A.

To automatically tune the MySQL server parameters for optimal transactional performance.

B.

To automate the process of building, training, and deploying machine learning models directly within

the database.

C.

To automatically generate SQL queries based on natural language input.

D.

To automatically back up and restore the MySQL database to Oracle Cloud Infrastructure Object Storage.

E.

To automatically generate data visualization to present database insights.

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